Senior Java Developer at Wissen Technology Ā· Mumbai Ā· 8 - 15 years Ā· Profitable Ā· Posted 7 Jan 2026
Java
Spring Bootš§ Ā Job Description: Senior Java Developer (8+ Years Experience)
Location:Ā Mumbai, India
Employment Type:Ā Full-time, Hybrid mode of working
Company:Ā Wissen Technology
Website:Ā www.wissen.com
š About Wissen Technology
Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.
- š Offices in US, UK, India, Australia, Mexico, and Canada
- š„ 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
- š Great Place to WorkĀ® Certified
- š§ Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
- š Achieved 400% revenue growth in 5 years (with zero external funding)
- š¼ Delivered $1B+ worth of projects to 50+ Fortune 500 companies
Learn more about our work and thought leadership:
šĀ Articles by WissenĀ | š¼Ā LinkedIn
About the Role
We are seeking an experiencedĀ Senior Java DeveloperĀ with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals inĀ Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.
Key Responsibilities
- Design, develop, and maintain complex applications usingĀ Core JavaĀ andĀ Spring frameworks
- Apply advancedĀ Object-Oriented Programming (OOPS)Ā principles to deliver clean, modular, and reusable code
- Implement and optimizeĀ multithreaded applicationsĀ for high-performance systems
- Work withĀ SQL databasesĀ for efficient data modeling, query optimization, and integration
- Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
- Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
- Mentor junior developers and contribute to technical knowledge sharing within the team
- Ensure application scalability, performance tuning, and security compliance
Required Skills & Qualifications
- Bachelorās/Masterās degree in Computer Science, Engineering, or related field
- 8+ years of professional experience inĀ Java development
- Strong expertise inĀ Core Java, OOPS, and Multithreading
- Hands-on experience withĀ Spring conceptsĀ (Spring Core, Spring MVC, Spring Boot preferred)
- Proficiency inĀ SQLĀ and database design (MySQL, Oracle, PostgreSQL, etc.)
- Solid understanding of software development life cycle (SDLC) and Agile methodologies
- Strong analytical, problem-solving, and communication skills
š Why Wissen?
Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.
Shubham Vishwakarma
Full Stack Developer - Averlon
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 WorkĀ®. 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.
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