Wissen Technology is hiring for Senior Java Developer
About Wissen Technology:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients with the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Job Summary:
We are looking for a Senior Java Developer with strong expertise in Java, Spring, Spring Boot, Hibernate, and SQL. The ideal candidate should have experience in designing, developing, and optimizing enterprise applications, with a focus on database query optimization and application performance tuning.
Experience: 8 - 12 Years
Location: Bangalore
Mode of Work: Full Time
Education: B.Tech/M.Tech in Computer Science or related field
Key Responsibilities:
Design, develop, and maintain enterprise applications using Java, Spring, Spring Boot, and Hibernate.
Develop and consume RESTful APIs and microservices.
Write, optimize, and troubleshoot complex SQL queries and database objects.
Analyze and improve application and database performance through query optimization, indexing, and performance tuning.
Participate in code reviews, technical design, debugging, and production support.
Collaborate with cross-functional teams in an Agile environment.
Required Skills
8–12 years of experience in Java application development.
Strong hands-on experience with Java, Spring, Spring Boot, and Hibernate/JPA.
Proficiency in SQL and relational databases (Oracle, SQL Server, PostgreSQL, or MySQL).
Experience in SQL query optimization, indexing, execution plan analysis, and database performance tuning.
Knowledge of REST APIs, Microservices, Maven/Gradle, Git, and JUnit.
Familiarity with CI/CD tools and Agile methodologies.
Wissen Sites:
Website: www.wissen.com
LinkedIn: https://www.linkedin.com/company/wissen-technology
Wissen Leadership: https://www.wissen.com/company/leadership-team/
Wissen Live: https://www.linkedin.com/company/wissen-technology/posts/feedView=All
Wissen Thought Leadership: https://www.wissen.com/articles/
Skills Required
- 8-12 years of experience in Java application development
- Strong hands-on experience with Java, Spring, Spring Boot, and Hibernate or JPA
- Proficiency in SQL and relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL
- Experience with SQL query optimization, indexing, execution plan analysis, and database performance tuning
- Knowledge of REST APIs, microservices, Maven or Gradle, Git, and JUnit
- Familiarity with CI/CD tools and Agile methodologies
- B.Tech or M.Tech in Computer Science or a related field
What We Do
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
