50+ Microservices Jobs in Bangalore (Bengaluru) | Microservices Job openings in Bangalore (Bengaluru)

Role Overview: 

Do you like writing mean and clean Ruby code? We believe in designing, building and maintaining efficient, reusable, and reliable applications on Ruby. Come join our team and help us build amazing things. We’re looking for someone with a passion for programming and for writing beautiful code in a fast-paced environment to deliver world-class software.

Responsibilities

• Write clean, maintainable and efficient code.
• Design robust, scalable and secure features.
• Drive continuous adoption and integration of relevant new technologies into design.
• Ability to work independently on challenging compound problems as well as
• Collaborating with other team members to solve major goals.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Present complex ideas and approaches in simple communicable terms across engineering and management and manage stakeholder relationships.

Requirements

• Minimum 3 years of software development experience.
• Demonstrable knowledge of ROR
• A firm grasp of MVC architecture.
• Passion for writing great, simple, clean, efficient code.
• Good knowledge of relational databases. Working knowledge of Postgres/MySQL database.
• Test-driven development with RSpec, Capybara, Jasmine.
• Penchant to learn new technologies like NodeJS, Golang for relevant solutions.

What We Offer: 

• Opportunity to work on impactful projects in a fast-paced, high-growth environment.
• A collaborative and supportive team culture that encourages learning and innovation.
• Growth opportunities with a focus on enhancing technical and leadership skills.
• Competitive compensation aligned with your experience and contributions.

Role Overview

Zolvit is seeking a Node.js Backend Lead Engineer to lead our engineering efforts in building scalable systems with a microservices architecture. The ideal candidate will have 7+ years of experience in backend development, platformization expertise, and the ability to mentor junior engineers. You will play a key role in driving architectural decisions, ensuring system scalability, and fostering a strong engineering culture. 

Responsibilities

• Design and implement scalable backend systems using Node.js and microservices architecture. 
• Lead the development of platform components to enable efficient code reuse, modularity, and scalability. 
• Collaborate with stakeholders to define system architecture and technical roadmap.
• Design and build solutions using event-driven architecture and middleware such as Kafka. 
• Develop and maintain SQL and NoSQL databases, ensuring optimal performance and scalability. 
• Define and implement high-level and low-level designs, documenting key decisions and ensuring junior engineers understand the architecture. 
• Mentor junior engineers, conduct code reviews, and promote best practices in coding, design, and system architecture. 
• Lead technical discussions, participate in hiring processes, and contribute to building a high-performance engineering team. 
• Implement and maintain CI/CD pipelines to ensure seamless integration and deployment. 
• Leverage AWS services for scalable infrastructure and deployment solutions.

Requirements

• 7+ years of hands-on experience in building scalable backend systems using Node.js.
• Strong understanding of microservices architecture, event-driven systems, and middleware like Kafka. 
• Experience in building platform solutions with a focus on reusability and modularity.
• Proficient in SQL and NoSQL databases with a clear understanding of their tradeoffs.
• Solid knowledge of high-level and low-level system design concepts.
• Proven experience in mentoring engineers, conducting code reviews, and driving engineering excellence. 
• Experience working with CI/CD pipelines and modern DevOps practices.
• Proficient in leveraging AWS services for building scalable infrastructure.
• Strong problem-solving skills, effective communication, and ability to thrive in a fast-paced environment. 

What We Offer

• Opportunity to lead technical initiatives and shape the platform architecture.
• Work on cutting-edge technologies with a team that values innovation and engineering excellence. 
• A collaborative environment where mentorship and growth are highly encouraged.
• Competitive compensation and growth opportunities aligned with your contributions.

Experience: 10 to 20 years

Location: Bangalore

We are seeking a passionate and skilled Java Technical Lead with 8 to 12 years of experience in product

development and team leadership. As a key member of our global software development team, you

will be responsible not only for solving complex technical problems but also for leading and mentoring

engineers, driving the design of scalable systems, and ensuring high quality delivery across projects.

Experience in leading development teams, managing end

to end project delivery, and working directly

with clients to translate business problems into technical solutions is essential.

Key Responsibilities:

Lead the design, development, testing, a nd deployment of scalable Java applications.

Break down client/business problems and define clear technical tasks for the team.

Provide technical guidance and mentorship to team members throughout the development

lifecycle.

Collaborate with cross functiona l teams to deliver new features and enhancements.

Participate in and lead code reviews, ensuring adherence to best practices and maintaining

code quality.

Own and drive the architecture and design discussions for new modules and systems.

Ensure timely deli very of project milestones and proactively resolve technical blockers.

Evaluate and integrate new tools and technologies to improve efficiency and product quality.

Serve as the primary technical point of contact for your team and stakeholders.

Required Ski

lls:

8+ years of hands on experience in Java development.

Proven experience in building products or applications from scratch (not just

maintenance/support).

Strong object oriented programming skills and hands on experience with Spring, Spring Boot,

Hibernate, etc.

Solid understanding of system architecture, design patterns, and microservices architecture.

Experience in leading small to mid sized teams and managing technical delivery.

Proficiency in data structures, algorithms, and performance optimiz ation.

Strong communication and stakeholder management skills.

Experience working with RESTful APIs and cloud platforms such as AWS, Azure, or GCP is a

plus.

Good understanding of SQL and NoSQL databases.

Strong debugging, troubleshooting, and problemStrong debugging, troubleshooting, and problem--resoresolution skills.lution skills.

Desired Attributes:

Desired Attributes: Excellent problemExcellent problem--solving and decisionsolving and decision--making skills.making skills. High levels of ownership, accountability, and selfHigh levels of ownership, accountability, and self--drive.drive. Strong team leadership and collaboration abilities.Strong team leadership and collaboration abilities. Proactive attitude and commitment to engineering excellenProactive attitude and commitment to engineering excellence.ce. Recognitions or awards in previous roles are a big plus.Recognitions or awards in previous roles are a big plus. Passion for continuous learning, coaching others, and improving team capabilities.Passion for continuous learning, coaching others, and improving team capabilities.

About Wissen Technology:

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unpa

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain ralleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with bestCanada, with best--inin--class infrastructclass infrastructure and development facilities. Wissen has successfully delivered ure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional

Wissen Technology provides exceptional value in mission critical projects for its clients, through value in mission critical projects for its clients, through thought leadership, ownership, and assured onthought leadership, ownership, and assured on--time deliveries that are always ‘first time right’.time deliveries that are always ‘first time right’.

