Java +AWS + AI at Wissen Technology · Bengaluru (Bangalore), Mumbai, Pune · 5 - 12 years · Profitable · Posted 29 Jul 2026

The AI Specialist candidate should have the following skills:
Must-have:
- Proficiency in Java
- Experience with LLMs, prompt engineering, and RAG architectures
- Familiarity with AWS cloud platform
- Strong analytical and problem-solving skills
- Ability to communicate complex technical concepts to non-technical stakeholders

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
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Job Title: Java Developer
Location: Chennai
Experience: 3+ Years
Employment Type: Full-time
Job Description:
We are looking for a skilled and passionate Java Developer with a strong foundation in Core Java and Object-Oriented Programming concepts. The ideal candidate should possess excellent communication skills and have hands-on experience with multi-threading, collections, databases, and backend development frameworks like Spring and Spring Boot. Exposure to cloud platforms and frontend technologies is a plus.
Key Responsibilities:
- Design, develop, and maintain scalable Java applications using Core Java and Spring Boot.
- Apply strong knowledge of Java Collections Framework and concurrent programming techniques including ExecutorService, ForkJoinPool, and other threading mechanisms.
- Optimize JVM performance and memory usage.
- Participate in all phases of the software development lifecycle: requirement gathering, design, development, testing, and deployment.
- Write clean, maintainable code following best practices, coding standards, and design patterns.
- Conduct code reviews, unit testing, and participate in peer programming.
- Collaborate effectively with team members and stakeholders to deliver high-quality solutions.
- Interact with databases like Oracle, Sybase, or SQL Server, with a strong understanding of views, triggers, indexing, and stored procedures.
Must-Have Skills:
- 3+ years of hands-on experience in Core Java
- Strong understanding of Collections, Multithreading, and Concurrency
- Proficient in Spring Framework, especially Spring Boot
- Deep understanding of Object-Oriented Design and Data Structures
- Strong experience in RDBMS (Sybase/Oracle/SQL Server) including indexing, replication, CLOB/BLOB types, views, and procedures
- Excellent written and verbal communication skills
Good to Have:
- Exposure to Microservices architecture
- Familiarity with NoSQL databases
- Knowledge or willingness to work on frontend technologies
- Experience working with public cloud platforms (AWS, Azure, GCP)
Soft Skills:
- Strong analytical and problem-solving skills
- Team player with a proactive attitude
- Ability to work independently and in a fast-paced environment
If you are passionate about Java development and want to work on cutting-edge technologies in a collaborative environment, we would love to hear from you.
Let me know if you want this converted into a company-branded format or with CTC/NP details added.
Role and Responsibilities:
As a Software Developer, you will be primarily involved in developing new features & fixing the bugs for our apps built to work with the Atlassian products. You will work closely with the product team to understand customer needs & co-ordinate with QA/Release management teams for maintaining quality of delivery.
Must have KSA (Knowledge Skills Abilities):
Hands on experience in JAVA
Spring MVC framework
CSS / HTML / Java Script
Should have knowledge of databases and must have used any of Postgres / SQL server/ My SQL/ Oracle
Additional KSA for advantage:
Knowledge or hands on experience of ReactJS
Knowledge of bug tracking tool Jira
Experience in web services development
Responsibilities:
Writing and implementing efficient code
Unit test driven development
Should be able to interpret requirements and suggest solutions to implement them
Must be able to break big stories in to smaller tasks and estimate
We are looking for a Backend Developer who has 4-6 years of experience in designing, developing, and implementing backend services using Python and Django.
- Responsibilities-
- Design highly scalable, testable code and follow Test Driven Development methodology
- Able to write well-organized, modularised code with test cases.
- Contribute to the design and architecture of our backend APIs and deployment of microservices
- Ensure adherence to engineering best practices and maintain the overall quality of our codebase.
- Work with the product team to translate powerful ideas into everyday business value.
- Skills-
- Back-end programming language: Python
- Familiarity with Django or Flask framework
- Familiarity with AWS and Elastic Search
- Experience in SQL and NoSQL databases with an insight into various data modeling use cases
- Experience with system & unit testing
- Familiarity with containerized deployment
- Proficiency with Git
- Sound with data structures and algorithms and have a good understanding of design patterns, software architectures
Who are we looking for?
A passionate developer
What’s non-negotiable?
- Strong working knowledge of OOPS
- Functional programming principles
- Strong believer of Clean Code practices
- An advocate of TDD, BDD, SOLID, CI/CD, Lean development
You’ll easily settle in if:
You come from a strong Java/J2EE background with web application frameworks like Spring Boot or Drop wizard
You have ample work experience in Caching, Multi-Threading, Asynchronous APIs, Exception Management and use of collections, Mocking, Unit testing tools like Junit & TestNG"
You are fluent with version control tools like GIT and Bitbucket
Experience with Continuous Integration, Continuous Deployment, Static Code Analysis, Jenkins and SonarQube
Willingness to take ownership of the technical solution and ensure technical expectations of deliverables are met.
Exposure to AWS/Azure cloud and containerization
Have a good Understanding of Distributed Application Architecture.
You ‘ll love:
Awesome opportunity to work with Micro Services architecture getting shipped on Cloud.
Experience in working with automated build deploy powered by Code Analysis, Automated Tests, Functional and Nonfunctional analysis, Blue Green deployment and much more
First-hand experience on broader enterprise application concerns like Message Bus, Queues, Caches, Concurrency and Parallelization
Strong technical background in Java, spring (MVC), RESTFUL Web services and Postgres DB
Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
Validating user actions on the client side and providing responsive feedback
Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed












