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

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 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: SDET Engineer

Experience Level: 5+ Years

Roles & Responsibility:

The QA Engineer will be responsible test plan development, execution, and results tracking as a member of a diverse, globally distributed team. The candidate will conduct in-depth application and workflow testing, as well as provide QA leadership and feedback to a diverse globally distributed team of Project Managers, Business Analysts, Software Developers, and other QA personnel.

· Collaborating with cross-functional agile team members to understand project requirements/user stories and translate them into comprehensive test plans and test cases.

· Designing, developing, and maintaining manual and automated test scripts, with focus on creating effective and reusable test scripts.

· Working closely with developers and product owners to identify, document, prioritize, and track software defects, and ensure timely resolution.

Requirement-

- Bachelor's degree in computer science, Engineering, or a related field.

- Proven 5+ Years experience in automation testing for web and backend applications.

- Must have experience with API testing tools - Rest Assured.

- Knowledge of automation testing frameworks.

- Experience with JAVA-Selenium

- Understanding of basic SQL queries to validate data in the databases

- Understanding of CI/CD processes and tools (e.g., Jenkins, GitLab CI).

- Strong analytical and problem-solving skills.

- Excellent communication and teamwork abilities.

- Prior experience with trading applications or core financial services related applications is a big plus.

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.

Please find the attached study material.

Data structure and Algorithms-

1. Basic Strings, Array and Mathematical based problems.

2. Sliding window problems

3. Problems solved using HashMap, Set and Stack.

Roles and Responsibilities:

• Own development, design, scaling, and maintenance of application and messaging engines that power the central platform of Capillary's Cloud CRM product.

• Work on the development of AI and data science products for various use cases. Implement PoCs in Python, and Spark-Scala and productize the implementations.

• Contribute to overall design and roadmap.

• Mentor Junior team members.

Required Skills:

• Innovative and self-motivated with a passion to develop complex and scalable applications.

• 3+years of experience in software development with a strong focus on algorithms and data structures.

• Strong coding and design skills with prior experience in developing scalable & high-availability applications. Expertise in using Core Java/J2EE or Node.js

• Work experience with Relational databases and Non-Relational is required (Primarily MySQL, MongoDB, and Redis)

• Familiarity with big data platforms (like Spark-Scala) is an added plus.

• Strong Analytical and Problem Solving Skills.

• BTech from IIT or BE in computer science from a top REC/NIT.

Job Perks

• Competitive Salary as per market standards

• Flexible working hours

• Chance to work with a world class engineering team.

Why Join Us:

Be part of a fast-moving tech team building impactful, user-friendly apps with modern development practices and a collaborative work culture.

Capillary is an Equal Opportunity Employer and will not discriminate against any applicant for employment on the basis of race, age, religion, sex, veterans, individuals with disabilities, sexual orientation, or gender identity.

Disclaimer:

It has been brought to our attention that there have recently been instances of fraudulent job offers, purporting to be from Capillary Technologies. The individuals or organizations sending these false employment offers may pose as a Capillary Technologies recruiter or representative and request personal information, purchasing of equipment or funds to further the recruitment process or offer paid training. Be advised that Capillary Technologies does not extend unsolicited employment offers. Furthermore, Capillary Technologies does not charge prospective employees with fees or make requests for funding as a part of the recruitment process.

We commit to an inclusive recruitment process and equality of opportunity for all our job applicants.

About Reltio

At Reltio®, we believe data should fuel business success. Reltio’s AI-powered data unification and management capabilities—encompassing entity resolution, multi-domain master data management (MDM), and data products—transform siloed data from disparate sources into unified, trusted, and interoperable data.

Reltio Data Cloud™ delivers interoperable data where and when it's needed, empowering data and analytics leaders with unparalleled business responsiveness. Leading enterprise brands—across multiple industries around the globe—rely on our award-winning data unification and cloud-native MDM capabilities to improve efficiency, manage risk and drive growth.

At Reltio, our values guide everything we do. With an unyielding commitment to prioritizing our “Customer First”, we strive to ensure their success. We embrace our differences and are “Better Together” as One Reltio. We are always looking to “Simplify and Share” our knowledge when we collaborate to remove obstacles for each other. We hold ourselves accountable for our actions and outcomes and strive for excellence. We “Own It”. Every day, we innovate and evolve, so that today is “Always Better Than Yesterday”.

If you share and embody these values, we invite you to join our team at Reltio and contribute to our mission of excellence.

Reltio has earned numerous awards and top rankings for our technology, our culture and our people. Reltio was founded on a distributed workforce and offers flexible work arrangements to help our people manage their personal and professional lives.

If you’re ready to work on unrivaled technology where your desire to be part of a collaborative team is met with a laser-focused mission to enable digital transformation with connected data—let’s talk!

Job Summary

Core Platform development is spread across multiple cross-functional teams, each building large and complex components of the MDM platform. An engineer playing a senior role in a team is technically responsible for particular feature delivery, which consists of:

• Presenting a solution to Architects
• Technically driving feature delivery, making decisions, development leadership – distributing tasks across one or two regular engineers
• Working with QA to review testing approaches, providing all details needed for testing, and reviewing test plans
• Being responsible for all internal feature documentation

Job Duties and Responsibilities

• Integrate backend services with AI agents and LLM-powered toolchains
• Work closely with AI/ML teams to expose and support autonomous workflows through APIs
• Develop event-driven and asynchronous services for real-time agentic interactions
• Support integration of AI agents with business logic, databases, external APIs, and messaging systems
• Maintain API security, authentication, and data privacy standards
• Stay up to date on emerging agentic AI trends and suggest practical applications within the backend stack

Skills You Must Have

• Experience integrating with AI microservices, APIs, or agent frameworks
• Basic knowledge of Python will be a plus
• Previous work in a cross-functional environment combining backend and AI components
• Understanding of prompt engineering, embeddings, or semantic search is a plus
• Exposure to agentic AI systems and tools like LangChain will be a plus
• Familiarity with graph-based memory systems, context-aware workflows, or reasoning engines
• Basic understanding of MCP protocol

Skills That Are Nice to Have

• Experience working with NoSQL databases like Cassandra, and queue services like SQS
• Experience in cloud security principles
• Experience with Kubernetes
• Experience with big data technologies
• Experience in driving customer focus for SaaS products is a big plus

Why Join Reltio?

