Roles & Responsibility Designed and implemented RESTful APIs using Spring Boot, improving user registration and transaction processing speed by 20%.Utilized Spring Data JPA and Hibernate for efficient database management, reducing query response time by 15%.Employed Spring Cloud for service discovery (Eureka), API Gateway, and load balancing, ensuring seamless integration and communication between services.Implemented security features using JWT tokens and OAuth 2.0 for secure API access, resulting in a 30% increase in system security.Conducted unit and integration testing using Junit and Mockito, achieving 95% code coverage.Automated deployment processes with Jenkins and Docker, streamlining the CI/CD pipeline and reducing deployment time by 25%.Collaborated with cross-functional teams to define and refine project requirements, enhancing project deliverables and user satisfaction.