Job Description

Senior Java Developer (5-8 Years Experience)

Location: Chennai

Experience: 5-8 Years

About the Role

We are looking for an experienced Senior Java Developer to lead the design, development, and delivery of enterprise-grade backend systems, RESTful APIs, and distributed microservices using Java and Spring Boot. The ideal candidate will bring strong architectural judgment, hands-on coding ability, and the maturity to mentor junior developers while driving technical decisions across the stack. Familiarity with modern AI-assisted development practices is expected as part of the day-to-day engineering workflow.

Key Responsibilities

- Lead the design, development, and deployment of scalable Java backend applications and REST APIs using Spring Boot.
- Architect and evolve microservices, ensuring high availability, fault tolerance, and performance at scale.
- Own database design and optimization across MySQL, PostgreSQL, or Oracle, including query performance tuning.
- Define and enforce secure authentication and authorization standards using Spring Security, JWT, and OAuth2.
- Drive code quality through design/architecture reviews, coding standards, and technical mentorship of junior and mid-level developers.
- Diagnose and resolve complex performance, concurrency, and production issues across the application stack.
- Own API documentation and contracts using Swagger/OpenAPI, and guide integration with internal and third-party systems.
- Partner with architects, QA, DevOps, and business stakeholders to translate requirements into robust technical solutions.
- Champion and govern the responsible use of AI tools for coding, debugging, testing, documentation,



and code review, ensuring generated code meets security and quality standards.
- Contribute to CI/CD pipeline design and deployment automation in collaboration with DevOps.

Required Skills

- Java (8+) with deep expertise in Spring Boot, Spring Framework, and Hibernate/JPA.
- Strong track record designing and building REST APIs and third-party integrations at scale.
- Advanced experience with MySQL, PostgreSQL, or Oracle, including schema design and performance tuning.
- Solid grounding in OOP, design patterns, multithreading, and concurrency.
- Proficiency with Maven/Gradle, Git, and standard branching/release workflows.
- Working knowledge of JSON/XML, HTTP/HTTPS, Spring Security, JWT, and OAuth2.
- Demonstrated experience using GitHub Copilot, ChatGPT, Claude, Cursor, or similar AI tools in a professional development workflow.
- Ability to write effective prompts, critically validate AI-generated code, and apply secure coding and software engineering best practices.
- Prior experience leading a feature area, mentoring developers, or acting as a technical lead on a project.

Preferred Skills

- Docker and Kubernetes for containerization and orchestration.
- Kafka or RabbitMQ for event-driven and asynchronous architectures.
- Redis or other caching solutions.




- CI/CD pipeline design using Jenkins or GitHub Actions.
- Deep experience with microservices architecture and API Gateway/service discovery patterns.
- Cloud platform experience AWS, Azure, or Google Cloud Platform.
- Strong testing discipline using JUnit and Mockito.
- Experience defining or improving AI-assisted development workflows for a team.

Qualifications

- Bachelor's degree in Computer Science, Information Technology, or a related field.
- 5-8 years of hands-on Java development experience, including at least 1-2 years in a senior or lead capacity.
- Relevant Java or cloud certifications are an advantage.

Positive to Have

- Experience in large-scale enterprise application development.
- Strong grasp of software architecture and design patterns.
- Exposure to API Gateway and service discovery tools.
- Hands-on containerization and orchestration experience.
- Experience working within Agile/Scrum teams, including sprint planning and estimation.
- Familiarity with JVM optimization and event-driven architectures.

Technical Stack

- Java 8/11/17+, Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Hibernate.
- MySQL, PostgreSQL, Oracle.
- REST APIs, Swagger/OpenAPI.
- Maven, Gradle, Git.
- JWT, OAuth2.
- Kafka, RabbitMQ.
- Docker, Kubernetes.
- Jenkins, GitHub Actions.
- AWS, Azure, Google Cloud Platform.
- JUnit, Mockito.

Why Join Us?

If you are an experienced Java engineer who enjoys owning systems end-to-end, mentoring talent, and using contemporary AI tools to build high-quality software faster, we would love to hear from you.

📌 Senior Java Developer (Chennai)
🏢 Matrix Business Services
📍 Chennai