Health & Wellness:

• Comprehensive Group medical insurance (includes parents) with additional top-up options
• Accidental Insurance
• Life Insurance
• Free unlimited online doctor consultations
• Employee Assistance Program (EAP)

Work-Life Balance:

• 36 annual leaves (18 sick + 18 earned)
• 26 weeks maternity leave, 15 days paternity leave
• 1 week additional off every year globally (Recharge Week)

Support for Home Office Setup:

• Home office setup allowance

Stay Connected, Work Flexibly:

• Mobile & internet reimbursement
• Free meal coverage
• And many more…

About us

At Reltio®, we believe data should fuel business success. Reltio’s AI-powered data unification and management capabilities—encompassing entity resolution, multi-domain master data management (MDM), and data products—transform siloed data from disparate sources into unified, trusted, and interoperable data. Reltio Data Cloud™ delivers interoperable data where and when it's needed, empowering data and analytics leaders with unparalleled business responsiveness. Leading enterprise brands—across multiple industries around the globe—rely on our award-winning data unification and cloud-native MDM capabilities to improve efficiency, manage risk and drive growth.

About the Role

We are seeking a Senior Backend Engineer with a strong foundation in Java, solid Python capabilities, and hands-on experience building or supporting Agentic AI applications that integrate with Large Language Models (LLMs). This role blends traditional backend engineering expertise with next-generation AI integration, requiring not just system design skills, but also creativity in prompt engineering and working with data-rich environments.

You will contribute to the design and implementation of intelligent backend services that coordinate LLMs, agents, and data workflows to support enterprise-grade automation and decision-making systems.

Key Responsibilities

• Develop robust, scalable Java-based backend systems that enable the orchestration of Agentic AI workflows.
• Integrate LLMs (e.g., OpenAI, Mistral, Claude, LLaMA) into backend pipelines to power autonomous or semi-autonomous decision-making.
• Work closely with AI/ML teams to design agent architectures and LLM toolchains (using frameworks like LangGraph, Crew AI, AutoGen, etc.).
• Implement services and APIs that manage prompt chaining, tool invocation, and contextual memory for agents.
• Collaborate with data engineers to ensure clean, efficient, and real-time access to structured and semi-structured data.
• Apply prompt engineering best practices to improve agent behavior, task accuracy, and adaptability.
• Monitor and optimize service performance, reliability, and scalability in production environments.
• Contribute to code reviews, mentoring, and best practices for hybrid backend/AI development.

Required Qualifications

• 4+ years of experience in backend engineering, with strong proficiency in Java for scalable, distributed systems.
• Practical knowledge of Python, particularly for scripting, API consumption, or integration with AI frameworks.
• Exposure to Agentic AI systems using tools such as LangGraph, Crew AI, AutoGen, or similar.
• Experience integrating or orchestrating LLMs within business workflows or intelligent assistants.
• Solid understanding of prompt engineering techniques (e.g., system messages, chaining, tool invocation prompts).
• Familiarity with data engineering concepts, including pipelines, data models, and ETL workflows.
• Strong grasp of object-oriented design, data structures, and algorithms.

Preferred Qualifications

• Experience with LLM orchestration frameworks (e.g., LangChain, LlamaIndex, RAG pipelines).
• Background in building microservices or backend systems for data-rich AI/ML platforms.
• Experience with vector databases, embedding services, or semantic search integration.
• Knowledge of cloud platforms (AWS, GCP, or Azure), containerization (Docker), and DevOps best practices.
• Prior involvement in developing LLM-powered agents, copilots, or task bots is a strong plus.

What We Offer

• Opportunity to work on cutting-edge backend and AI systems, including agentic automation and LLM innovation.
• A flexible hybrid work model in our Bangalore office.
• Competitive compensation with performance-based rewards.
• A culture that promotes engineering excellence, experimentation, and growth.
• Access to learning platforms, technical workshops, and industry-leading AI research.

Why Join Reltio?

• Support for home office setup:Home office setup allowance.
• Stay Connected, Work Flexibly: Mobile & Internet Reimbursement
• No need to pack a lunch—we’ve got you covered with a free meal

Health & Wellness:

• Comprehensive Group medical insurance including your parents with additional top-up options.Accidental Insurance
• Life insurance
• Free online unlimited doctor consultations
• An Employee Assistance Program (EAP)

Work-Life Balance

• 36 annual leaves, which includes Sick leaves – 18, Earned Leaves - 18
• 26 weeks of maternity leave, 15 days of paternity leave
• Very unique to Reltio - 01 week of additional off as recharge week every year globally

Key Responsibilities:

• Design, develop, and maintain robust backend services using Core Java and Spring Boot
• Develop and optimize queries in MongoDB, including aggregation and indexing
• Build RESTful APIs and integrate third-party services
• Write clean, maintainable, and scalable code following best practices
• Collaborate with cross-functional teams to gather and implement requirements

Required Skills:

• 5+ years of experience in Core Java
• Strong expertise in Spring Boot (REST APIs, Security, Data)
• Hands-on experience with MongoDB (CRUD operations, schema design)
• Experience with Microservices architecture

Roles and Responsibilities:

• Experience to design/develop/maintain reusable/ scalable automation test frameworks POM
• Exposure to hybrid framework, which uses multiple libraries for different purpose
• Jest. - testing framework to run and report
• Playwright - to interact with browser
• axios - to make API calls
• allure - for reports"
• Create and execute automation test scripts
• Perform regression test and verify defect closure
• Understanding and enhancing TCs/Test scripts using element locators, webdriver methods, Java script programming concepts, and TestNG Annotations
• Error handling, Analysing test results and reporting defects
• Creating data driven tests and running through framework
• Develop test scenarios and testcases for the user story
• Contribute to team agile planning activities and backlog prioritization and management
• Identify, verify, report and regress bugs
• Tracking defects and select test cases for regression testing
• Report defects
•  

Primary Skillset:

• Selenium / Java

Secondary Skillset:

• Playwright – Typescript/Javascript

🚀 What You’ll Do:

• Design and develop scalable full-stack applications using Java, Spring Boot, Microservices, and React.js/Next.js
• Build and consume RESTful APIs for web and mobile platforms
• Work with Kafka (or similar messaging systems) for asynchronous data processing
• Optimize app performance using Redis or similar distributed caching tools
• Implement and manage Micro Frontends architecture for modular web apps
• Collaborate with QA, Product, and DevOps teams in an Agile/Scrum environment
• Handle end-to-end debugging and performance tuning
• Communicate effectively with cross-functional stakeholders and clients
• Take ownership of modules and deliver with minimal supervision

✅ Skills We’re Looking For:

• 6+ years of hands-on experience in Java Fullstack Development
• Proficiency in Java, Spring Boot, and Microservices
• Strong frontend development using React.js or Next.js
• Experience with Kafka, Redis, MySQL/PostgreSQL, and NoSQL databases
• Familiarity with Micro Frontends architecture
• Good understanding of Agile practices and tools like JIRA
• Bonus: Knowledge of Oracle ATG (Oracle Commerce) and Retail domain

💡 Why Join Us:

• Work on impactful retail solutions in a fast-paced, tech-driven environment
• Ownership, autonomy, and support to innovate
• Collaborate with passionate engineers and product leaders
• Competitive compensation and remote flexibility

📩 Interested?