Our team consists of 1500+ highly skilled professionals, with leadership and senior management

Our team consists of 1500+ highly skilled professionals, with leadership and senior management eexecutives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and xecutives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development,

Wissen Technology offers an array of services including Application Development, Artificial Intelligence Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a

We have been certified as a Great Place to WorkGreat Place to Work®® for two consecutive years (2020for two consecutive years (2020--2022) and voted 2022) and voted as the Top 20 AI/ML vendor as the Top 20 AI/ML vendor by CIO Insider.by CIO Insider.

Role : Java Developer (2-7 years)

Location : Bangalore

Key responsibilities

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Spring boot, Java 8 and above. 
• 2-7 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

Job Description: Java AWS Developer

Location: Bengaluru, Karnataka

Experience: 4-7 Years

Type: Full-Time

Key Responsibilities

• Design, develop, and maintain robust, scalable Java-based applications.
• Architect, implement, and manage cloud infrastructure and services on AWS.
• Build and optimize RESTful APIs, microservices, and event-driven architectures.
• Ensure seamless integration of applications with AWS services like EC2, S3, Lambda, RDS, DynamoDB, and others.
• Write clean, efficient, and testable code following best practices and coding standards.
• Collaborate with cross-functional teams (product managers, QA, DevOps) to deliver high-quality solutions.
• Troubleshoot and resolve performance, scalability, and security issues in applications and cloud infrastructure.
• Implement CI/CD pipelines using tools like Jenkins, AWS CodePipeline, or similar.
• Stay updated with emerging trends in Java and AWS technologies to drive continuous improvement.

Required Skills and Qualifications

• Experience: 4-7 years in software development with a strong focus on Java and AWS.
• Java Expertise:
• Proficient in Core Java, J2EE, Spring Framework (Spring Boot, Spring MVC, Spring Data).
• Experience with Hibernate/JPA for ORM and database interactions.
• Strong understanding of RESTful API design and microservices architecture.
• Familiarity with build tools (Maven/Gradle) and unit testing frameworks (JUnit, Mockito).
• AWS Expertise:
• Hands-on experience with AWS services such as EC2, S3, Lambda, RDS, DynamoDB, SNS, SQS, and API Gateway.
• Proficiency in designing and deploying serverless applications and event-driven architectures.
• Knowledge of AWS security best practices (IAM, KMS, VPC, Security Groups).
• Experience with infrastructure-as-code tools like AWS CloudFormation or Terraform.
• Database Skills: Experience with SQL (MySQL, PostgreSQL) and NoSQL databases (DynamoDB, MongoDB).
• DevOps Knowledge: Familiarity with CI/CD pipelines, Docker, Kubernetes, and monitoring tools (CloudWatch, Prometheus).

Responsibilities

• Provide technology contributions in
• Working in an agile development environment
• Translating business requirements into low-level application design
• Application code development through a collaborative approach
• Doing Full-scale unit testing
• Applying test-driven and behaviour-driven development (TDD/BDD) QA concepts
• Applying continuous integration and continuous deployment (CI/CD) concepts

Soft Skills

• Should be able to contribute as an individual contributor
• Should be able to execute his/her responsibility independently
• Excellent problem-solving skills and attention to detail.
• Focus on self-planning activities
• Firm with communication skills

Mandatory Skills

• Java, Spring Boot, Python and relational / non-relational databases
• Container orchestration - Kubernetes, Docker
• Development experience in Linux environment
• Modern SDLC tooling (Maven, Git)
• Micro services design-oriented application development and deploying the same using Container orchestration in the cloud environment
• Understanding CI/CD pipeline & related system development environment

Nice-to-have Skills

• Front-end technologies (JavaScript, HTML5, CSS, Angular)

Job Title : Senior Software Engineer – Backend

Experience Required : 6 to 12 Years

Location : Bengaluru (Hybrid – 3 Days Work From Office)

Number of Openings : 2

Work Hours : 11:00 AM – 8:00 PM IST

Notice Period : 30 Days Preferred

Work Location : SmartWorks The Cube, Karle Town SEZ, Building No. 5, Nagavara, Bangalore – 560045

Note : Face-to-face interview in Bangalore is mandatory during the second round.

Role Overview :

We are looking for an experienced Senior Backend Developer to join our growing team. This is a hands-on role focused on building cloud-based, scalable applications in the mortgage finance domain.

Key Responsibilities :

• Design, develop, and maintain backend components for cloud-based web applications.
• Contribute to architectural decisions involving microservices and distributed systems.
• Work extensively with Node.js and RESTful APIs.
• Implement scalable solutions using AWS services (e.g., Lambda, SQS, SNS, RDS).
• Utilize both relational and NoSQL databases effectively.
• Collaborate with cross-functional teams to deliver robust and maintainable code.
• Participate in agile development practices and deliver rapid iterations based on feedback.
• Take ownership of system performance, scalability, and reliability.

Core Requirements :

• 5+ Years of total experience in backend development.
• Minimum 3 Years of experience in building scalable microservices or delivering large-scale products.
• Strong expertise in Node.js and REST APIs.
• Solid experience with RDBMS, SQL, and data modeling.
• Good understanding of distributed systems, scalability, and availability.
• Familiarity with AWS infrastructure and services.
• Development experience in Python and/or Java is a plus.

Preferred Skills :

• Experience with frontend frameworks like React.js or AngularJS.
• Working knowledge of Docker and containerized applications.

Interview Process :

1. Round 1 : Online technical assessment (1 hour)
2. Round 2 : Virtual technical interview
3. Round 3 : In-person interview at the Bangalore office (2 hours – mandatory)

Job Description: 

• Experience in Core Java, Spring Boot. 

• Experience in microservices. 

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns. 

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications. 

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2 

• Good knowledge of multi-threading 

• Basic working knowledge of Unix/Linux 

• Excellent problem solving and coding skills in Java 

• Strong interpersonal, communication and analytical skills. 

• Should be able to express their design ideas and thoughts. 

Role: Sr. Java Developer

Experience: 6+ Years

Location: Bangalore (Whitefield)

Work Mode: Hybrid (2-3 days WFO)

Shift Timing: Regular Morning Shift

About the Role:

We are looking for a seasoned Java Developer with 6+ years of experience to join our growing engineering team. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, and cloud-based deployment using AWS or DevOps tools. This is a hybrid role based out of our Whitefield, Bangalore location.

Key Responsibilities:

• Participate in agile development processes and scrum ceremonies.
• Translate business requirements into scalable and maintainable technical solutions.
• Design and develop applications using Java, Spring Boot, and Microservices architecture.
• Ensure robust and reliable code through full-scale unit testing and TDD/BDD practices.
• Contribute to CI/CD pipeline setup and cloud deployments.
• Work independently and as an individual contributor on complex features.
• Troubleshoot production issues and optimize application performance.

