Sr Developer - Java API - Chennai

Job Summary:

We are looking for an experienced Senior Java API Developer with strong expertise in designing and developing scalable, high-performance backend services and APIs. The ideal candidate will have deep experience in Java-based backend development, microservices architecture, and building secure and reliable RESTful APIs for enterprise applications.

Key Responsibilities:

Design, develop, and maintain scalable backend services and RESTful APIs using Java

Build high-performance, secure, and reusable microservices

Collaborate with frontend developers, product managers, and architects to define API requirements

Ensure API performance, scalability, reliability, and security

Develop and maintain API documentation (Swagger/OpenAPI)

Implement authentication and authorization mechanisms (OAuth2, JWT, etc.)

Optimize application performance and troubleshoot production issues

Participate in system design discussions and architecture decisions

Write clean, maintainable, and testable code following best practices

Perform code reviews and mentor junior developers

Work in Agile/Scrum environments and contribute to sprint deliverables

Integrate applications with databases, messaging systems, and third-party services

Required Skills & Experience:

7+ years of experience in backend development using Java

Strong expertise in building RESTful APIs and microservices architecture

Proficiency in frameworks like Spring Boot, Spring MVC, Spring Cloud

Experience with API design principles and best practices

Strong knowledge of Java, multithreading, and performance optimization

Experience with databases (SQL and/or NoSQL such as MySQL, PostgreSQL, MongoDB)

Familiarity with API security standards (OAuth2, JWT, SSO)

Experience with version control systems like Git

Understanding of CI/CD pipelines and DevOps practices

Experience working in Agile development environments

Preferred Skills:

Experience with distributed systems and cloud platforms (AWS, Azure, GCP)

Knowledge of messaging systems (Kafka, RabbitMQ)

Experience with containerization tools (Docker, Kubernetes)

Exposure to API gateways (Kong, Apigee, Spring Cloud Gateway)

Knowledge of monitoring tools (Prometheus, Grafana, ELK stack)

Soft Skills:

Strong analytical and problem-solving skills

Excellent communication and collaboration abilities

Ability to work independently and take ownership of deliverables

Strong attention to detail and commitment to quality