Apply now or reach out for a quick chat. Let’s build something great together!

Job description

We are looking for a Java Backend Developer with solid experience in Network Management Systems (NMS/EMS) to be part of a fast-paced product development environment. The ideal candidate should have hands-on experience in core Java and Spring Boot, with an understanding of telecom network protocols like SNMP, Netconf, and FCAPS.

You'll be involved in developing scalable backend solutions for managing and monitoring network infrastructure, particularly within the optical networking/OTN domain.

Key Responsibilities

• Design, develop, and maintain backend modules using Core Java & Spring Boot
• Work on NMS/EMS platforms and implement network features aligned with FCAPS
• Develop or integrate with communication protocols like SNMP, Netconf
• Collaborate with front-end, QA, and network teams to deliver end-to-end solutions
• Debug production issues, optimize system performance, and ensure scalability
• Work in Agile/Scrum teams to deliver high-quality releases within tight timelines
• Follow best practices in coding, testing, and CI/CD pipelines

Required Skills

• Strong proficiency in Core Java (Java 8 or above) and Spring Boot
• 3+ years of experience working with NMS/EMS platforms
• Good understanding of network management protocols – SNMP, Netconf
• Familiarity with FCAPS architecture (Fault, Configuration, Accounting, Performance, Security)
• Strong knowledge of Linux environments and shell scripting
• Experience with REST APIs, microservices architecture, and debugging tools

Nice to Have

• Prior exposure to optical networking technologies (OTN/SONET/SDH)
• Understanding of L0/L1 transport network configurations
• Hands-on with telecom equipment vendors or network simulators

Job Title: QA Engineer

Location- Bangalore / Hybrid

Desired skills- Java / Node.js, Selenium, Rest Assured, Cucumber, Docker, Kubernetes, Nomad, Grafana, Kibana

Experience range- 5-8 years

Job Description:

• Develop automated tests and test frameworks to enhance software quality.
• Conduct functional and non-functional testing, including performance, security, resiliency, and chaos testing.
• Optimize and improve CI/CD pipelines for faster and more efficient deployments.
• Identify and implement quality processes to enhance engineering efficiency.
• Automate various aspects of the software development lifecycle.
• Review code and designs, providing constructive feedback for improvement.
• Continuously upskill and mentor team members to drive growth and excellence.
• Strong automation testing expertise for REST APIs, with coding proficiency in Node.js Or Java.
• Prior software development experience before transitioning into testing and automation is a plus.
• Hands-on experience with testing frameworks and CI/CD tools like Jenkins or GitHub Actions.
• Experience working with Docker, Kubernetes, and Nomad for containerized environments.
• Familiarity with cloud platforms, particularly AWS,
• Experience with observability and monitoring tools like Grafana and Kibana.
• Ensure comprehensive test coverage through automation and manual testing where necessary.
• Research automation tools and infrastructure for improvement
• Review plans and consult junior QAs
• Excellent problem-solving skills and attention to detail.
• Strong communication and interpersonal skills.
• Define E2E testing requirements (scenarios, conditions, testing types, metrics formonitoring)
• Execute E2E manual tests
• Automate E2E regression

Responsibilities

1. Design, develop, test, and deploy Java-based backend services and APIs.
2. Collaborate with front-end developers, DevOps, and QA to deliver high-quality software.
3. Write clean, efficient, and maintainable code following best practices.
4. Participate in system design, code reviews, and architectural discussions.
5. Optimize application performance and scalability.
6. Ensure secure and compliant backend services.
7. Troubleshoot and debug production issues as part of the on-call rotation.
8. Contribute to CI/CD and infrastructure automation efforts.

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 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:

• Design, develop, and maintain scalable automation frameworks using Java, Selenium, TestNG, and Cucumber.
• Automate UI and API test cases for web applications and microservices.
• Validate message queues, data streams, and integrations using Apache Kafka.
• Participate in test planning, test case design, and peer reviews to ensure high-quality delivery.
• Collaborate with cross-functional teams, including development, DevOps, and product management.
• Monitor and maintain automated test suites and regression tests.
• Integrate test automation with CI/CD pipelines using tools like Jenkins.
• Analyze test results, log defects, and track them to closure.
• Contribute to the continuous improvement of QA processes, tools, and best practices.

Requirements:

• 5-8 years of strong hands-on experience in Automation Testing.
• Expertise in Java and solid understanding of Object-Oriented Programming.
• Proficiency in Selenium WebDriver, TestNG, and Cucumber.
• Experience working with Kafka for event-driven architecture testing.
• Solid understanding of API Testing (RestAssured or Postman).
• Familiarity with Git, Jenkins, Maven/Gradle, and CI/CD concepts.
• Good knowledge of Agile methodologies.
• Strong analytical, problem-solving, and debugging skills.
• Excellent communication and documentation abilities.

Job Title: Java Developer – Spring Boot 

Location: Bangalore/Chennai/Trivandrum/Hyderabad/Pune(Hybrid)

Type: Full-Time

Experience: 5+ years

Notice Period: Immediate

About the Role:

We are looking for a skilled Java Developer with hands-on experience in Spring Boot to join our dynamic team. This role is ideal for someone who enjoys building robust backend applications and working in a collaborative environment.

Key Responsibilities:

• Develop and maintain backend applications using Java (Spring Boot)
• Create and manage RESTful APIs
• Collaborate with team members to deliver high-quality solutions
• Participate in code reviews and agile development processes
• Troubleshoot and debug application issues

Required Skills:

• Minimum 5+ years of experience in Java development
• Strong working knowledge of Spring Boot
• Solid understanding of REST APIs and backend application design
• Familiarity with relational or NoSQL databases
• Good communication and team collaboration skills

Job Description:

We are looking for a Senior Java Developer with strong expertise in Apache Kafka and backend systems. The ideal candidate will have hands-on experience in Java (8/11+), Spring Boot, and building scalable, real-time data pipelines using Kafka.

Key Responsibilities:

• Develop and maintain backend services using Java and Spring Boot
• Design and implement Kafka-based messaging and streaming solutions
• Optimize Kafka performance (topics, partitions, consumers)
• Collaborate with cross-functional teams to deliver scalable microservices
• Ensure code quality and maintain best practices in a distributed environment

Required Skills:

• 6+ years in Java development
• 3+ years of hands-on Kafka experience (producers, consumers, streams)
• Strong knowledge of Spring Boot, REST APIs, and microservices
• Familiarity with Kafka Connect, Schema Registry, and stream processing
• Experience with containerization (Docker), CI/CD, and cloud platforms (AWS/GCP/Azure)

Responsibilities

• Design and develop scalable web applications using Java and Angular/React
• Collaborate with cross-functional teams to define, design, and ship new features
• Maintain code quality through code reviews and automated testing
• Implement RESTful APIs to support front-end functionality
• Troubleshoot and debug applications to ensure optimal performance
• Participate in agile development processes and contribute to continuous improvement

Qualifications

• Bachelor's degree in Computer Science or related field
• 3+ years of experience in full stack development using Java and Angular/React
• Strong understanding of front-end technologies like HTML, CSS, and JavaScript
• Experience with back-end development including RESTful API design
• Familiarity with database technologies such as SQL and NoSQL
• Excellent problem-solving skills and attention to detail

Key Responsibilities :

- Design, develop, and maintain applications using Java and Kotlin

- Write clean, scalable, and efficient code

- Build and consume RESTful APIs and microservices

- Participate in all phases of the software development lifecycle

- Work with databases like MySQL, PostgreSQL, or MongoDB

- Collaborate with cross-functional teams including Product, QA, and DevOps

- Conduct unit testing and assist in code reviews

- Troubleshoot and debug applications

- Ensure application performance, security, and scalability

Required Skills :

- Strong programming experience in Java (Core/Advanced)

- Experience in Kotlin

- Solid understanding of OOP concepts, design patterns, and data structures

- Experience with frameworks such as Spring Boot, Ktor, or Android SDK

- Proficient in building and consuming RESTful APIs

- Familiarity with Git, JIRA, and CI/CD tools

- Basic knowledge of unit testing frameworks like JUnit or Mockito

Position : Tech Lead – Fullstack Developer

Experience : 7 to 15 Years

Location : MG Road, Bengaluru (Hybrid – 3 Days in Office)

Notice Period : Immediate / Serving / 15 Days or Less

About the Opportunity :

We are hiring a Tech Lead – Fullstack Developer for a well-funded product startup building an enterprise-grade SaaS platform in the Cybersecurity domain.

The role involves designing and delivering scalable microservices and cloud-native applications in a high-performing, Agile engineering environment.

You'll work alongside industry veterans from billion-dollar digital firms, contributing to technical design, product architecture, and engineering best practices.

Mandatory Skills : Java, Spring Boot, ReactJS (or any modern JavaScript framework), RESTful APIs, PostgreSQL, Docker, Kubernetes, CI/CD, Hibernate/JPA, Multithreading, and Microservices architecture.

Role Highlights :

• Lead fullstack product development using Java (Spring Boot) and ReactJS (or similar frameworks).
• Design, develop, test, and deploy scalable microservices and RESTful APIs.
• Collaborate with Product, DevOps, and QA teams in a fast-paced Agile environment.
• Write modular, secure, and efficient code optimized for performance and maintainability.
• Mentor junior developers and influence architecture decisions across the team.
• Participate in all stages of the product lifecycle, from design to deployment.
• Create technical documentation, UML diagrams, and contribute to knowledge-sharing through blogs or whitepapers.

Key Skills Required :

1. Strong expertise in Java (mandatory) and Spring Boot.
2. Proficient in frontend development using ReactJS or similar frameworks.
3. Hands-on experience building and consuming RESTful APIs.
4. Solid knowledge of PostgreSQL, Hibernate/JPA, and transaction management.
5. Familiarity with Docker, Kubernetes, and cloud platforms (Azure/GCP).
6. Understanding of API Gateway, ACID properties, multithreading, and performance tuning.
7. Experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and Agile methodologies.
8. Strong debugging and profiling skills for performance bottlenecks.

Nice to Have :

• Experience with data integration tools (e.g., Pentaho, Apache NiFi).
• Exposure to the Healthcare or Cybersecurity domain.
• Familiarity with OpenAI APIs or real-time analytics tools.
• Willingness to contribute to internal documentation, blog posts, or whitepapers.

Perks & Benefits :

• Opportunity to build a product from scratch.
• Flat hierarchy and direct access to leadership.
• Strong focus on learning, mentorship, and technical innovation.
• Collaborative startup culture with long-term growth opportunities.

Interview Process :

1. Technical Round – Technical Assessment
2. Technical Interview – Core Development
3. Advanced Technical Interview – Design & Problem Solving
4. Final Round – CTO Discussion

•              Software Engineering experience including hands-on experience with application development using Java and distributed technologies both on-premises and cloud.

•             Strong in Java/JEE, Spring framework,MS, JavaScript, RESTful web services

•            Strong understanding of microservices and associated design patterns

•             Experience with latest unit testing tools including Junit

•              Working knowledge SQL

•              Experience In Microservices

•             Experience in identifying and remediating security vulnerabilities

•              Should be well versed with test driven development and be knowledgeable on associated tools and practices - CICD

About the Company

We are hiring for a fast-growing, well-funded product startup backed by a leadership team with a proven track record of building billion-dollar digital businesses. The company is focused on delivering enterprise-grade SaaS products in the Cybersecurity domain for B2B markets. You’ll be part of a passionate and dynamic engineering team building innovative solutions using modern tech stacks.

