• Developed and maintained Samsung’s product lines using React.js for the front-end, creating dynamic.• responsive UI components that improved user interaction and engagement.• Utilized Spring Boot for building secure, high-performance back-end services, implementing RESTful APIs to support scalable microservice architecture.• Implemented critical software components that boosted application functionality by 30%, resulting in a 20% increase in overall user engagement.• Leveraged techniques like code refactoring and lazy loading, which enhanced front-end responsiveness and reduced page load times by 25%.• Developed backend solutions using Java, Spring Boot, and Microservices architecture, focusing on security, scalability, and maintainability.• Employed Spring Security and OAuth to manage authentication and authorization, ensuring robust security for microservice interactions.• Deployed applications on AWS and GCP, ensuring high availability, reliability, and scalability of services across global infrastructure.• Managed cloud resources, optimized cost, and performance using AWS and GCP services, while maintaining operational stability.• Automated continuous integration and deployment (CI/CD) pipelines using Jenkins, Tekton, and GitHub tostreamline the build, test, and deployment process.• Achieved 40% reduction in deployment time by automating workflows and improving the efficiency of production releases.

o Build and maintain SQL scripts, indexes, and complex queries for data analysis and extraction.o Develop a business continuity plan for the SQL Server Databases using JDBC drivers.o Created many stored procedures and scheduled jobs to support our applications to create reports for customers.o Development of Entity classes and establish relationships between them using Annotations.o Experience in installing, configuring, and deploying applications on Web Logic Server. o Developed DAO pattern to retrieve the data from the database.o Developed SOAP web services (JAX-WS) for sending and getting data from different applications WSDL generation and exposed the service at server-side over the Internet and tested the services using JUnit.o Deployed application on Client Linux server.o Used ANT build tool for compiling and generating war files.o Implemented OAuth 2.0 for providing authentication and authorization for web services.o Developed and modified database objects as per requirements.o Involved in Unit integration, bug fixing, acceptance testing with test cases, Code reviews.o Implemented multi-threading concepts.o Developed the application using Core Java, J2EE and JSP.