
About Wissen Technology
Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains.
For more details:
Website: www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: Wissen Technology
Role: Java Backend Developer with AWS
Key Responsibilities
● Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem.
● API Design: Develop and document RESTful for consumption by web and mobile frontends.
● Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases.
● Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency.
● Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito).
● Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes.
● Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications.
Required Technical Skills
● Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API.
● Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate.
● Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS).
● Messaging: Experience with message brokers like Apache Kafka for asynchronous processing.
● CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions.
● Version Control: Expert-level knowledge of Git and branching strategies.
Qualifications & Soft Skills
● Experience: 5+ years of professional experience in backend development.
● Problem Solving: Ability to debug complex production issues and performance bottlenecks.
● Communication: Excellent verbal and written communication skills—vital for a remote/hybrid contractor setup.
● Adaptability: Proven ability to quickly learn new codebases and business domains.

About Wissen Technology
About
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.
With offices in 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. 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.
Connect with the team
Similar jobs
Job Title : Senior Java Software Engineer
Experience : 5 to 10 Years
Location : Gurugram (Full-time)
Working Days : 5 Days (Monday to Friday)
Job Description :
- We are looking for a skilled and experienced Senior Java Software Engineer to join our dynamic team.
- The ideal candidate will have 5 to 10 Years of hands-on experience in Software Development, with a proven experience as Java Developer with a strong focus on Spring and Spring Boot, Relational Databases and AWS technologies.
- Strong understanding of monolithic & microservices architecture. You will play a crucial role in designing, developing, and maintaining our applications.
- Ensuring their performance, quality and responsiveness.
Key Responsibilities :
● Design, develop, and maintain scalable applications using Java, Spring and Spring Boot.
● Develop and manage relational databases. Should be able to write complex SQL queries.
● Ensure the best possible performance, quality, and responsiveness of the applications.
● Have strong debugging skills to identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.
● Deploy, manage, and scale applications on AWS.
● Conduct code reviews and integration testing to ensure software quality and reliability.
● Collaborate with front-end developers to integrate user-facing elements with server-side logic.
● Collaborate with cross-functional teams to define, design, and ship new features.
● Stay updated with emerging technologies and industry trends.
Qualifications :
● Bachelor’s degree in Computer Science, Information Technology, or a related field.
● 5 to 10 Years of experience in Software Development.
● Proficient in Java 8+, Spring and Spring Boot.
● Experience with PostgreSQL, MySQL or other relational databases.
● Experience with microservices architecture.
● Understanding of Rest API design and development.
● Hands on experience with Unit Testing frameworks such as Junit, Mockito.
● Experience with version control systems such as Git.
● Solid understanding of object-oriented programming.
● Strong problem-solving skills and attention to detail.
● Excellent communication and teamwork skills.
Preferred Qualifications :
● Strong knowledge of AWS services and best practices.
● Knowledge of containerization technologies like Docker and Kubernetes.
● Familiarity with CI/CD pipelines and DevOps practices.
Job Title: Senior Java Developer
Location: Mumbai (On-site)
Notice Period: Immediate Joiners Preferred / 15 Days or Less
Job Description:
We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.
Key Responsibilities:
- Lead end-to-end design, development, and deployment of Java applications
- Translate functional and technical requirements into detailed design
- Build scalable, secure, and high-performing applications
- Develop and consume RESTful APIs and ensure seamless integration
- Implement microservices architecture and containerized deployments
- Write clean, efficient, and well-documented code
- Perform code reviews, debugging, and performance tuning
- Collaborate with DevOps for CI/CD and production deployments
- Guide junior developers and conduct knowledge-sharing sessions
- Stay updated on new technologies and industry trends
Required Technical Skills:
- Languages & Frameworks:
- Core Java, J2EE
- Spring Framework (Spring Boot, Spring MVC, Spring Security)
- Hibernate / JPA
- Apache Maven / Gradle
- API Development & Integration:
- RESTful APIs, JSON, Swagger/OpenAPI
- Databases:
- MySQL, PostgreSQL, Oracle
- MongoDB, Redis (preferred)
- Frontend Exposure (Optional but Preferred):
- HTML, CSS, JavaScript, jQuery
- Angular / React
- Tools & Platforms:
- Git, GitHub / GitLab / Bitbucket
- Jenkins, Docker, Kubernetes (basic knowledge)
- SonarQube, Log4j, ELK stack (preferred)
- Cloud & DevOps (Good to Have):
- AWS (EC2, S3, Lambda, RDS), Azure or GCP
- CI/CD pipeline setup
- Architecture & Patterns:
- Microservices, MVC, Design Patterns
- Event-driven architecture (Kafka/RabbitMQ is a plus)
- Testing:
- JUnit, Mockito
- Postman, REST Assured
Soft Skills:
- Excellent problem-solving and debugging skills
- Strong communication and collaboration abilities
- Ability to lead and mentor a team
- Time management and task prioritization
- Adaptable and quick learner
Qualifications:
- Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
- 5+ years of relevant software development experience
- Relevant certifications (Oracle Java, AWS, PMP) are a plus
Eligibility Criteria:
- Must be currently residing in Mumbai
- Must be able to join within 15 days or less
- Immediate joiners preferred
Role
We are looking for an Associate Software Engineer - Java with experience in building high-performing, scalable, enterprise-grade applications.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure development is in compliance with specifications
- Prepare and produce releases of software components
Qualifications
- BSc/BE/BTech in Computer Science, Engineering, or a related field
- 2+ years Experience with Java
- Experience in Spring boot Framework
- Experience with REST- JSON, SOAP/XML is mandatory
- Proven working experience in Java development
- Experienced in Server Side Java, J2EE, Servlets, Spring/Spring boot, JAXB, JAX-WS, MySQL/PostgreSQL, Junit
- Knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate).
