
Company Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai
Experience - 4 to 10 years
Kindly revert over mail if you are interested.
Java Developer – Job Description
We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.
Key Responsibilities
- Design and develop robust backend services and APIs primarily using Java (Spring Boot)
- Contribute to Python-based components where needed for automation, scripting, or lightweight services
- Build, integrate, and optimize RESTful APIs and microservices
- Work with relational and NoSQL databases
- Write unit and integration tests (JUnit, PyTest)
- Collaborate closely with DevOps, QA, and product teams
- Participate in architecture reviews and design discussions
- Help maintain code quality, organization, and automation
Required Skills & Qualifications
- 4 to 10 years of hands-on Java development experience
- Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
- At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
- Familiarity with Python frameworks like Flask or FastAPI is a plus
- Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
- Good understanding of OOP, design patterns, and software engineering best practices
- Familiarity with Docker, Git, and CI/CD pipelines

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: GenAI Intern (Python) - 3 Months Internship (Unpaid)
Location: Ahmedabad (On-Site)
Duration: 3 Months
Stipend: Unpaid Internship
Company: Softcolon Technologies
About the Internship:
Softcolon Technologies is seeking a dedicated GenAI Intern who is eager to delve into real-world AI applications. This internship provides hands-on experience in Generative AI development, focusing on RAG systems and AI Agents. It is an ideal opportunity for individuals looking to enhance their skills in Python-based AI development through practical project involvement.
Eligibility:
- Freshers or currently pursuing BE (IT/CE) or related field
- Strong interest in Generative AI and real-world AI product development
Required Skills (Must Have):
- Basic knowledge of Python
- Basic understanding of Python frameworks like FastAPI and basic Django
- Familiarity with APIs and JSON
- Submission of resume, GitHub Profile/Project Portfolio, and any AI/Python project links
What You Will Learn (Internship Goals):
You will gain hands-on experience in:
- Fundamentals of Generative AI (GenAI)
- Building RAG (Retrieval-Augmented Generation) applications
- Working with Vector Databases and embeddings
- Creating AI Agents using Python
- Integrating LLMs such as OpenAI (GPT models), Claude, Gemini
- Prompt Engineering + AI workflow automation
- Building production-ready APIs using FastAPI
Responsibilities:
- Assist in developing GenAI-based applications using Python
- Support RAG pipeline implementation (embedding + search + response)
- Work on API integrations with OpenAI/Claude/Gemini
- Assist in building backend services using FastAPI
- Maintain project documentation and GitHub updates
- Collaborate with team members for tasks and daily progress updates
Selection Process:
- Resume + GitHub portfolio screening
- Short technical discussion (Python + basics of APIs)
- Final selection by the team
Why Join Us?
- Practical experience in GenAI through real projects
- Mentorship from experienced developers
- Opportunity to work on portfolio-level projects
- Certificate + recommendation (based on performance)
- Potential for a paid role post-internship (based on performance)
How to Apply:
Share your resume and GitHub portfolio link via:
Java/J2EE Developer:
SquareShift is a young and fast-growing cloud consulting company, solving cloud challenges through excellence in technology, thought leadership, and quality in execution. We are based in Singapore, with a world-class engineering team in India.
Founded by serial entrepreneurs, we are a team of tech-enthusiasts who have strong expertise in enterprise product development and cloud technologies. As an early and core member of the team, you will work with founders and will own the organization's business development efforts.
- 5+ years of experience in Java and J2EE
- Expertise in Object Oriented Programming and Design Patterns
- Experience with Web Services (SOAP/REST), JMS, XML
- Experience working with relational databases like Oracle, MSSQL
- Proficient in writing SQL Queries and knowledge on PL/SQL
- Experience with multi-tiered application architecture
- Knowledge of writing secure and optimized code
- Experience with Version Control Systems preferably GIT
- Working experience of build and continuous integration tools – MAVEN and JENKINS
- Strong knowledge of unit testing technologies – JUNIT
- Exceptional defect analysis, triaging and fixing skills
- Experience in Agile Software Development (Scrum or Kanban)
Skills Required:
- Good experience with programming language Python
- Strong experience in Docker.
- Good knowledge with any of the Cloud Platform like Azure.
- Must be comfortable working in a Linux environment.
- Must have exposure into IOT domain and its protocols ((Zigbee & BLE ,LoRa,Modbus)
- Must be a good team player.
- Strong Communication Skills

- Interest in our tech stack (Java or Scala, SQL Databases, NoSQL, Microservices, and AWS)
- Strong computer science fundamentals with data structures, algorithms, various programming languages, distributed systems, etc.
- Understanding of engineering best practices—you constantly seek to improve engineering standards, tooling and processes
- Ability to write “good code” - easily understandable, secure and testable!
- Comfortable helping drive technical decisions within our Engineering team
- Experience building applications at scale
Key Skills Required :
- Proficiency in Python 3.x based web and backend development
- Solid understanding of Python concepts
- Strong experience in building web applications using Django
- Experience building REST APIs using DRF or Flask
- Experience with some form of Machine Learning (ML)
- Experience in using libraries such as Numpy and Pandas
- Hands on experience with RDBMS such as Postgres or MySQL including querying
- Comfort with Git repositories, branching and deployment using Git
- Working experience with Docker
- Basic working knowledge of ReactJs
- Experience in deploying Django applications to AWS,Digital Ocean or Heroku
Responsibilities :
- Understanding requirement and congributing to engineering solutions at a conceptual stage to provide the best possible solution to the task/challenge
- Building high quality code using coding standards based on the SRS/Documentation
- Building component based, maintainable, scalable and reusable backend libraries/modules.
- Building & documenting scalable APIs on the Open Spec standard
- Unit testing development modules and APIs
- Conducting code reviews to ensure that the highest quality standard are maintained
- Securing backend applications and APIs using industry best practices
- Troubleshooting issues and fixing bugs raised by the QA team efficiently.
- Optimizing code
- Building and deploying the applications
Responsibilities:
- Your primary responsibility as a senior backend engineer will be to architect and develop a scalable and robust micro-services backend with strong Java, Spring(Boot), SQL, AWS/GCP.
- Experience being part of a software development team in an Agile/Lean/Continuous Delivery environment
- Be a key performer in a high-performance product engineering team
Qualifications:
- 2 to 4 years of overall IT experience. Most of this experience in Java (Core Java, Spring boot, Java collections, Java Multithreading)
- Should have experience designing database schemas - SQL and NoSQL.
- Exposure to frameworks like Spring, Hibernate, Play would be a plus
- Experience with microservices architecture would be beneficial.
- Working knowledge of any public cloud (AWS, GCP or Azure)
- Broad understanding and experience of real-time analytics, NoSQL data stores, data modeling and data management, analytical tools, languages, or libraries
- Knowledge of container tech like Docker, Kubernetes would be a plus.
- Bachelor's Degree in Computer Science or Engineering.
- Well versed in Core Java, OOPs concepts, collections, multi-threading, concurrency, lambdas, and streams.
- Hands-on knowledge of Spring Core, MVC, JPA, Security, transaction
- Working knowledge of REST API designing as well as development, using Spring.
- Exposure to Spring Boot, Docker, Kubernetes, OpenShift for the microservices environment.
- Savvy with SQL and database concepts.
- Ability to use frameworks like JUnit, Mockito, etc., for implementing unit testing.
- Sound understanding of code versioning tools, such as Git/bit bucket with Maven.
- Should have worked in a CI/CD environment with TeamCity/Jenkins.