Key Responsibilities

• Design and develop scalable microservices using Java and Spring Boot
• 
  
• Build and manage robust RESTful APIs
• 
  
• Collaborate with cross-functional teams in an Agile setup
• 
  
• Lead and mentor junior engineers, driving technical excellence
• 
  
• Contribute to architecture discussions and code reviews
• 
  
• Work with PostgreSQL, implement data integrity and consistency
• 
  
• Deploy and manage services on cloud platforms like GCP or Azure
• 
  
• Utilize Docker/Kubernetes for containerization and orchestration

Must-Have Skills

• Strong backend experience with Java, Spring Boot, REST APIs
• 
  
• Proficiency in frontend development with React.js
• 
  
• Experience with PostgreSQL and database optimization
• 
  
• Hands-on with cloud platforms (GCP or Azure)
• 
  
• Familiarity with Docker and Kubernetes
• 
  
• Strong understanding of:
• 
  
• API Gateways
• 
  
• Hibernate & JPA
• 
  
• Transaction management & ACID properties
• 
  
• Multi-threading and context switching

Good to Have

• Experience in Cybersecurity or Healthcare domain

Exposure to CI/CD pipelines and DevOps practices

·      12+ years of professional experience in front-end development.

·      7+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)

·      Strong understanding of JavaScript (ES6+), HTML5, and CSS3.

·      Experience with RESTful APIs, GraphQL, and WebSocket integration.

·      Proficiency in modern build tools (Webpack, Vite, Babel, etc.).

·      Expertise in state management libraries (Redux, MobX) and React Query.

·      Solid understanding of UI/UX principles and responsive design.

·      Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).

·      Familiarity with modern CI/CD pipelines and version control tools (Git).

• Contribute to all stages of the software development lifecycle
• Design, implement and maintain Java-based applications that can be high-volume and low-latency
• Analyze user requirements to define business objectives
• Envisioning system features and functionality
• Define application objectives and functionality
• Ensure application designs conform with business goals

Job Title: Java Full Stack Developer

Experience: 6+ Years

Locations: Bangalore, Mumbai, Pune, Gurgaon

Work Mode: Hybrid

Notice Period: Immediate Joiners Preferred / Candidates Who Have Completed Their Notice Period

About the Role

We are looking for a highly skilled and experienced Java Full Stack Developer with a strong command over backend technologies and modern frontend frameworks. The ideal candidate will have deep experience with Java, ReactJS, and DevOps tools like Jenkins, Docker, and basic Kubernetes knowledge. You’ll be contributing to complex software solutions across industries, collaborating with cross-functional teams, and deploying production-grade systems in a cloud-native, CI/CD-driven environment.

Key Responsibilities

• Design and develop scalable web applications using Java (Spring Boot) and ReactJS
• Collaborate with UX/UI designers and backend developers to implement robust, efficient front-end interfaces
• Develop and maintain CI/CD pipelines using Jenkins, ensuring high-quality software delivery
• Containerize applications using Docker and ensure smooth deployment and orchestration using Kubernetes (basic level)
• Write clean, modular, and testable code and participate in code reviews
• Troubleshoot and resolve performance, reliability, and functional issues in production
• Work in Agile teams and participate in daily stand-ups, sprint planning, and retrospective meetings
• Ensure all security, compliance, and performance standards are met in the development lifecycle

Mandatory Skills

• Backend: Java, Spring Boot
• Frontend: ReactJS
• DevOps Tools: Jenkins, Docker
• Containers & Orchestration: Basic knowledge of Kubernetes
• Strong understanding of RESTful services and APIs
• Familiarity with Git and version control workflows
• Good understanding of SDLC, Agile/Scrum methodologies

Job Title: IAC SRE Engineer

Location: Pune, Mumbai, Bangalore

Experience Required: 4 Years

Role Overview:

We are looking for experienced IAC Engineers with a strong background in Akamai, Data Structures & Algorithms (DSA), Java, and DevSecOps. The ideal candidate should have hands-on development experience, be proficient in writing Infrastructure as Code using Terraform, and demonstrate strong problem-solving skills.

Core Skills:

• Akamai – Strong experience in CDN, caching, and performance optimization.
• Data Structures & Algorithms (DSA) – Strong problem-solving and coding abilities.
• Java – Solid programming background and experience in development.
• DevSecOps – Understanding of integrating security in CI/CD pipelines and infrastructure.

Good to Have:

• WAF (Web Application Firewall) – Knowledge of WAF is a plus, though not mandatory.

Additional Skills:

• Experience with SRE (Site Reliability Engineering) practices is beneficial.
• Strong hands-on with Terraform for managing cloud infrastructure.

Design, develop and maintain robust test automation frameworks for financial applications

 Create detailed test plans, test cases, and test scripts based on business requirements and user stories

 Execute functional, regression, integration, and API testing with a focus on financial data integrity

 Validate complex financial calculations, transaction processing, and reporting functionalities

 Collaborate with Business Analysts and development teams to understand requirements and ensure complete test coverage

 Implement automated testing solutions within CI/CD pipelines for continuous delivery

 Perform data validation testing against financial databases and data warehouses

 Identify, document, and track defects through resolution using defect management tools

 Verify compliance with financial regulations and industry standards

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.

• Proven 7+ years of experience as a Backend Developer or similar role.
• Strong proficiency in Java programming language (Java 8+ preferred).
• Experience with Spring Framework (Spring Boot, Spring REST).
• Proficiency in ORM frameworks such as Hibernate.
• Familiarity with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB).
• Familiarity with microservices architecture.
• Experience with RESTful API development and integration.
• Understanding of software design principles and best practices.
• Exp in AWS Must

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.

The Assistant Professor in CSE will teach undergraduate and graduate courses, conduct independent and collaborative research, mentor students, and contribute to departmental and institutional service.

About NxtWave

NxtWave is one of India’s fastest-growing ed-tech startups, reshaping the tech education landscape by bridging the gap between industry needs and student readiness. With prestigious recognitions such as Technology Pioneer 2024 by the World Economic Forum and Forbes India 30 Under 30, NxtWave’s impact continues to grow rapidly across India.

Our flagship on-campus initiative, NxtWave Institute of Advanced Technologies (NIAT), offers a cutting-edge 4-year Computer Science program designed to groom the next generation of tech leaders, located in Hyderabad’s global tech corridor.

Know more:

🌐 NxtWave | NIAT

About the Role

As a PhD-level Software Development Instructor, you will play a critical role in building India’s most advanced undergraduate tech education ecosystem. You’ll be mentoring bright young minds through a curriculum that fuses rigorous academic principles with real-world software engineering practices. This is a high-impact leadership role that combines teaching, mentorship, research alignment, and curriculum innovation.