- Hands-on experience in designing and developing applications using Java EE
- Platforms with Open Source Frameworks - Spring/Spring boot, XML, Integration with SOAP and RESTful Web Services, WS security.
- Strong knowledge of Ruby on rails framework.
- Strong Knowledge of coding languages, like PERL, Python and Ruby.
- Good knowledge of Relation and NoSQL databases. like MySQL, Postgres, NoSQL etc.
- Knowledge of Microservices development and AWS concept will be an added advantage.
- Ready to adopt new technologies and implement them in project.
SpringBoot
Microservice
Spring
Hibernate
NP- Immediate to 15 Days
Location-Bangalore & Hyderabad (Post pendami)
non-metro and rural markets. DealShare has raised series C funding of USD 21 million with key investors like WestBridge Capital, Falcon Edge Capital, Matrix Partners India, Omidyar Network, Z3 Partners and Partners of DST Global and has a total funding of USD 34 million.They have 2 million customers across Rajasthan, Gujarat, Maharashtra, Karnataka and Delhi NCR with monthly transactions of 1.2 million and annual GMV of $100 million. Our aim is to expand operations to 100 cities across India and reach annual GMV of USD 500 Million by end of 2021.
They started in Sept 2018 and had 5000 active customers in the first three months. Today
we have 25K transactions per day, 1 Lakh DAU and 10 Lakh MAU with a monthly GMV of INR 100 Crores and 50% growth MoM. We aim to hit 2 Lakh transactions per day with an annual GMV of 500 Million USD by 2021.
We are hiring for various teams in discovery (search, recommendation, merchandising,
intelligent notifications) , pricing (automated pricing, competition price awareness, balancing revenue with profits, etc), user growth and retention (bargains, gamification), monetisation (ads), order fulfillment (cart/checkout, warehousing, last mile, delivery promise, demand forecasting), customer support, data infrastructure (warehousing, analytics), ML infrastructure (data versioning, model repository, model training, model hosting, feature store, etc). We are looking for passionate problem solvers to join us and solve really challenging problems and scale DealShare systems
You will:
● Implement the solve with minimal guidance after solutioning closure with senior engineers.
● Write code that has good low level design and is easy to understand, maintain, extend
and test.
● End to end ownership of product/feature from development to production and fixing
issues
● Ensure high unit, functional and integration automated test coverage. Ensure releases
are stable.
● Communicate with various stakeholders (product, QA, senior engineers) as necessary to
ensure quality deliverables, smooth execution and launch.
● Participate in code reviews, improve development and testing processes.
● Participate in hiring great engineers
Required:
● Bachelor’s degree (4 years) or higher in Computer Science or equivalent and 1-3 years
of experience in software development
● Excellent at problem solving, is a self thinker.
● Good understanding of computer science fundamentals, data structures and algorithms
and object oriented design.
● Good coding skills in any object oriented language (C++, Java, Scala, etc), preferably in
Java.
● Prior experience in building one or more modules of large-scale, highly available, low
latency, high quality distributed system is preferred.
● Extremely good at problem solving, is a self thinker.
● Ability to multitask and thrive in a fast paced timeline-driven environment.
● Good team player and ability to collaborate with others
● Self driven and motivated, very high on ownership
Is a plus
● Prior experience of working in Java
● Prior experience of using AWS offerings - EC2, S3, DynamoDB, Lambda, API Gateway,
Cloudfront, etc
● Prior experience of working on big data technologies - Spark, Hadoop, etc
● Prior experience on asynchronous processing (queuing systems), workflow systems.
Experience: 5-8 Years
Job Description:
Key Responsibilities:
- Determine the appropriate approach for new software assignments
- Provide solutions to overcome complex problems using the latest technologies
- Developing high-quality and detailed designs, Identify, prioritize and execute tasks in the software development life cycle
- Proactively communicate with the client to get things done within the deadline.
- Develop tools and applications by producing clean, efficient code.
- Automate tasks through appropriate tools and scripting
- Provide high-level maintenance and update of an existing applications to improve functionality and process flow
- Oversee the maintenance of technical documentation of applications as architecture, code, and procedures
Primary Skills:
- 3+ Experience with RPA software (UiPath) (ONLY/MANDATORY)
- Experience in programming .NET (C# or VB), Java + Node.JS-based programming
- UiPath RPA Implementations and Working Knowledge: Studio, BOTs, Orchestrators, RE Framework and Three E2E Implementations as a Core RPA Developer.
