

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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We create Data oriented enterprise applications. The applications must be scalable and robust. This position creates the exact kind of enterprise applications which are easy to configure and manage from the end-user perspective. The integration with all the different services and APIs plays an important part in the whole architecture.
Eligibility
Experience and Qualification
- 2-5 Years of experience with Drools/Kofax Workflow.
- Java Microservices: 2-3 years Spring Boot, Spring Integration or Batch.
- Working knowledge of Databases
- Design and develop high-volume, low-latency applications for critical systems, delivering high-availability and performance.
- Write well designed testable, efficient code, and ensure that the designs comply with specifications.
- Bachelor's Degree in Computer Science or equivalent
Must Have Skills
- Java
- Drools
- Any Relational Database
- GIT

Your Role
We at Innovaccer are looking for Software Development Engineer-II (Backend) to build the most amazing product experience. You’ll get to work with other engineers to build delightful feature experience to understand and solve our customer’s pain points.
A Day in the Life
- Building efficient and reusable applications and abstractions.
- Identify and communicate back-end best practices.
- Participate in the project life-cycle from pitch/prototyping through definition and design to build, integration, QA and delivery
- Analyse and improve the performance, scalability, stability, and security of the product
- Improve engineering standards, tooling, and processes
What You Need
- 3+ years of experience with a start-up mentality and high willingness to learn
- Solid knowledge of Python and experience with any web framework (Django, etc)
- Aggressive problem diagnosis and creative problem-solving skill
- Experience in Web Services and REST.
- Experience in RDBMS & NoSQL database.
- Experience in Solution Architecture.
- Proven experience with Git.
- Knowledge of high-level JavaScript concepts like asynchronous programming, closures, promises, data-binding, async-await, etc.
- Bachelor's degree in Computer Science/Software Engineering.
Preferred Skills
- Expert in Python and Django Code Reviews
- Server Deployment
- Mongo DB/Postgres SQL DB
- JIRA Administration
What We Offer
- Industry-focused Certifications: We want you to be a subject matter expert in what you do. So, whether it’s our product or our domain, you will dive straight in and be certified by the best in the world.
- Quarterly Rewards and Recognition Programs: We foster learning and encourage people to take moonshots. When you achieve your goals, we recognize and reward your hard work.
- Health Benefits: We cover health insurance for you and your loved ones.
- Sabbatical Policy: We encourage people to take time off and rejuvenate, upskill and pursue their interests so that they can generate new ideas for innovating at Innovaccer.
- Pet-friendly office and open floor plan. No mundane cubicles.

● You’ve been building scalable backend solutions for web applications.
● You have experience with any of these backend programming languages -- Python,
NodeJS or Java.
● You write an understandable, very high quality, testable code with an eye towards
maintainability.
● You are a strong communicator. Explaining complex technical concepts to designers,
support, and other engineers is no problem for you.
● You possess strong computer science fundamentals: data structures, algorithms,
programming languages, distributed systems, and information retrieval.
● You have completed a bachelor's degree in Computer Science, Engineering or related
field, or equivalent training, fellowship, or work experience.
Job Title: Java Developer
Department: Technology and Research
Location: Mohali, Punjab
Reports to: Technical Lead
Context
Sampana Digital (SDPL) (http://www.sampanadigital.com">www.sampanadigital.com) is a digital technology company that provides end-to-end product engineering and digital transformation services. Our engineering services includes web & mobile application development, user experience design, cloud, testing and infrastructure managed services to transform businesses digitally. We also enable enterprises with contextual and personalized two-way multi-channel mobile communications, including SMS, voice, email and PWA technology.
We believe in small teams of smart, committed, and diverse individuals coming together and form a breakthrough insight. We are a team of passionate professionals to craft an unbeatable culture and services.
Come and join us!
Role Description
The successful candidate will be a pro-active problem solver, quick learner and will provide technical leadership and solution ownership. This candidate should have a passion for technology and should be looked at as a “technical guru” who champions their design, coding and implementation strengths and prides themselves on their development expertise. The successful candidate will join a team that develops and integrates enterprise e-commence and e-transaction systems for a diverse client base.
Job Responsibilities
- The successful applicant will be responsible for the technical delivery of all development assignments allocated to him in a timely fashion, while meeting rigorous quality targets.
- FSLC (Full Systems Life Cycle) programming in Java of scalable, maintainable, and well documented solutions based on Java
- Unit testing of code - Working with very large and complex SQL databases
- Troubleshooting through resolution of technical issues and system errors
- Performing testing, documentation, and mentoring/grooming/coaching less technical staff where applicable
- Work with Architects, Project Managers, and other Developers to estimate the level of effort necessary to implement assigned work packages.
- Write efficient, clean, tested code that follows high standards and quality requirements
Skills
Specific skillset required
- 1-2 years of enterprise application development experience with at least 1 year experience with Java/J2EE Technologies.
- Proficient in Java 8, with a good knowledge of java ecosystems
- Proven working experience in SQL and Database programming (MySQL, etc.)
- Development experience in Restful Web Services using Spring Framework
- Development experience using any ORM (JPA/Hibernate)
Good to have:
- Have knowledge of design pattern, which includes java, j2ee design pattern.
- Web development experience using HTML5, CSS and AJAX/JQuery and Angular preferred.
- Demonstrable working knowledge of CI/Build tools like Maven, Ant and Jenkins
- Proficient understanding of code versioning tools, such as Git/Bitbucket.
- Familiarity with mainstream application servers like Apache Tomcat, WebSphere 8.0.
- Have working knowledge of LINUX commands and scripting.
- Experience developing and deploying solutions/applications across various environments (on premises and cloud (AWS ,Azure, Alibaba, GCP etc.)
Immediate Joiners only.
JD:
Hands on Experience in Java, Advanced java ,JSP Servelets, Core java,
spring , hibernate , J2EE , springboot.
Experience into Restful Web services and Database like MS sql.
Should be able to work independently.
Should be able to work with team.
Employment Type
Location- PAN India
must know Core Java,Eclipse
immediate joiner
NP - 15 dayss or less
We are looking for passionate and self-driven Software Engineers to join our Bangalore engineering center. You would be responsible for designing and developing world-class and truly differentiated software products in the online travel space.
Primary Responsibilities:
- Development & maintenance of Cleartrip’s product lines
- Involved in entire lifecycle including analysis, development, fixing, and monitoring of issues on the assigned Cleartrip product lines
- Unit test cases – Review and writing
- 2+ years of Product Development experience
- Java, Spring Framework preferred
- Solid experience with databases (Oracle/MySQL) – a must
- Excellent OO and design skills
- Experience with Test Driven Development within a continuous Integration environment (Lunt, CruiseControl, etc)
- BE/B.Tech Computer Science Personality Traits/Attributes:
- Excellent communication skills
- Excellent interpersonal skills – team player & desires to works closely with teammates, QA & product teams
- Problem-solving skills – Ability to research, analyze & find solutions independently.


- 5+ years experience
- Previously managed a team
- Built & managed backend systems from scratch previously.
- Lead the core backend engineering team, including mentoring, coaching, architecture, devops, code review and software infrastructure
- Should be more proficient with Django.
- Work with the executive team to shape and execute the product roadmap
- Direct our team environment to achieve sprint deliverables and acceptance criteria
- Design and monitor metrics to assess product and infrastructure performance
- Hire, build and shape the team




