Java Developer at Wissen Technology · Bengaluru (Bangalore) · 2 - 10 years · Profitable · Posted 23 May 2025

- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.

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
Similar jobs (10)
Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts
JOB DESCRIPTION
Experience: 4-9 years
Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. 4-9 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Experience: 3-5 years
Wissen Technology is now hiring for a Java Developer (with Azure) - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3-5 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
JOB DESCRIPTION
Experience: 4+ years
Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. 4+ years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Job Summary:
We are seeking highly skilled Java Developers with hands-on experience in developing
enterprise-scale applications, preferably within the financial services domain. The role
requires expertise in Core Java, Microservices, and high-performance server-side
development.
Key Responsibilities:
• Design, develop, and maintain enterprise-scale n-tier applications in the financial
domain.
• Develop complex, low-latency, client-facing applications with a focus on performance
and scalability.
• Work with Microservices architecture, Data Structures, OOPs, Algorithms, and
Multithreading.
• Perform high-level and low-level design for critical applications.
• Collaborate with cross-functional teams to define, design, and deliver new features.
• Ensure best practices in coding, architecture, and application performance.
Requirements:
• Strong experience in Core Java 5.0 and above, Spring, and CXF.
• Extensive experience in enterprise application design patterns and architecture.
• Strong development experience with RDBMS (preferably Sybase).
Experience: 7+ years
Location: Mumbai
Mode of Work: Hybrid
• Hands-on expertise in multithreading and high-volume server-side applications.
• Experience in sales and trading platforms in investment banking/capital markets.
• Basic working knowledge of Unix/Linux.
• Excellent problem-solving and coding skills in Java.
• Strong interpersonal, communication, and analytical skills.
• Ability to express design ideas and collaborate effectively with teams
Must have
Experience in the Core Java development
Good understanding of Object Oriented Design, Design Patterns and data structure algorithms
Experience in Multi-threading, Hashmaps, Collection arrays
Experience in Java collections
Experience in developing applications using Spring Boot
Proficient in building Micro Services with Java 1.8 or higher, J2EE, Spring, Spring Boot.
Proficient with No SQL and Relational Databases
Hands on experience in Unit testing frameworks like Junit / Mockito OR TDD
Job Description:
We are looking for experienced Java professionals with strong backend development experience to join our technology team. The ideal candidate should have hands-on experience in Java, Spring Boot, Microservices, and related backend technologies.
Key Responsibilities:
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Develop and integrate RESTful APIs and Microservices.
- Work with Kafka for event-driven architecture and messaging.
- Write clean, efficient, and maintainable code.
- Troubleshoot and resolve application issues.
- Collaborate with frontend, QA, DevOps, and other technical teams.
- Participate in code reviews, design discussions, and technical solutioning.
- Ensure application performance, scalability, and reliability.
Primary Skills:
- Core Java
- Spring Boot
- Microservices
- REST API
- Kafka
- SQL / Database
Good to Have:
- React.js
- Cloud technologies
- Docker / Kubernetes
- CI/CD
- Agile/Scrum experience
Design, develop, test, and maintain scalable backend applications using Java.
Develop and maintain RESTful APIs and backend services.
Work with Spring Boot, Spring MVC, and related Java frameworks.
Design and optimize database queries and data models.
Integrate applications with internal and third-party APIs/services.
Write clean, maintainable, reusable, and well-documented code.
Troubleshoot production issues and identify root causes.
Improve application performance, reliability, security, and scalability.
Participate in code reviews and follow software engineering best practices.
Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
Contribute to application architecture and technical design decisions.
Urgent Requirement 🔥
👉 Java Backend with AWS
👉 Java Backend with React, Spring Boot, Microservices
Exp: 3+ Yrs
Loc: Chennai, Bangalore, Hyderabad
Immediate Joiners Preferred!
Job Summary
We are looking for an experienced Java Backend Lead with strong expertise in backend application development, system design, and technical leadership. The candidate will be responsible for developing scalable applications, guiding the development team, and ensuring high-quality delivery.
Key Responsibilities
- Lead and mentor backend development teams.
- Design and develop scalable, high-performance backend applications.
- Develop applications using Core Java, Java 8/11/17+ and Spring Boot.
- Design and implement RESTful APIs and microservices.
- Work with databases such as Oracle, MySQL, PostgreSQL or similar.
- Conduct code reviews and ensure coding standards and best practices.
- Troubleshoot performance, production, and technical issues.
- Collaborate with architects, product teams, QA, and other stakeholders.
- Participate in system design, technical discussions, and solution development.
- Ensure application security, scalability, reliability, and performance.
- Guide the team in Agile/Scrum development practices.
Mandatory Skills
- 10–15 years of overall IT experience.
- Strong hands-on experience in Java.
- Strong experience with Spring Boot and Microservices.
- Experience in REST API development.
- Strong knowledge of SQL and relational databases.
- Experience in system design and application architecture.
- Good experience in technical leadership and team mentoring.
- Strong problem-solving and communication skills.
Preferred Skills
- Experience with AWS/Azure/GCP.
- Knowledge of Kafka/RabbitMQ.
- Experience with Docker/Kubernetes.
- Exposure to CI/CD tools such as Jenkins, GitHub Actions or Azure DevOps.
- Experience working in Agile environments.