Mandatory Skills:

• Strong Core Java and Spring Boot expertise.
• Proficiency in AWS or DevOps (Docker & Kubernetes).
• Experience with relational and/or non-relational databases (SQL, NoSQL).
• Sound understanding of Microservices architecture and RESTful APIs.
• Containerization experience using Docker and orchestration via Kubernetes.
• Familiarity with Linux-based development environments.
• Exposure to modern SDLC tools – Maven, Git, Jenkins, etc.
• Good understanding of CI/CD pipelines and cloud-based deployment.

Soft Skills:

• Self-driven, proactive, and an individual contributor.
• Strong problem-solving and analytical skills.
• Excellent communication and interpersonal abilities.
• Able to plan, prioritize, and manage tasks independently.

Nice-to-Have Skills:

• Exposure to frontend technologies like Angular, JavaScript, HTML5, and CSS.

JOB DESCRIPTION

Experience: 5+ years

Location: Bangalore

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 5+ years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Job Description:

We are seeking a skilled and experienced Java Developer with expertise in Spring Boot to join our development team. The ideal candidate should have strong backend development experience, with a focus on building scalable and high-performing applications.

Key Responsibilities:

• Design, develop, and maintain backend services using Java and Spring Boot.
• Write clean, efficient, and reusable code following best practices.
• Work closely with front-end developers, architects, and product owners to deliver high-quality solutions.
• Participate in code reviews and provide constructive feedback.
• Optimize application performance and ensure high availability.
• Debug and resolve technical issues in development and production environments.
• Contribute to system design and architecture decisions.
• 
  

Required Skills:

• Strong hands-on experience with Java (8 or above) and Spring Boot and Hibernate
• Good understanding of RESTful APIs and microservices architecture.
• Experience with Angular8+
• Experience with databases such as MySQL, PostgreSQL, or Oracle.
• Familiarity with tools like Maven/Gradle, Git, and CI/CD pipelines.
• Knowledge of cloud platforms (AWS, Azure, or GCP) is a plus.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.

Preferred Qualifications:

• Experience with containerization tools like Docker and orchestration with Kubernetes.
• Exposure to Agile development methodologies.

Strong written/verbal communication skills

·       Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object-Oriented Concepts and Data Structures

·       Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Job Title: Java Backend Developer 

Location: Bangalore  

Experience: 3–6 years 

Mode: Full-time 

✨ Job Summary 

We are looking for a skilled Java Backend Developer to join our engineering team. You will be responsible for building the backend services and APIs that power our web and mobile applications. 

✅ Responsibilities: 

• Design and develop RESTful APIs using Java and Spring Boot 
• Write reusable, testable, and efficient backend code 
• Integrate databases, caching layers, and data storage solutions 
• Implement security and data protection best practices 
• Monitor and optimize application performance 
• Work with DevOps tools to manage builds and deployments 
• Participate in code reviews and agile ceremonies 

🧠 Required Skills: 

• Strong programming experience in Java 8+ 
• Proficient in Spring Boot, Hibernate, JPA 
• Hands-on with REST APIs, JSON, Postman 
• Solid understanding of SQL and relational databases (MySQL/PostgreSQL) 
• Experience with Maven/Gradle, Git, Jenkins 
• Familiarity with Docker, Kubernetes, or AWS is a plus 
• Understanding of OOP, design patterns, and microservice architecture 

🎓 Qualifications: 

• Bachelor's degree in Computer Science, Engineering, or a related field 
• 3+ years of backend development experience 

💼 Good to Have: 

• Knowledge of NoSQL (MongoDB, Redis) 
• Experience with CI/CD pipelines 
• Familiarity with testing tools like JUnit or Mockito 

• Experience in Core Java 5.0 and above, CXF, Spring. 
• Extensive experience in developing enterprise-scale n-tier applications for financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns. 
• Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications. 
• Good Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc 
• Good development experience with RDBMS, preferably Sybase database. 
• Good knowledge of multi-threading and high-volume server-side development. 
• Experience in sales and trading platforms in investment banking/capital markets. 
• Basic working knowledge of Unix/Linux. 
• Experience into High /Low level designing. 
• Excellent problem solving and coding skills in Java. 
• Strong interpersonal, communication and analytical skills. 
• Should have the ability to express their design ideas and thoughts. 

JOB DESCRIPTION

Experience: 3-5 years

Location: Bangalore

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 3-5 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

As a Dotnet Fullstack Engineer you will….

• Design, implement and test new features (frontend and backend), while maintaining and improving existing product line, with main focus on performance, scalability and usability aspects.
• Building application using of Microsoft Technologies stack (ASP.Net, .Net Core, WEB API)
• Hands on experience in leading micro front end applications and enterprise scale projects involving integrations to different touch points
• Apply coding/implementation best practices to produce elegant, high quality and reusable code.
• Collaborate with other developers and UX designers to improve look and usability.
• Implement Proof of Concept to validate concepts or new technology/features prior to product implementation.
• Implement and follow security best practices for web applications.
• Monitor and evaluate new technologies and their evolution in order to keep our products/technologies up-to-date and our team continuous improvement.
• Write good quality design and specification documents, in Confluence.
• Regularly archive source code and assets into source code repository. Perform code review of other team members and provide feedback/guidance.

As a Dotnet Fullstack Engineer You will need….

• Minimum of 4 years of Microsoft Technologies stack (ASP.Net, MVC, WEB API) having web development and UI development experience (frontend and backend).
• Proficient understanding of Single Page Application architecture and frameworks
• Must have exposure to any Relational DB (MSSQL, MYSQL).
• Strong understanding of data structure, SOLID Principles and problem solving skills.
• Strong understanding of Design Patterns for Real world problems.
• Conceptual knowledge of multi-threaded programming and performance monitoring tools.
• Experience in working on trending technologies, .Net Core, Node JS, NoSQL Databases.
• Experience in Micro-services architecture & Micro front end applications
• Experience with Unit Testing framework.
• Proficient understanding of Web UI test methodologies, frameworks and tools, such as BDD, Selenium.
• Proficient understanding of web markup, protocol and client-side scripting technologies in general, including HTML5, CSS3, JavaScript, AJAX, JSON, JQuery, REST API, Angular.
• Must possess strong attention to details, high aesthetical taste, and ability to apply user-centric design approach to produce a delightful and highly usable UI/UX.
• Additional Knowledge/experience Is a Plus
• Experience with automated deployment and associated technologies (helm/yaml/ansible/docker)
• Familiarity with code versioning tools
• Experience in Security Domain or Security Tools for Application Validation/Scanning will be a plus.
• Ability to effectively communicate design, specification, test and implementation details.
• Occasional flexibility to work outside of normal business hours to collaborate with remote teams.
• Proven tracks on the ability to work independently on assigned tasks.
• Excellent analytical and multitasking skills and ability to perform well in a fast-paced environment.

