•Developed and maintained complex microservices using Java 17 and Spring Boot, incorporating business logic and database interactions through JPA and JDBC to ensure efficient data management.•Enhanced the Defined Benefit (DB) calculation engine by integrating a React frontend with a Spring Boot backend, utilizing XML for data exchange and SQL for database operations, ensuring accurate and timely benefit calculations.•Implemented RESTful web services with Spring Boot, Spring Data JPA, and Oracle DB to streamline data retrieval and manipulation, optimizing SQL queries to improve data access speed.•Designed high-performance REST APIs using Spring Boot, incorporating Redis caching and SQL optimization techniques, resulting in a 50% reduction in response times for high-traffic applications.•Developed complex business logic using Spring-based POJOs and configured Kafka to handle messaging between microservices, leveraging Hibernate JPA to create a robust persistence layer.•Improved code quality by applying design patterns, conducting code reviews, and performing Sonar analysis, while deploying microservices on PCF to ensure production reliability and maintainability.•Built and optimized CI/CD pipelines using Jenkins, Maven, Docker, and Sonar to streamline deployment processes, reducing buildtimes by 30%.•Actively participated in Agile/Scrum ceremonies, collaborating with cross-functional teams across various locations to deliver secure, scalable, and high-quality solutions.•Promoted engineering best practices through technical reviews, boosting performance by integrating Redis for caching and cutting API response times by 50%.•Provided 1.5 years of production support for Java applications, delivering 24/7 support, quickly resolving critical issues, and improving system uptime while reducing mean time to recovery (MTTR) by 35%.

•Devised interactive UI to help managers to analyze best-optimized module installation and hookup schedule.•Utilized SQL to query databases and generate comprehensive reports for management, eventually automated this process by using java 8 and springboot.•Retrieve data from back-end MySQL & integrate with Spring.•Established continuous integration (CICD) infrastructure using Jenkins.•Collaborated with cross-functional teams to understand data requirements and provide actionable insights.•Automated reporting processes, saving 10 hours weekly and increasing speed by 40% by using java multithreading.

• Developed a dynamic front-end using Angular, improving user experience through responsive design and efficient state management with NgRx, resulting in a 30% boost in application responsiveness.• Created a comprehensive web application to automate business processes, leading the entire software development lifecycle, from requirements gathering to testing, while following Agile methodologies to ensure timely and efficient delivery.• Built RESTful web services using Spring Boot, integrating Spring MVC and Hibernate JPA for data management, and utilized Swagger to auto-generate API documentation, enhancing communication among development teams.• Executed XML-based data processing workflows, significantly improving the performance and reliability of critical business applications.• Led the development of enterprise applications, ensuring adherence to best practices in Object-Oriented Analysis and Design (OOAD).• Utilized Java 8 features like Lambda expressions and Stream API to optimize data processing within collections, increasing performance by 25% in data-intensive operations.• Designed and implemented server-side components using J2EE technologies such as JDBC, Servlets, and JSP, creating a scalable, data- driven architecture that supports complex business functionalities.• Developed interactive web services for retrieving data from Oracle DB, significantly improving data retrieval times and streamlining user interactions with a simplified interface.• Built and maintained CI/CD pipelines for Java-based applications using Jenkins and Maven, improving build performance by 40%.

● Developed over 150 automated test cases with Selenium WebDriver and Python, achieving a 95% defect detection efficiency. This reduced manual testing time by 30%, significantly enhancing overall test cycle efficiency.● Utilized JIRA and Bugzilla for defect tracking, improving communication between QA and development teams. Led bi- weekly sprint meetings within an Agile framework, facilitating continuous product.● Spearheaded regression and integration testing for quarterly software releases, ensuring seamless functionality. Adopted best practices in software quality assurance, resulting in a 20% reduction in critical bugs post-deployment.● Collaborated with developers, product managers, and UX teams to align software outputs with client expectations and user feedback. Conducted performance testing to ensure applications met speed and reliability benchmarks.● Engaged in continuous process improvement by analyzing testing methodologies, introducing automation frameworks, and streamlining workflows.