Key Responsibilities

• Deliver high-quality classroom instruction in programming, software engineering, and emerging technologies.
• Integrate research-backed pedagogy and industry-relevant practices into classroom delivery.
• Mentor students in academic, career, and project development goals.
• Take ownership of curriculum planning, enhancement, and delivery aligned with academic and industry excellence.
• Drive research-led content development, and contribute to innovation in teaching methodologies.
• Support capstone projects, hackathons, and collaborative research opportunities with industry.
• Foster a high-performance learning environment in classes of 70–100 students.
• Collaborate with cross-functional teams for continuous student development and program quality.
• Actively participate in faculty training, peer reviews, and academic audits.

Eligibility & Requirements

• Ph.D. in Computer Science, IT, or a closely related field from a recognized university.
• Strong academic and research orientation, preferably with publications or project contributions.
• Prior experience in teaching/training/mentoring at the undergraduate/postgraduate level is preferred.
• A deep commitment to education, student success, and continuous improvement.

Must-Have Skills

• Expertise in Python, Java, JavaScript, and advanced programming paradigms.
• Strong foundation in Data Structures, Algorithms, OOP, and Software Engineering principles.
• Excellent communication, classroom delivery, and presentation skills.
• Familiarity with academic content tools like Google Slides, Sheets, Docs.
• Passion for educating, mentoring, and shaping future developers.

Good to Have

• Industry experience or consulting background in software development or research-based roles.
• Proficiency in version control systems (e.g., Git) and agile methodologies.
• Understanding of AI/ML, Cloud Computing, DevOps, Web or Mobile Development.
• A drive to innovate in teaching, curriculum design, and student engagement.

Why Join Us?

• Be at the forefront of shaping India’s tech education revolution.
• Work alongside IIT/IISc alumni, ex-Amazon engineers, and passionate educators.
• Competitive compensation with strong growth potential.
• Create impact at scale by mentoring hundreds of future-ready tech leaders.

Job Title : Senior Automation Engineer

Experience : 5 to 8 Years

Work Location : Bengaluru (Hybrid – 3 Days WFO)

Work Timings : 11:00 AM to 8:00 PM IST

Notice Period : Immediate or 15 to 30 Days

Role Overview :

We are seeking a highly motivated and experienced Senior Automation Engineer with deep expertise in test automation for UI and API applications using JavaScript, Playwright, and Selenium.

This role requires a proactive mindset, strong collaboration skills, and a passion for quality assurance.

Mandatory Skills : Automation Testing, JavaScript or Java, Playwright, Selenium, RestAssured, API Testing, CI/CD (Jenkins/GitHub), Git, Postman.

Key Responsibilities :

• Develop, execute, and maintain automated test cases using Playwright, Selenium, and Rest Assured.
• Design and implement test strategies for API and UI automation.
• Collaborate with cross-functional teams including developers, product managers, and QA engineers.
• Integrate automated tests into CI/CD pipelines using tools like Jenkins or GitHub Actions.
• Drive improvements in automation frameworks to ensure scalability, reusability, and performance.
• Provide mentorship and technical guidance to junior team members.
• Work in an Agile environment with fast-paced iterations.
• Troubleshoot test failures and report defects effectively.
• Ensure high test coverage and generate actionable test reports and quality metrics.

Core Requirements :

• 5 to 8 Years of experience in automation testing.
• Minimum 3 to 5 Years in automation testing for both API and UI.
• Strong coding skills in JavaScript or Java.
• Proficiency in automation tools : Playwright (preferred), Selenium, Rest Assured.
• Experience in CI/CD pipeline integration and Git-based version control.
• Familiarity with tools like Postman, Jenkins, GitHub Actions.
• Strong understanding of OOP concepts, debugging, and test reporting.

Preferred Skills :

• Experience with GitHub Actions.
• Familiarity with Agile methodologies.
• Exposure to cloud-based testing environments (AWS/Azure).

Interview Process :

1. Round 1 – Online Technical Evaluation (1 hour)
2. Round 2 – Online Interview with the Indian Team (1 hour)
3. Round 3 – Online Interview with the U.S. Team (30 minutes)
4. Round 4 – Mandatory Face-to-Face Interview at Bangalore office (weekday only)

⚠️ Only candidates comfortable with in-person interviews in Bangalore should apply.

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 Overview :

We are seeking a passionate and experienced Full Stack Developer with a strong background in Java and modern front-end technologies. The ideal candidate should possess a keen analytical mindset, be comfortable working in a cross-functional, fast-paced environment, and demonstrate the ability to take ownership of technical challenges. This role involves end-to-end development, from understanding business requirements to delivering scalable, high-quality solutions, while continuously seeking improvement and innovation. 

KEY RESPONSIBILITIES 

• Analyze entity relationships to design and implement efficient, scalable code solutions.
• Develop reports and conduct thorough analysis to identify defects and recommend enhancements. 
• Perform root cause analysis to resolve issues effectively and prevent recurrence. 
• Offer technical recommendations and develop improvement plans based on data-driven insights. 
• Apply a curious, problem-solving mindset to tackle complex business challenges and propose innovative solutions.   

 REQUIRED QUALIFICATIONS: 

• 5+ years of hands-on experience with Java, HTML5, Angular, TypeScript, JavaScript, and React. 
• Demonstrated knowledge or strong interest in full stack development. 
• Solid experience working with RESTful services, independent of platform.
• Proficiency in Oracle or SQL Server, with the ability to define data flow, high-level data design, and relationships.
• Exposure to AWS Cloud technologies and cloud-based development. 
• Working knowledge of version control tools such as Git or SVN.
• Experience implementing automated testing platforms and writing unit tests. 
• Proven ability to collaborate with cross-functional teams including Technical Leads, Product Managers, and Designers. 
• Strong communication skills with a flexible, team-oriented approach. 
• Prior experience working with US-based clients and adaptability to shifting priorities. 
• Self-driven and accountable, with a strong sense of ownership and responsibility.

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai 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 to 8 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 Summary:

As a Java Spring Boot Developer, you will play a key role in designing, developing, and maintaining robust backend services and APIs. With 2.5+ years of experience, including knowledge in Kotlin, you will work alongside a cross-functional team to build scalable and performant systems.

