• Designed, developed, and implemented a highly scalable Spring Boot application utilized by millions of users.• Leveraged Hibernate and JPA for robust data persistence and efficient database management. Identified and optimizedcritical performance bottlenecks, ensuring the system could handle high traffic and large volumes of data seamlessly.• Collaborated in creating RESTful APIs, enabling smooth communication between services and delivering a reliableuser experience on a large scale.• Participated in code reviews, identifying areas of improvement and ensuring adherence to coding standards and bestpractices.

• Developed a dynamic web application for telecom based project using Java Servlets and JSP to manage userinteractions and data processing.• Designed and implemented backend server-side logic with Java Servlets to handle HTTP requests and responsesefficiently.• Integrated with backend databases using JDBC for persistent data storage and retrieval, and implemented MVCarchitecture to separate concerns, enhancing code maintainability and scalability.• Identified the root cause and fixed several production issues.