Key Skills:

.NET Core, .NET MVC, .NET, Windows services, WebSocket's, Client server, REST API, Angular JS, Angular 8+, dockers, micro services

Job Title: Backend Developer

Location: In-Office, Bangalore, Karnataka, India

Job Summary:

We are seeking a highly skilled and experienced Backend Developer with a minimum of 1 year of experience in product building to join our dynamic and innovative team. In this role, you will be responsible for designing, developing, and maintaining robust backend systems that drive our applications. You will collaborate with cross-functional teams to ensure seamless integration between frontend and backend components, and your expertise will be critical in architecting scalable, secure, and high-performance backend solutions.

Annual Compensation: 6-10 LPA

Responsibilities:

• Design, develop, and maintain scalable and efficient backend systems and APIs using NodeJS.
• Architect and implement complex backend solutions, ensuring high availability and performance.
• Collaborate with product managers, frontend developers, and other stakeholders to deliver comprehensive end-to-end solutions.
• Design and optimize data storage solutions using relational databases (e.g., MySQL) and NoSQL databases (e.g., MongoDB, Redis).
• Promoting a culture of collaboration, knowledge sharing, and continuous improvement.
• Implement and enforce best practices for code quality, security, and performance optimization.
• Develop and maintain CI/CD pipelines to automate build, test, and deployment processes.
• Ensure comprehensive test coverage, including unit testing, and implement various testing methodologies and tools to validate application functionality.
• Utilize cloud services (e.g., AWS, Azure, GCP) for infrastructure deployment, management, and optimization.
• Conduct system design reviews and contribute to architectural discussions.
• Stay updated with industry trends and emerging technologies to drive innovation within the team.
• Implement secure authentication and authorization mechanisms and ensure data encryption for sensitive information.
• Design and develop event-driven applications utilizing serverless computing principles to enhance scalability and efficiency.

Requirements:

• Minimum of 1 year of proven experience as a Backend Developer, with a strong portfolio of product-building projects.
• Extensive experience with JavaScript backend frameworks (e.g., Express, Socket) and a deep understanding of their ecosystems.
• Strong expertise in SQL and NoSQL databases (MySQL and MongoDB) with a focus on data modeling and scalability.
• Practical experience with Redis and caching mechanisms to enhance application performance.
• Proficient in RESTful API design and development, with a strong understanding of API security best practices.
• In-depth knowledge of asynchronous programming and event-driven architecture.
• Familiarity with the entire web stack, including protocols, web server optimization techniques, and performance tuning.
• Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes) is highly desirable.
• Proven experience working with cloud technologies (AWS/GCP/Azure) and understanding of cloud architecture principles.
• Strong understanding of fundamental design principles behind scalable applications and microservices architecture.
• Excellent problem-solving, analytical, and communication skills.
• Ability to work collaboratively in a fast-paced, agile environment and lead projects to successful completion.

 Strong written/verbal communication skills

·        Minimum 2-15 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)

·        Good knowledge of the JVM with an understanding of performance and memory optimization.

·        Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·        Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.

·        Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·        Expert level understanding of Object-Oriented Concepts and Data Structures

·        Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Please share your updated CV with the the below details:

Total Exp:

CTC:

Expectation:

Current Location:

Preferred Location:

Available for F2F Interview - Y/N :

Notice Period:

Regards,

Rashmi

Job Summary:

We are seeking a skilled and experienced Java Developer with hands-on expertise in AWS, Spring Boot, and Microservices architecture. As a core member of our backend development team, you will design and build scalable cloud-native applications that support high-performance systems and business logic.

Key Responsibilities:

• Design, develop, and maintain backend services using Java (Spring Boot).
• Build and deploy microservices-based architectures hosted on AWS.
• Collaborate with DevOps and architecture teams to ensure scalable and secure cloud solutions.
• Write clean, efficient, and well-documented code.
• Optimize application performance and troubleshoot production issues.
• Participate in code reviews, technical discussions, and architecture planning.

Must-Have Skills:

• 4.5+ years of experience in Java development.
• Strong proficiency in Spring Boot and RESTful APIs.
• Proven hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.).
• Solid understanding of microservices architecture, CI/CD, and containerization tools.
• Experience with version control (Git), and deployment tools.

We are seeking a skilled and results-driven Dotnet Fullstack Engineer to join our development team. In this role, you will be responsible for designing, building, and maintaining high-performance web applications using the Microsoft technology stack. The ideal candidate will have a strong background in fullstack development, a keen eye for clean architecture, and a passion for delivering high-quality, scalable software solutions.

Key Responsibilities:

• Design, implement, and test new features across both frontend and backend systems.
• Enhance and maintain existing applications with a focus on performance, scalability, and usability.
• Develop solutions using Microsoft technologies, including ASP.NET, .NET Core, and Web API.
• Lead the development and integration of micro front-end architectures and enterprise-level systems.
• Write clean, reusable, and well-documented code following industry best practices.
• Collaborate with cross-functional teams including UX designers, QA engineers, and other developers.
• Create Proof of Concepts (PoCs) to validate new technologies and features.
• Follow secure coding practices and ensure application security best practices are upheld.
• Stay updated with the latest development trends and technologies.
• Document technical designs and architecture decisions using tools like Confluence.
• Conduct code reviews, provide feedback, and support knowledge sharing within the team.
• Maintain proper version control and follow source code management practices.

Required Qualifications:

• Minimum of 4 years of experience in fullstack development using Microsoft technologies (ASP.NET, MVC, Web API).
• Strong knowledge of Single Page Application (SPA) architecture and frameworks.
• Proficient with relational databases such as MSSQL or MySQL.
• Solid understanding of data structures, design patterns, and SOLID principles.
• Experience with multi-threaded programming and performance monitoring tools.
• Hands-on experience with .NET Core, Node.js, and NoSQL databases.
• Experience developing with Microservices architecture and Micro front-end patterns.
• Familiarity with unit testing and automation frameworks.
• Proficient in frontend development with technologies like HTML5, CSS3, JavaScript, AJAX, JSON, jQuery, REST APIs, and Angular (version 8+).
• Understanding of web UI test tools and methodologies such as BDD and Selenium.
• Strong attention to detail and a user-centric design mindset.

