Java Developer at Wissen Technology · Bengaluru (Bangalore) · 3 - 8 years · Profitable · Posted 28 May 2025

Key Responsibilities:
- Design, develop, and maintain robust and scalable backend applications using Core Java and Spring Boot.
- Build and manage microservices-based architectures and ensure smooth inter-service communication.
- Integrate and manage real-time data streaming using Apache Kafka.
- Write clean, maintainable, and efficient code following best practices.
- Collaborate with cross-functional teams including QA, DevOps, and product management.
- Participate in code reviews and provide constructive feedback.
- Troubleshoot, debug, and optimize applications for performance and scalability.
Required Skills:
- Strong knowledge of Core Java (Java 8 or above).
- Hands-on experience with Spring Boot and the Spring ecosystem (Spring MVC, Spring Data, Spring Security).
- Experience in designing and developing RESTful APIs.
- Solid understanding of Microservices architecture and related patterns.
- Practical experience with Apache Kafka for real-time data processing.
- Familiarity with SQL/NoSQL databases such as MySQL, PostgreSQL, or MongoDB.
- Good understanding of CI/CD tools and practices.
- Knowledge of containerization tools like Docker is a plus.
- Strong problem-solving skills and attention to detail.

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)
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:
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
Senior Backend Developer – Java
Location: Mohali
Experience: 5+ Years
Looking for an experienced Senior Backend Developer with strong expertise in Java, Spring Boot, and microservices development.
Key Skills Required:
- Strong proficiency in Java, Spring Boot & Microservices
- Hands-on experience with Apache Kafka and MySQL
- Expertise in REST APIs, Docker, Kubernetes & Helm
- Knowledge of JWT, OAuth2, Firebase/FCM and CI/CD pipelines
- Experience with Agile/Scrum, code reviews, and production support
- Excellent communication, problem-solving, and ownership skills
Java backend (Java + Kafka)
Bangalore
5+yrs
immediate to 15days
Java, Spring Boot, Kafka, microservice
Call or WhatsApp: 6 3 8 5 0 7 6 1 4 2
Role: Java Backend Lead
Experience: 9.5+ Years
Location: Hyderabad / Bangalore
Notice Period: Immediate to 15 Days
Interview Process: All Rounds Virtual
Mandatory Skills
- Strong hands-on experience in Java
- Spring Boot
- Microservices
- Kafka
- Strong technical/lead experience
Job Description
We are looking for an experienced Java Backend Lead with 9.5+ years of experience in backend application development and technical leadership.
The candidate should have strong expertise in Java, Spring Boot, Microservices, and Kafka, along with experience leading technical teams and delivering scalable backend solutions.
Key Responsibilities
- Design and develop scalable backend applications using Java and Spring Boot.
- Develop and maintain Microservices-based applications.
- Work extensively with Kafka for event-driven applications.
- Provide technical leadership and guide development teams.
- Participate in architecture, design, coding, code reviews, and troubleshooting.
- Collaborate with cross-functional teams to deliver projects successfully.
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
Required Skills
- 5+ years of experience in Backend Java Development.
- Strong proficiency in Core Java.
- Hands-on experience with Spring Boot.
- Experience with Spring Framework, Spring Data JPA, and Hibernate.
- Experience with Spring Batch.
- Strong understanding of RESTful APIs.
- Good knowledge of Microservices architecture.
- Strong experience with SQL databases.
- Exposure to NoSQL databases.
- Experience with Git and CI/CD.
- Experience with JUnit, Mockito, or similar testing frameworks.
- Strong debugging and troubleshooting skills.
- Good understanding of software development best practices.
Good-to-Have Skills
- Docker / Kubernetes
- AWS / Azure / GCP
- Kafka / RabbitMQ
- Redis
- Swagger / OpenAPI
- Monitoring and logging tools
Java Backend
5+ , 25lpa
Bangalore
java 17+ , springboot , kafka , agile , Oracle
Email: revathi.r @ vysystems. com
Call/WhatsApp: 6 3 8 5 0 7 6 1 4 2
INTERESTED CANDIDATE SHARE YOUR CV IN MAIL OR WHATSAPP
Looking for strong experience in Java, Spring Boot, Spring Cloud, Microservices, System Design, Kafka, Redis, Cloud, Docker & Kubernetes.
FinTech / Banking experience will be an added advantage.
SHARE YOUR RESUME : { pavithra.e @vysystems.com },
{ 8 9 2 5 8 0 2 4 5 7 }
Job Description – Java Backend Developer
Experience: 5+ Years
Location: Bangalore
Notice Period: Immediate to 15 Days
Job Summary
We are looking for an experienced Java Backend Developer with strong hands-on expertise in Java and Apache Kafka. The ideal candidate should have experience in developing scalable backend applications, building event-driven systems, and working with distributed architectures.
Key Responsibilities
- Design, develop, and maintain scalable backend applications using Java.
- Develop and implement event-driven applications using Apache Kafka.
- Build and maintain RESTful APIs and backend services.
- Work with distributed systems and microservices architecture.
- Develop efficient, reusable, and maintainable code.
- Troubleshoot, debug, and resolve application issues.
- Optimize application performance, scalability, and reliability.
- Collaborate with cross-functional teams to understand requirements and deliver solutions.
- Participate in code reviews and technical discussions.
Mandatory Skills
- 5+ years of experience in Java Backend Development.
- Strong hands-on experience in Java.
- Hands-on experience with Apache Kafka.
- Good understanding of REST API development.
- Knowledge of microservices and distributed systems.
- Strong problem-solving and debugging skills.