Key Responsibilities:

• Design, develop, and maintain efficient, reusable, and reliable Java and Kotlin code
• Build and consume RESTful APIs and microservices using Spring Boot
• Ensure the best possible performance, quality, and responsiveness of applications
• Collaborate with product managers, QA engineers, and DevOps for end-to-end delivery
• Troubleshoot and resolve performance bottlenecks, bugs, and technical issues
• Participate in code reviews, knowledge sharing, and continuous improvement

Required Skills & Qualifications:

• 2.5+ years of experience with Java and Spring Boot
• Strong understanding of RESTful APIs, MVC, and microservices architecture
• Experience with relational and NoSQL databases
• Proficiency with Git and Agile/Scrum methodologies

Preferred Skills:

• Familiarity with Docker, Kubernetes, and CI/CD tools
• Exposure to cloud platforms such as AWS or Azure
• Experience with unit testing and test automation frameworks

Senior Data Engineer Job Description

Overview

The Senior Data Engineer will design, develop, and maintain scalable data pipelines and

infrastructure to support data-driven decision-making and advanced analytics. This role requires deep

expertise in data engineering, strong problem-solving skills, and the ability to collaborate with

cross-functional teams to deliver robust data solutions.

Key Responsibilities

Data Pipeline Development: Design, build, and optimize scalable, secure, and reliable data

pipelines to ingest, process, and transform large volumes of structured and unstructured data.

Data Architecture: Architect and maintain data storage solutions, including data lakes, data

warehouses, and databases, ensuring performance, scalability, and cost-efficiency.

Data Integration: Integrate data from diverse sources, including APIs, third-party systems,

and streaming platforms, ensuring data quality and consistency.

Performance Optimization: Monitor and optimize data systems for performance, scalability,

and cost, implementing best practices for partitioning, indexing, and caching.

Collaboration: Work closely with data scientists, analysts, and software engineers to

understand data needs and deliver solutions that enable advanced analytics, machine

learning, and reporting.

Data Governance: Implement data governance policies, ensuring compliance with data

security, privacy regulations (e.g., GDPR, CCPA), and internal standards.

Automation: Develop automated processes for data ingestion, transformation, and validation

to improve efficiency and reduce manual intervention.

Mentorship: Guide and mentor junior data engineers, fostering a culture of technical

excellence and continuous learning.

Troubleshooting: Diagnose and resolve complex data-related issues, ensuring high

availability and reliability of data systems.

Required Qualifications

Education: Bachelor’s or Master’s degree in Computer Science, Engineering, Data Science,

or a related field.

Experience: 5+ years of experience in data engineering or a related role, with a proven track

record of building scalable data pipelines and infrastructure.

Technical Skills:

Proficiency in programming languages such as Python, Java, or Scala.

Expertise in SQL and experience with NoSQL databases (e.g., MongoDB, Cassandra).

Strong experience with cloud platforms (e.g., AWS, Azure, GCP) and their data services

(e.g., Redshift, BigQuery, Snowflake).

Hands-on experience with ETL/ELT tools (e.g., Apache Airflow, Talend, Informatica) and

data integration frameworks.

Familiarity with big data technologies (e.g., Hadoop, Spark, Kafka) and distributed

systems.

Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes) is a

plus.

Soft Skills:

Excellent problem-solving and analytical skills.

Strong communication and collaboration abilities.

Ability to work in a fast-paced, dynamic environment and manage multiple priorities.

Certifications (optional but preferred): Cloud certifications (e.g., AWS Certified Data Analytics,

Google Professional Data Engineer) or relevant data engineering certifications.

Preferred Qualifica

Experience with real-time data processing and streaming architectures.

Familiarity with machine learning pipelines and MLOps practices.

Knowledge of data visualization tools (e.g., Tableau, Power BI) and their integration with data

pipelines.

Experience in industries with high data complexity, such as finance, healthcare, or

e-commerce.

Work Environment

Location: Hybrid/Remote/On-site (depending on company policy).

Team: Collaborative, cross-functional team environment with data scientists, analysts, and

business stakeholders.

Hours: Full-time, with occasional on-call responsibilities for critical data systems.

JD:

Role - Java FullStack Developer

Experience - 5+ Years

Location - Bangalore

Job description

• A Java Full Stack Developer is responsible for designing, developing and maintaining the full stack of an application using Java programming language
• They are expected to have expertise in both front-end and back-end development, as well as the ability to integrate the two
• Key responsibilities include: Design, develop, and maintain both client-side and server-side applications
• Write clean, efficient, and well-documented code
• Develop and implement RESTful APIs
• Collaborate with other developers to integrate user-facing elements with server side logic
• Test and debug applications
• Stay up to date with emerging trends and technologies in web development
• Requirements for the role include: Strong experience with Java and Java-based web development frameworks
• Experience in front-end technologies such as HTML, CSS, JavaScript, and Angular or React
• Experience with databases (eg, MySQL, MongoDB) and ORM (Object Relational Mapping) frameworks
• Familiarity with Agile software development methodologies
• Good understanding of RESTful API design
• Ability to write well-documented, reusable, and testable code

Description:

JOB RESPONSIBILITY

• Candidate should be good in both Backend side and Front-end side as well.

• Build front end of applications through appealing visual design

• Experience in writing SQL queries is must.

• Candidate should be good at understanding, analyzing and developing the business requirements and should be able to deliver them with in the given time

• Candidate should have good problem-solving skills.

• Good knowledge on Agile and Software Development Life Cycle (SDLC) process.

• Candidate should be able to contribute at Individual level and Team Level.

• Should be able to communicate with the business team for requirements gathering and providing solutions for the same.

QUALIFICATION

• B.Tech /B.E /MCA

EXPERIENCE

• 4 + years’ experience as a full stack developer

• 5 - 7 working years of strong experience on Java 8, Angular 7 or above

SKILLS AND COMPETENCIES

• 4+ years’ experience as a full stack developer

• 6+ working years of strong experience on Java 8, Angular 7 or above

• Working knowledge on HTML5, CSS3 or above, Bootstrap.

• Strong experience on Spring MVC, Spring Core, Spring Data JPA/Hibernate/JPA, Spring Boot, Spring Transactions, Spring Security.

• Experience on Oracle Database SQL Developer or any SQL tools and should be good at writing SQL Queries

• Strong experience on developing web services (RESTFUL Web services/API’s) using Java.

• Good Communication and Teamwork skills.