Preferred Skills:

• Experience with containerization and deployment tools (Docker, YAML, Helm, Ansible).
• Familiarity with version control systems (e.g., Git).
• Exposure to application security tools and validation techniques.
• Excellent communication skills for conveying design and implementation details.
• Ability to work independently, manage priorities, and thrive in a fast-paced environment.
• Flexibility to collaborate with distributed teams across different time zones.

Key Technologies & Tools:

.NET Core, .NET MVC, ASP.NET, Web API, Windows Services, WebSockets, REST APIs, AngularJS, Angular 8+, Docker, Microservices, SQL/NoSQL Databases, Selenium, Git, Confluence.

Job Title : Python Data Engineer

Experience : 4+ Years

Location : Bangalore / Hyderabad (On-site)

Job Summary :

We are seeking a skilled Python Data Engineer to work on cloud-native data platforms and backend services.

The role involves building scalable APIs, working with diverse data systems, and deploying containerized services using modern cloud infrastructure.

Mandatory Skills : Python, AWS, RESTful APIs, Microservices, SQL/PostgreSQL/NoSQL, Docker, Kubernetes, CI/CD (Jenkins/GitLab CI/AWS CodePipeline)

Key Responsibilities :

• Design, develop, and maintain backend systems using Python.
• Build and manage RESTful APIs and microservices architectures.
• Work extensively with AWS cloud services for deployment and data storage.
• Implement and manage SQL, PostgreSQL, and NoSQL databases.
• Containerize applications using Docker and orchestrate with Kubernetes.
• Set up and maintain CI/CD pipelines using Jenkins, GitLab CI, or AWS CodePipeline.
• Collaborate with teams to ensure scalable and reliable software delivery.
• Troubleshoot and optimize application performance.

Must-Have Skills :

• 4+ years of hands-on experience in Python backend development.
• Strong experience with AWS cloud infrastructure.
• Proficiency in building microservices and APIs.
• Good knowledge of relational and NoSQL databases.
• Experience with Docker and Kubernetes.
• Familiarity with CI/CD tools and DevOps processes.
• Strong problem-solving and collaboration skills.

Job Description:

We are looking for a skilled and enthusiastic Java Developer to join our development team. The ideal candidate should have solid experience in Java and should also be familiar with Kotlin for backend development. You’ll be responsible for designing, developing, and maintaining high-performance, scalable applications.

Key Responsibilities:

• Design, develop, and maintain efficient, reusable, and reliable Java code.
• Work on Kotlin-based backend applications as per project requirements.
• Develop RESTful APIs and backend services.
• Ensure the best possible performance, quality, and responsiveness of applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Participate in code reviews and contribute to team knowledge sharing.

Solution Architecture /Pre-Sales / System Integration + Network Architecture + Cloud + LLD deisgn

• Solution Architecture: Design end-to-end scalable and secure systems.
• Stakeholder Collaboration: Gather requirements and translate business needs into technical solutions.
• Technology Evaluation: Recommend tools, frameworks, and platforms.
• Pre-sales & RFPs: Assist in technical presentations, client interactions, and proposal drafting.
• Technical Documentation: Create Low-Level Designs (LLDs) and maintain solution blueprints.

Required Skills:

• Telecom Messaging & Network Architecture (3GPP, 5G SMSF, Diameter, SIP).
• Cloud Platforms (AWS, Azure, GCP), microservices, DevOps, APIs.
• Frontend & Backend Technologies for full-stack solution design.
• Strong Communication—Clear documentation and presentations for stakeholders.

This role demands expertise in telecom messaging technologies, solution architecture, and stakeholder management, with exposure to large-scale, complex projects.

Role overview

• Overall 5 to 7 years of experience. Node.js experience is must.
• At least 3+ years of experience or couple of large-scale products delivered on microservices.
• Strong design skills on microservices and AWS platform infrastructure.
• Excellent programming skill in Python, Node.js and Java.
• Hands on development in rest API’s.
• Good understanding of nuances of distributed systems, scalability, and availability.

What would you do here

• To Work as a Backend Developer in developing Cloud Web Applications
• To be part of the team working on various types of web applications related to Mortgage Finance.
• Experience in solving a real-world problem of Implementing, Designing and helping develop a new Enterprise-class Product from ground-up.
• You have expertise in the AWS Cloud Infrastructure and Micro-services architecture around the AWS Service stack like Lambdas, SQS, SNS, MySQL Databases along with Dockers and containerized solutions/applications.
• Experienced in Relational and No-SQL databases and scalable design.
• Experience in solving challenging problems by developing elegant, maintainable code.
• Delivered rapid iterations of software based on user feedback and metrics.
• Help the team make key decisions on our product and technology direction.
• You actively contribute to the adoption of frameworks, standards, and new technologies.

C++ coding and debugging to strengthen and optimize systems.

○ Design and architecture (HLD/LLD) to ensure scalable and robust solutions.

● 10–15 years in the tech industry, with 2–4 years in technical leadership or managerial roles.

● Technical Expertise: Expertise in C++ development, enterprise architecture, andscalable system design, and proficiency in performance optimization, scalability,software architecture, and networking principles.

Extensive experience managing the full development lifecycle of large-scale softwareproducts, from concept to deployment.

● Strong knowledge of STL containers, multi-threading concepts, and algorithms.

Solid understanding of memory management and efficient resource utilization.

● Microservices Architecture Expertise: Experience in designing and implementing

scalable, reliable microservices.

● Strong Communication & Decision-Making Skills: Ability to clearly articulate

trade-offs, make informed decisions, and ensure alignment across stakeholders.

● Commitment to Creating and fostering Engineering Excellence: Deep

understanding of best practices, including code quality, testability, security, and

release management, and passion for fostering a strong engineering culture and

continuously improving developer workflows and tools.

● Self-Driven and Motivated: Ability to operate independently while driving impactful

results.

Job Description below :

Role: Java Developer 

JOB REQUIREMENT 

Location: Bangalore 

Skills - 

• DS Algorithms
• Oops Concept
• Java
• Spring

Job Brief-

• Understand product requirements and come up with solution approaches
• Build and enhance large scale domain centric applications
• Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines

Job Title: Java Developer

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.

 Required Skills: • Exp. - 5 to 14 years.

• Experience in Core Java and Spring Boot.

• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.

 • Should have the ability to analyze, design, develop and test complex, low-latency clientfacing applications.

• Good development experience with RDBMS.

 • Good knowledge of multi-threading and high-performance server-side development.

