1. Design, develop, and maintain backend applications using Spring Boot. 2. Develop complex business logic using OOPS and advance Java concepts. 3. Build and expose RESTful APIs and integrate with frontend and external systems. 4. Implement advanced Spring Boot concepts such as: Spring Data JPA & Hibernate for ORM Spring Security (authentication, authorization, JWT, OAuth2) Exception Handling, AOP (Aspect-Oriented Programming) Caching (EhCache, Redis) and Scheduling 5. Manage transactions, connection pooling, and performance optimization. 6. Integrate with databases (MySQL, PostgreSQL, Oracle, MongoDB, etc.). 7. Develop and maintain a microservices architecture with inter-service communication. 8. Ensure API performance, security, and best practices for integration. 9. Write clean, testable, and maintainable code following standard practices.