• Good to have knowledge on AWS, React Js, Node Js, Java Script.

Enable Skills-Based HiringNoPrimary Skill Set Angular, Java, Microservices, Spring Boot

• Hands-on experience with Microservices based Enterprise application development using Java.
• Very good in Core Java (Collections, Strings, Annotations, Interfaces) and other basic concepts.
• Hands-on experience with developing, debugging software in Java Ver 1.8 and above.
• Hands-on with Servlet, Hibernate, Struts, JPA, Spring MVC, Spring Boot
• Excellent in the development of Microservices, understanding, and implementation of Service Mesh, Blue/Green deployments, etc.
• Hands-on experience with HTML/CSS, Javascript, Angular JS
• Experience in NoSQL databases like Document DB, Mongo DB, Cassandra, etc.
• Experience in data caching and platforms like Elastic Cache
• Enhancing the team s understanding of API management platforms, design standards, patterns, and best practices
• Implement DevOps concepts, tools, and continuous delivery pipelines - Bamboo, Jenkins, Maven, Bitbucket, Jira
• Hands-on with version control and code repositories like Git, SVN, etc.
• Ability to debug and solve API implementation issues reported by QA and UI teams.

1. Develop, and maintain Java applications using Core Java, Spring framework, JDBC, and threading concepts.
2. Strong understanding of the Spring framework and its various modules.
3. Experience with JDBC for database connectivity and manipulation
4. Utilize database management systems to store and retrieve data efficiently.
5. Proficiency in Core Java8 and thorough understanding of threading concepts and concurrent programming.
6. Experience in in working with relational and nosql databases.
7. Basic understanding of cloud platforms such as Azure and GCP and gain experience on DevOps practices is added advantage.
8. Knowledge of containerization technologies (e.g., Docker, Kubernetes)
9. Perform debugging and troubleshooting of applications using log analysis techniques.
10. Understand multi-service flow and integration between components.
11. Handle large-scale data processing tasks efficiently and effectively.
12. Hands on experience using Spark is an added advantage.
13. Good problem-solving and analytical abilities.
14. Collaborate with cross-functional teams to identify and solve complex technical problems.
15. Knowledge of Agile methodologies such as Scrum or Kanban
16. Stay updated with the latest technologies and industry trends to improve development processes continuously and methodologies.

Role Overview

We are seeking a proficient Full Stack Developer with expertise in Java and React.js / Angular to join our dynamic team. The ideal candidate will be responsible for developing and maintaining scalable web applications, ensuring seamless integration between front-end and back-end systems.

Key Responsibilities

• Develop and maintain web applications using Java (Spring Boot) and React.js/ Angular.
• Design and implement RESTful APIs and microservices.
• Collaborate with cross-functional teams to define and deliver new features.
• Ensure application performance, scalability, and security.
• Participate in code reviews and maintain code quality standards.

Required Skills

• Strong proficiency in Java, Spring Boot, and React.js / Angular.
• Experience with RESTful APIs and microservices architecture.
• Familiarity with HTML, CSS, JavaScript, and modern front-end frameworks.
• Knowledge of version control systems like Git.
• Understanding of Agile development methodologies.

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.

Role Overview: We are looking for a skilled Workflow Developer/Sr Developer with expertise in JBPM to join our offshore team. The ideal candidate will have extensive experience in developing and managing workflow solutions, with a strong focus on JBPM. This role involves working closely with various departments to ensure seamless integration and functionality of workflow processes.

Key Responsibilities:

 Design, develop, and implement workflow solutions using JBPM.

 Collaborate with cross-functional teams to gather requirements and ensure the workflow solutions meet business needs.

 Optimize and maintain existing workflow systems to enhance performance and reliability.

 Troubleshoot and resolve issues related to workflow processes.

 Provide technical guidance and mentorship to junior developers.

 Stay updated with the latest trends and advancements in workflow technologies and JBPM.

Technical Skills:

 Strong experience in JBPM and workflow management.

 Proficiency in Java and related technologies.

 Experience with BPMN 2.0 and process modeling.

 Knowledge of integration with other systems and tools.

 Familiarity with cloud platforms and deployment processes.

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.

Job Title : Senior Consultant (Java / NodeJS + Temporal)

Experience : 5 to 12 Years

Location : Bengaluru, Chennai, Hyderabad, Pune, Mumbai, Gurugram, Coimbatore

Work Mode : Remote (Must be open to travel for occasional team meetups)

Notice Period : Immediate Joiners or Serving Notice

Interview Process :

• R1 : Tech Interview (60 mins)
• R2 : Technical Interview
• R3 : (Optional) Interview with Client

Job Summary :

We are seeking a Senior Backend Consultant with strong hands-on expertise in Temporal (BPM/Workflow Engine) and either Node.js or Java.

The ideal candidate will have experience in designing and developing microservices and process-driven applications, as well as orchestrating complex workflows using Temporal.io.

You will work on high-scale systems, collaborating closely with cross-functional teams.

Mandatory Skills :

Temporal.io, Node.js (or Java), React.js, Keycloak IAM, PostgreSQL, Terraform, Kubernetes, Azure, Jest, OpenAPI

Key Responsibilities :

• Design and implement scalable backend services using Node.js or Java.
• Build and manage complex workflow orchestrations using Temporal.io.
• Integrate with IAM solutions like Keycloak for role-based access control.
• Work with React (v17+), TypeScript, and component-driven frontend design.
• Use PostgreSQL for structured data persistence and optimized queries.
• Manage infrastructure using Terraform and orchestrate via Kubernetes.
• Leverage Azure Services like Blob Storage, API Gateway, and AKS.
• Write and maintain API documentation using Swagger/Postman/Insomnia.
• Conduct unit and integration testing using Jest.
• Participate in code reviews and contribute to architectural decisions.

Must-Have Skills :

• Temporal.io – BPMN modeling, external task workers, Operate, Tasklist
• Node.js + TypeScript (preferred) or strong Java experience
• React.js (v17+) and component-driven UI development
• Keycloak IAM, PostgreSQL, and modern API design
• Infrastructure automation with Terraform, Kubernetes
• Experience in using GitFlow, OpenAPI, Jest for testing

Nice-to-Have Skills :

• Blockchain integration experience for secure KYC/identity flows
• Custom Camunda Connectors or exporter plugin development
• CI/CD experience using Azure DevOps or GitHub Actions
• Identity-based task completion authorization enforcement

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.