• Basic working knowledge of Unix/Linux.

• Excellent problem solving and coding skills.

• Strong interpersonal, communication and analytical skills.

• Should have the ability to express their design ideas and thoughts.

Java Developer – Job Description

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 5 to 12 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Job Title : Java Backend Developer

Experience : 3 to 6 Years

Locations : Bangalore / Gurgaon (Hybrid – 3 Days Work From Office)

Shift Timings : 11:00 AM – 8:00 PM IST

Notice Period : Immediate to 15 Days Only

Job Description :

We are looking for experienced Java Backend Developers with strong expertise in building scalable microservices-based architectures. The ideal candidate should have hands-on experience with Spring Boot, containerized deployments, and DevOps tools.

✅ Must-Have Skills :

• Java – Strong programming skills in core Java.
• Spring Boot (2.x / 3.x) – Deep understanding of microservices architecture and patterns.
• Microservices – Design and implementation experience.
• Kubernetes – Experience deploying and managing microservices
• Jenkins & Maven – Build and CI/CD pipeline experience
• PostgreSQL – Experience with relational database management

✨ Good-to-Have Skills :

• Git – Source control management
• CI/CD Pipeline Tools – End-to-end pipeline automation
• Cloud & DevOps Knowledge – Experience with cloud-based deployments

Wissen Technology is now hiring for a Java Developer

Location : Bangalore (The candidate must be based in Bangalore, as an in-person interview is a mandatory part of the selection process)

Notice Period: Immediate to Serving Notice Period & Up to 30 Days max

Skills: Hands-on experience in Core Java, Spring Boot, Microservices, Algorithms, Data Structure and SQL

Note: Bachelor's or Master's degree from a top-tier college or university is must.

Key Responsibilities:

• Design, develop, and test low-latency, high-volume client-facing applications.
• Develop and maintain enterprise-scale, n-tier applications for the investment banking/capital markets domain.
• Implement microservices-based solutions using Spring Boot and other modern frameworks.
• Work extensively with Core Java 5.0 and above, Spring Framework, and CXF
• Optimize applications for multi-threading and high-performance server-side development
• Collaborate with cross-functional teams to design and implement scalable, secure, and efficient solutions
• Work with RDBMS (preferably Sybase) to handle large-scale data processing.
• Develop and maintain applications on Unix/Linux environments
• Utilize enterprise application design patterns to build robust and scalable solutions.
• Troubleshoot and resolve complex technical issues while ensuring application stability and performance.

Required Skills & Experience:

• 1 to 6 years of hands-on experience in Java development
• Strong knowledge of microservices architecture and cloud-based deployment.
• Expertise in Spring Framework, Spring Boot, and CXF
• Experience in developing and optimizing applications for high-volume, multi-threaded environments
• Solid understanding of financial domain applications, sales, and trading platforms
• Proficiency in working with relational databases (Sybase preferred)
• Familiarity with Unix/Linux environments and shell scripting.
• Strong analytical, problem-solving, and communication skills.
• Ability to articulate and present design ideas effectively.
• Education: Bachelor's or Master's degree from a top-tier college or university is must.

• Technology: Java/J2EE, Spring, Hibernate, Microservices, React, Angular, HTML, CSS, JavaScript, jQuery, Bootstrap, SQL, Git, JIRA, Jenkins, Build Management (Maven/Gradle), Linux, Windows
• Experience in software development using Java/J2EE,
• Microservices and front-end tools and a strong command of object-oriented principles/programming.
• Knowledge of Node.js, React and Angular a plus and willingness to upgrade the skills
• Experience of development in agile models.
• Working knowledge with design patterns and component driven approach.
• Experience in requirement gathering, analysis and modeling
• Must have worked in continuous integration and continuous delivery.
• Good verbal and written communication skills are required for client interaction.
• Willing to work on frameworks/products around Java/J2EE technology on which company is working.

Responsibilities:

• Develop and maintain high-quality, efficient, and scalable backend applications.
• Participate in all phases of the software development lifecycle (SDLC)
• Write clean, well-documented, and testable code adhering to best practices.
• Collaborate with team members to ensure the successful delivery of projects.
• Debug and troubleshoot complex technical problems.
• Identify and implement performance optimizations.
• Participate in code reviews
• Hands-on experience with Springboot, Java 8 and above.
• 2-5 years of experience developing Java applications.
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
• Required React developer requirements, qualifications & skills:
• Proficiency in React.js and its core principles
• Strong JavaScript, HTML5, and CSS3 skills
• Experience with popular React.js workflows (such as Redux)
• Strong understanding of object-oriented programming (OOP) principles.
• Experience with design patterns and best practices for Java development.
• Proficient in unit testing frameworks (e.g., JUnit).
• Experience with build automation tools (e.g., Maven, Gradle).
• Experience with version control systems (e.g., Git).
• Experience with one of these databases – Postgres, MongoDb, Cassandra
• Knowledge on Retail or OMS is a plus.
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset
• Ability to reverse engineer existing/legacy and document findings on confluence.
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

Job Description: We are looking for a talented and motivated Software Engineer with

expertise in both Windows and Linux operating systems and solid experience in Java

technologies. The ideal candidate should be proficient in data structures and algorithms, as

well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience

working with MySQL databases is also essential for this role.

Responsibilities:

● Design, develop, test, and maintain software applications using Java technologies.

● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.

● Develop and optimize database operations with MySQL.

● Analyze and solve complex problems by applying knowledge of data structures and

algorithms.

● Work with both Windows and Linux environments to develop and deploy solutions.

● Collaborate with cross-functional teams to deliver high-quality products on time.

● Ensure application security, performance, and scalability.

● Maintain thorough documentation of technical solutions and processes.

● Debug, troubleshoot, and upgrade legacy systems when required.

Requirements:

● Operating Systems: Expertise in Windows and Linux environments.

● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).

● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate.

● Algorithms and Data Structures: Good understanding and practical application of DSA

concepts.

● Databases: Experience with MySQL – writing queries, stored procedures, and performance

tuning.

● Version Control Systems: Experience with tools like Git.

● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)

Required Skillset

• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, System Design, Unix/Linux. • Possess good architectural knowledge and be aware of enterprise application design patterns. • Should be able to analyze, design, develop and test complex, low-latency client-facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-volume server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills in Java. • Strong interpersonal, communication and analytical skills. • Should be able to express their design ideas and thoughts.

Job Brief-

• Understand product requirements and come up with solution approaches. • Build and enhance large scale domain centric applications. • Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines.

