• Integrated PostgreSQL with existing applications to streamline data access and improve system performance. • Performed unit and performance testing activities as per automated framework and practices. • Resolved troubleshooting production issues by identifying software bugs. • Executed software applications through the coding process of specifications and documents. • Provided engineering expertise for the development of server applications and API services. • Developed and optimized SQL queries for PostgreSQL to enhance application performance. • Performed code reviews with the team. • Prepared builds, deployed, and coordinated with the release management team to ensure that the proper process is followed during the release. • Provided end-to-end support for the testing activities during System Testing and UAT. • Prepared technical documentation of the application. • Responsible for effective communication between the project team and the customer. Provided day-to-day direction to the project team and regular project status to the customer. • Reviewed system requirements, established specific solutions, and led the efforts including programming and testing that culminated in client acceptance of the results. • Interacted with clients for new enhancements to be done. • Used RESTful web services to expose certain functionalities of the application. • Configured Hibernate with Spring. • Used Spring Dependency Injection feature for Bean wiring. • Developed the front end using JSP, HTML, and CSS. • Developed web applications using Spring and Hibernate. • JavaScript was used for client-side validations. • Involved in DAO (Data Access Objects) to retrieve data from the database. • Architectural, technical, and functional understanding of the interfacing modules. Involved in different activities like design, deployment, unit testing, and test case creation. • Involved in fixing security regarding issues.