- Skill with scripting languages such as VBA/VBS, Python, NodeJS and JavaScript
- Proficiency with Microsoft Power Platform, SQL and NoSQL database experiences
- Orchestrator configuration and component usage knowledge
- hands on experience of orchestrator queue and load distribution
- Proficiency with JIRA, Jenkins, Github, Artifactory and CI/CD development
- Excellent analytical and problem-solving skills, including business process expertise
- Experience developing design documents for automation processes
Education Required: B.Tech or B.E. or MCA or MSC from a recognized college or institute
Are you a high-performing, collaborative, results-oriented and technologically savvy person who is keen on sales in the digital industry? Then this highly visible role is for you!
Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories, and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment and maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen the doctor-patient relationship and enhance the in-clinic experience.
As the Sr. Java Developer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot-based programs, and data analytics
What you will do:
- Building components for the companys advanced health-tech platform using Java, Solr, SpringBoot, DialogFlow
- Communicating effectively in a cross-functional product development team and presenting ideas and solutions effectively
What you need to have:
- Education: B.Tech with Min. 65% marks
- Expert at hands-on programming in JAVA and J2EE
- Proven expertise in Java interfaces with MongoDB (or similar NoSQL databases) as well as relational databases (MySQL, Postgres, etc)
- Key contributor in atleast one 6+ months development project involving SpringBoot and Hibernate
- Strong understanding of application server infrastructure
- Good working knowledge of Maven-based build systems
- Good understanding of build and deployment pipelines that involve ANT and Jenkins
- Proficient understanding of code versioning tools, such as Git or SVN
- Good knowledge of working on Rest APIs, Webservices
- Excellent problem-solving skills
Desired Attributes
- Hands-on experience with Lucene/Solr
- Familiarity with DiagFlow based chatbot building
- Knowledge of NLP
- Learned AI/ML systems
- Excellent interpersonal skills and the ability to build good working relationships.
- Must be self-motivated to prioritize and manage workload and meet critical project milestones and deadlines.
- Able to effectively collaborate with a team as well as take initiative and work independently to solve problems
About the work from home job/internship
1. Work on backend development
2. Work on application and web development and api development
3. Work on programming languages like JavaScript, PHP, Ruby, Python, Java
4. Work on modern JS frameworks such as React.js, Node.js, and Angular.js
5. Work to implement server-side or application logic, develop databases, and design architectures
- Have architected /designed at least 2-3 systems/products of enterprise scale from scratch.
- Have banking and Financial service background and preferably worked in Mobile/Digital platform design and development. Payments /OLTP preferred.
- Should have experience of 20+ years with J2ee, REST, Microservice, API, Messaging, Encryption, security, NLP, ML background.
- Have 7+yrs of experience in Architecture field, designing and end to end not from consulting Architecture.
- Responsible for design, architecture, and delivery of a feature or component/product with the highest quality with high-level directions from architects
- Driving innovations in the platform constantly & remaining ahead of the curve
- Development and testing of features/functions delivered via applications and services.
- Prototype ideas quickly using cutting edge technologies.
- Collaborating with peers and Architects both within their team and across the organization to deliver end-to-end products & features
- Working with product managers using agile methodologies to deliver high quality solutions on time
- Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
- Working with operations teams to ensure your applications and services are highly available and reliable
- Mentoring junior engineers in the team both in the technical as well as on the product side
- Define and devise processes, tools and methodologies to achieve excellence in software development, testing and deployment, and in the management of the Centre.
- Good experience in working with any of the programming languages like PHP, Python, Django, Golang, Java, C++
- Experience developing applications that use high volume of data along with experience building applications on top of RESTful APIs.
- Solid knowledge of JAVA, J2EE, data stream, processing, big data etc.
- Comfortable with writing unit tests using JUnit
- Worked with Git and are comfortable with Merge/Rebase concepts.
- Worked with tools such as Eclipse, WebStorm, Ant, Maven, Jenkins, Sonar, JSLint, Grunt and App Servers such as Tomcat, Jboss.
- Solid knowledge of algorithms, design patterns, and componentization approaches.
- Experience and knowledge of open source software, frameworks and broader cutting-edge technologies.
- Experience in software design patterns, problem solving and troubleshooting skills.
- Ability to determine impact of architectural solutions and recommendations.
- Must have experience in justification of technology solutions to business leaders.
- Experience in refactoring existing codebase and in understanding existing implementations to decide to refactor or rewrite.
- Know how to identify Performance bottlenecks and use good coding patterns to avoid them in the first place.
- Have strong attention to detail.
- Ability to operate effectively both independently as well and within a team using Agile methodology.
- Proven problem-solving and interpersonal communication skills.
- Knowledge of payment domain will be an added advantage
Qualifications
- BE/BTech/ME/MTech in EE/CS or an equivalent qualification.
- 20+yrs of Experience.
- Minimum 12+years of hands on Java programming experience.