Key Responsibilities:

• Design, develop, and maintain robust and scalable backend applications using Core Java and Spring Boot.
• Build and manage microservices-based architectures and ensure smooth inter-service communication.
• Integrate and manage real-time data streaming using Apache Kafka.
• Write clean, maintainable, and efficient code following best practices.
• Collaborate with cross-functional teams including QA, DevOps, and product management.
• Participate in code reviews and provide constructive feedback.
• Troubleshoot, debug, and optimize applications for performance and scalability.

Required Skills:

• Strong knowledge of Core Java (Java 8 or above).
• Hands-on experience with Spring Boot and the Spring ecosystem (Spring MVC, Spring Data, Spring Security).
• Experience in designing and developing RESTful APIs.
• Solid understanding of Microservices architecture and related patterns.
• Practical experience with Apache Kafka for real-time data processing.
• Familiarity with SQL/NoSQL databases such as MySQL, PostgreSQL, or MongoDB.
• Good understanding of CI/CD tools and practices.
• Knowledge of containerization tools like Docker is a plus.
• Strong problem-solving skills and attention to detail.

Role: Java Developer

Location: Bengaluru - Hybrid

Mode: Full Time

Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.

Responsibilities:

● Design, develop, test, and maintain software applications using Java technologies.

● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.

● Develop and optimize database operations with MySQL.

● Analyze and solve complex problems by applying knowledge of data structures and algorithms.

● Work with both Windows and Linux environments to develop and deploy solutions.

● Collaborate with cross-functional teams to deliver high-quality products on time.

● Ensure application security, performance, and scalability.

● Maintain thorough documentation of technical solutions and processes.

● Debug, troubleshoot, and upgrade legacy systems when required.

Requirements:

● Operating Systems: Expertise in Windows and Linux environments.

● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).

● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.

● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.

● Version Control Systems: Experience with tools like Git.

● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL.

We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team.

A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.

Required Skills:

• Exp. - 5 to 10 years.
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always first time right.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Role : Java Developer

Location : Bangalore

Key responsibilities

• Experience – 3 to 8 years of experience.
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Wissen Technology:

The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.

Our workforce consists of highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology has grown its revenues by 400% in these five years without any external funding or investments. Globally present with offices US, India, UK, Australia, Mexico, and Canada.

We offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® company for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients. We have served clients across sectors like Banking, Ecommerce, Telecom, Healthcare, Manufacturing, and Energy.

Career Progression:

At Wissen Technology, your career growth is important for us. Therefore, we put in several efforts towards each employee’s career progression – to enable and empower them to grow within the company as well as to instill a sense of responsibility, loyalty, and trust.

There have been instances where a software engineer has grown from being an individual contributor to technical lead and now on the path to becoming a director responsible for growing revenues and profitability. We deeply value Ownership: taking responsibility, making it happen, not letting the ball drop, and being accountable.

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency clientfacing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts.

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 10 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 5-8 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria. 
• Document APIs using Lowe’s established tooling. 

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 5-7 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

Job Title: Backend Developer

Location: In-Office, Bangalore, Karnataka, India

Job Summary:

We are seeking a highly skilled and experienced Backend Developer with a minimum of 1 year of experience in product building to join our dynamic and innovative team. In this role, you will be responsible for designing, developing, and maintaining robust backend systems that drive our applications. You will collaborate with cross-functional teams to ensure seamless integration between frontend and backend components, and your expertise will be critical in architecting scalable, secure, and high-performance backend solutions.

Annual Compensation: 6-10 LPA

Responsibilities:

• Design, develop, and maintain scalable and efficient backend systems and APIs using NodeJS.
• Architect and implement complex backend solutions, ensuring high availability and performance.
• Collaborate with product managers, frontend developers, and other stakeholders to deliver comprehensive end-to-end solutions.
• Design and optimize data storage solutions using relational databases (e.g., MySQL) and NoSQL databases (e.g., MongoDB, Redis).
• Promoting a culture of collaboration, knowledge sharing, and continuous improvement.
• Implement and enforce best practices for code quality, security, and performance optimization.
• Develop and maintain CI/CD pipelines to automate build, test, and deployment processes.
• Ensure comprehensive test coverage, including unit testing, and implement various testing methodologies and tools to validate application functionality.
• Utilize cloud services (e.g., AWS, Azure, GCP) for infrastructure deployment, management, and optimization.
• Conduct system design reviews and contribute to architectural discussions.
• Stay updated with industry trends and emerging technologies to drive innovation within the team.
• Implement secure authentication and authorization mechanisms and ensure data encryption for sensitive information.
• Design and develop event-driven applications utilizing serverless computing principles to enhance scalability and efficiency.

Requirements:

• Minimum of 1 year of proven experience as a Backend Developer, with a strong portfolio of product-building projects.
• Extensive experience with JavaScript backend frameworks (e.g., Express, Socket) and a deep understanding of their ecosystems.
• Strong expertise in SQL and NoSQL databases (MySQL and MongoDB) with a focus on data modeling and scalability.
• Practical experience with Redis and caching mechanisms to enhance application performance.
• Proficient in RESTful API design and development, with a strong understanding of API security best practices.
• In-depth knowledge of asynchronous programming and event-driven architecture.
• Familiarity with the entire web stack, including protocols, web server optimization techniques, and performance tuning.
• Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes) is highly desirable.
• Proven experience working with cloud technologies (AWS/GCP/Azure) and understanding of cloud architecture principles.
• Strong understanding of fundamental design principles behind scalable applications and microservices architecture.
• Excellent problem-solving, analytical, and communication skills.
• Ability to work collaboratively in a fast-paced, agile environment and lead projects to successful completion.

Job Title : Senior Backend Engineer – Java, AI & Automation

Experience : 4+ Years

Location : Any Cognizant location (India)

Work Mode : Hybrid

Interview Rounds :

1. Virtual
2. Face-to-Face (In-person)

Job Description :

Join our Backend Engineering team to design and maintain services on the Intuit Data Exchange (IDX) platform.

You'll work on scalable backend systems powering millions of daily transactions across Intuit products.

Key Qualifications :

• 4+ years of backend development experience.
• Strong in Java, Spring framework.
• Experience with microservices, databases, and web applications.
• Proficient in AWS and cloud-based systems.
• Exposure to AI and automation tools (Workato preferred).
• Python development experience.
• Strong communication skills.
• Comfortable with occasional US shift overlap.

Required Skills for the Java role :

• Experience in Core Java, CXF, Spring.
• Experience in spring boot, microservices.
• Extensive experience in developing enterprise-scale n-tier applications for the financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS, preferably Sybase database
• Good knowledge of multi-threading and high volume server side development
• Experience in sales and trading platforms in investment banking/capital markets
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.
• Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).

