Java Developer at Wissen Technology · Bengaluru (Bangalore) · 4 - 9 years · Profitable · Posted 11 Jun 2025

Required Skillset
• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, System Design, Unix/Linux. • 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. • Good knowledge of multi-threading and high-volume server-side development. • 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 Brief-
• Understand product requirements and come up with solution approaches. • Build and enhance large scale domain centric applications. • Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines.

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.
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Greetings from NAM Info Pvt Ltd,
Job Title: Senior Java Spring Boot & Microservices Developer
Experience: 7+ Years
Primary Skills: Java 8/10, Spring Boot, Microservices, REST APIs, Kafka
Job Summary
We are looking for an experienced Java Spring Boot & Microservices Developer with 7+ years of hands-on experience in designing, developing, and deploying scalable enterprise applications. The ideal candidate should have strong expertise in Java 8/10, Spring Boot, Microservices architecture, RESTful APIs, Kafka, multithreading, collections, and coding best practices.
Key Responsibilities
- Design, develop, and maintain scalable applications using Java 8/10 and Spring Boot.
- Build and implement Microservices-based applications following industry best practices.
- Develop and integrate RESTful APIs with internal and external systems.
- Implement asynchronous and event-driven solutions using Apache Kafka.
- Write clean, efficient, maintainable, and reusable code.
- Optimize application performance using Java Collections, Multithreading, and Concurrency concepts.
- Troubleshoot, debug, and resolve production issues.
- Participate in code reviews and ensure adherence to coding standards.
- Collaborate with cross-functional teams including Product, QA, DevOps, and Business stakeholders.
- Contribute to architecture discussions and technical design decisions.
Required Skills
- 7+ years of hands-on experience in Java development.
- Strong proficiency in Java 8/10 features (Streams, Lambda Expressions, Optional, Functional Interfaces, etc.).
- Excellent understanding of Java Collections Framework.
- Strong knowledge of Multithreading and Concurrency.
- Hands-on experience with Spring Boot.
- Solid experience in developing REST APIs.
- Strong practical experience in Microservices architecture.
- Hands-on experience with Apache Kafka.
- Good understanding of object-oriented programming (OOP), design patterns, and SOLID principles.
- Strong coding, debugging, and problem-solving skills.
- Experience with Git and Maven/Gradle.
- Knowledge of SQL databases and API testing tools such as Postman.
Preferred Skills
- Experience with Docker and Kubernetes.
- Familiarity with CI/CD pipelines.
- Experience working with cloud platforms such as AWS, Azure, or GCP.
- Knowledge of monitoring and logging tools.
- Exposure to Agile/Scrum development methodologies.
Mandatory Technical Expertise
- Java 8/10
- Spring Boot
- REST APIs
- Microservices
- Apache Kafka
- Multithreading
- Collections Framework
- Strong Coding & Problem-Solving Skill
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
Experience
9–18 Years
Education
IIT / NIT graduates only
Interview Process
Candidates must be available for a Face-to-Face interview in Bangalore or Mumbai.
Key Responsibilities
- Design and develop scalable, high-performance Java applications.
- Lead a team of engineers and drive technical excellence.
- Architect enterprise-grade solutions and provide technical guidance.
- Collaborate with cross-functional teams to define, design, and deliver high-quality software.
- Review code, mentor team members, and ensure engineering best practices.
- Drive system design discussions and resolve complex technical challenges.
Required Skills
- Strong expertise in Core Java and Java ecosystem.
- Excellent problem-solving and analytical skills.
- Very strong coding ability with clean coding practices.
- Strong understanding of System Design and distributed systems.
- Hands-on experience in Java Architecture and designing scalable applications.
- Experience leading engineering teams and mentoring developers.
- Good understanding of software design principles, design patterns, and performance optimization.
- Strong communication and stakeholder management skills.
Preferred Skills
- Experience with Spring Boot, Microservices, REST APIs, and cloud technologies.
- Exposure to CI/CD, containerization, and modern DevOps practices is an advantage.
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.
JOB DESCRIPTION
Experience: 5+ 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. 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.
Wissen Technology is looking for experienced Java Developers to join our team in Bangalore!
📍 Location: Bangalore
💼 Experience: 5–7 Years
⚡ Immediate Joiners Only
🔑 Key Skills
Strong experience in Core Java
Strong understanding of OOPs concepts
Hands-on experience with Java Collections
Strong knowledge of Multithreading & Concurrency, DSA (Data Structures & Algorithms), Spring Boot & Microservices, REST APIs, SQL / Database
📌 Please Note: Only candidates currently based in Bangalore can apply, as the interview process includes F2F rounds.
JOB DESCRIPTION
Experience: 4 to 10 years
Location- Bangalore/ Mumbai
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 to 10 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:
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
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.
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







