• Developed and maintained backend services using Spring Boot and Microservices architecture.• Implemented and optimized RESTful APIs to handle data processing tasks efficiently and interact with AWS Big Data services.• Designed and managed batch processing workflows using Spring Batch to process large volumes of customer records.• Configured and managed CI/CD pipelines in GitLab for automated build, test, and deployment processes, ensuring consistent and reliable delivery.• Utilized Docker for containerization of backend services, ensuring consistency across different environments.• Implemented server-side validation and business logic using Java and Spring frameworks.• Developed and maintained microservices using Java and Spring Boot, enhancing the scalability and maintainability of core banking applications.• Integrated Neo4J for complex graph-based data queries, reducing data retrieval times by 40%.• Implemented RESTful APIs using Express and Node.js, facilitating seamless communication between frontend and backend systems.• Collaborated with front-end developers using Angular to deliver cohesive and high-performance web applications.• Enhanced security protocols for sensitive financial data, ensuring compliance with industry standards.• Developed API clients for communication with Kafka clusters to handle message processing and integration with other systems.• Applied J2EE design patterns such as DAO, Singleton, and MVC in the development of enterprise backend applications.• Leveraged AWS services for storage and processing, including S3 for object storage and Lambda functions for event-driven processing.• Implemented unit and integration tests using JUnit to ensure code reliability and performance.

 • Involving in various phases of Software Development Life Cycle (SDLC) using Agile Methodology and followed Scrum sessions.• Using Agile Scrum methodologies for application development and merge code to integration branch modules Spring MVC with Hibernate framework to build the application on server side and concrete classes to interact.• Experience in working with NoSQL database like MongoDB, Cassandra for handling huge amount of data. Involved in Handled Database access operations.• Experience with containerization technologies, including Docker, Kubernetes, or Rancher. Well versed with OpenStack based cloud infrastructure.• Utilized SAFe principles to manage large-scale projects and ensure timely delivery. Trained team members on SAFe practices and roles to improve agile adoption.• Implemented GitLab CI for automated testing and continuous feedback. Monitored GitLab pipelines to ensure efficient and successful builds and deployments.• Creating DAO interface, abstract class, and concrete classes to interact with persistence entities. Applied jQuery,• Wrote unit test cases for controllers, filters and services using Jasmine and Karma for the backend persistence worked on server-side validation using various web forms through annotation-based approach for testing of application.• Worked with CSS files effectively using version control systems like Gitlab, ensuring code collaboration and maintaining a history of changes for Java projects. Used Hibernate in data access layer to access and update information in the database.• Executed SAFe ceremonies such as PI Planning, Scrum of Scrums, and Inspect & Adapt workshops. Developed and maintained SAFe metrics to track project progress and team performance.

 Involved in analysis, specification, design, implementation, and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing applications. Created SQL queries to perform insert, update, or delete operations on the MySQL database.