🔥 High Priority – Senior Lead Java Developer (10+ Years) | Bangalore – Onsite

Summary :

We are hiring Senior Lead Java Developers with 10+ years of experience for an onsite role in Bangalore.

If you're a hands-on expert with a strong background in Java, Spring Boot, Microservices, and Kubernetes, this is your opportunity to lead, mentor, and deliver high-quality solutions in a fast-paced environment.

🔹 Position : Senior Lead Java Developer

🔹 Experience : 10+ Years (12+ preferred)

🔹 Location : Bangalore (Onsite)

🔹 Openings : 6+

✅ Must-Have Skills :

• 8+ years of hands-on experience with Core Java & Spring Boot
• Expertise in Multithreading, Dependency Injection, and AOP
• Strong in Microservices Architecture and RESTful services
• Good exposure to SQL & NoSQL databases
• Proficient with Git (GitLab preferred)
• Experience with Kubernetes deployments and APM tools (New Relic preferred)
• Solid understanding of distributed tracing and log analysis
• Proven debugging and performance optimization skills

💼 Responsibilities :

• Design and develop high-quality, scalable microservices
• Act as SME for multiple services or subsystems
• Own service performance, SLAs, and incident resolutions
• Mentor junior developers and conduct technical interviews
• Participate in production war rooms and troubleshooting
• Lead development efforts and drive code quality

🎓 Qualification :

• BE/B.Tech or equivalent degree

🚀 We're Hiring: Technical Lead – Java Backend & Integration

📍 Bangalore | Hybrid | Full-Time

👨‍💻 9+ Years Experience | Enterprise Product Development

🏥 Healthcare Tech | U.S. Health Insurance Domain

Join Leading HealthTech, a U.S.-based product company driving innovation in the $1.1 trillion health insurance industry. We power over 81 million lives, with 130+ customers and 100+ third-party integrations. At our growing Bangalore tech hub, you’ll solve real-world, large-scale problems and help modernize one of the most stable and impactful industries in the world.

🔧 What You'll Work On:

• Architect and build backend & integration solutions using Java, J2EE, WebLogic, Spring, Apache Camel
• Transition monolith systems to microservices-based architecture
• Lead design reviews, customer discussions, code quality, UAT & production readiness
• Work with high-volume transactional systems processing millions of health claims daily
• Coach & mentor engineers, contribute to platform modernization

🧠 What You Bring:

• 9+ years in backend Java development and enterprise system integration
• Hands-on with REST, SOAP, JMS, SQL, stored procedures, XML, ESBs
• Solid understanding of SOA, data structures, system design, and performance tuning
• Experience with Agile, CI/CD, unit testing, and code quality tools
• Healthcare/payor domain experience is a huge plus!

💡 Why this opportunity?

• Global product impact from our India technology center
• Work on mission-critical systems in a stable and recession-resilient sector
• Be part of a journey to modernize healthcare through tech
• Solve complex challenges at scale that few companies offer

🎯 Ready to drive change at the intersection of tech and healthcare?

Role & Responsibilities

Responsible for ensuring that the architecture and design of the platform remains top-notch with respect to scalability, availability, reliability and maintainability

Act as a key technical contributor as well as a hands-on contributing member of the team.

Own end-to-end availability and performance of features, driving rapid product innovation while ensuring a reliable service.

Working closely with the various stakeholders like Program Managers, Product Managers, Reliability and Continuity Engineering(RCE) team, QE team to estimate and execute features/tasks independently.

Maintain and drive tech backlog execution for non-functional requirements of the platform required to keep the platform resilient

Assist in release planning and prioritization based on technical feasibility and engineering constraints

A zeal to continually find new ways to improve architecture, design and ensure timely delivery and high quality.

Be hands-on with describing business rules as technical artifacts for analysts, business product managers, and any functional team that depends on this information

Proficiency with full stack development preferably React, Java, springboot, python. Perform unit tests, resolve bugs and be responsible for the delivery of the project to production

Be a thought leader in bringing the GenAI capabilities to Visa's product development

Be comfortable looking at system logs when needed and identifying bugs when they might appear during course of analysis

Discuss technical implementation details with architects and other technical teams

Collaborate with engineering teams to build robust, reliable, and scalable platforms

Synthesize requirements into a common set of platform and services capabilities

Candidates will be responsible for value proposition definition, communications across technical, business and product functions, cost/benefit analysis, and executive presentations

Partner with business operations and analytics team to build right monitoring capabilities and metrics which helps monitor the health of the platform and facilitates data driven decision making

Define product requirements which involve writing clear, thorough, and detailed user stories for complex features and product sets

Be the primary liaison between business units, business product managers, engineering, and other applicable groups to ensure flawless integration of new and existing feature sets

Highly execution focused by working in conjunction with various counterparts across functions

Ensure product vision and requirements are designed with long-term vision in mind and can be launched globally with minimal tweaks

Work closely with senior leadership providing status, action plan and recommendations

Job Title : Java Full Stack Developer

Location : Bangalore (Work From Office)

Experience : 4+ Years

Employment Type : Contractual

Job Description :

We are seeking a highly skilled Java Full Stack Developer to join our dynamic team in Bangalore.

The ideal candidate will have strong expertise in full stack development using Java, Spring Boot, and Angular, with experience working in Agile development environments.

Prior experience in the Healthcare Imaging domain is highly desirable.

Key Responsibilities :

• Design, develop, and maintain scalable web applications using Java (Spring Boot) and Angular.
• Develop and maintain RESTful microservices in a cloud-based environment.
• Collaborate with cross-functional teams to deliver end-to-end solutions in an Agile development framework.
• Ensure high performance, security, and responsiveness of applications.
• Participate in code reviews, unit testing, and system integration.
• Troubleshoot and debug applications as required.

Required Skills & Qualifications :

• Strong proficiency in Java and Spring Boot framework.
• Hands-on experience with Angular or similar frontend frameworks.
• Experience with Microservice Architecture and REST APIs.
• Working knowledge of Agile development methodologies (Scrum, Kanban).
• Experience with version control systems like Git.
• Familiarity with CI/CD pipelines and DevOps tools is a plus.
• Healthcare Imaging domain experience is a strong advantage.
• Excellent problem-solving and communication skills.

Nice to Have :

• Knowledge of cloud platforms such as AWS or Azure.
• Exposure to containerization tools like Docker and Kubernetes.
• Understanding of healthcare data formats like DICOM, HL7, etc.