Responsibilities: • Used Spring framework MVC in the development of new modules based on requirements.• Developed the user authentication and authorization by using Spring Security OAuth2.0 and JSON Web Token (JWT)• Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules.• Involved in Daily Scrum (Agile) meetings, Sprint planning and estimation of the tasks for the user stories, participated in retrospective and presenting Demo at end of the sprint.• Created architecture towards a Microservices approach using RESTful Web-Services by using Spring Boot.• Used Angular, HTML5, CSS3, and JavaScript to construct the dynamic web pages (presentation Layer) for the application.• Used Hibernate Transaction Management, Spring/Hibernate Batch Transactions and Hibernate cache concepts. Used Spring Data Framework to use the features of Spring JDBC and Spring ORM classes like JDBC Template and Hibernate Template to perform the database operations by connecting to Data sources available.• Implemented REST API calls from Angular and parsed the data to project to the client and handled the security and Authorization using Spring Security and OAuth.• Regularly monitors the SPLUNK tool for errors.• Used AWS to deploy and scale applications.• Used Spring Security to validate JWD tokens.Environment: Java 8.0, Spring 5, Hibernate 4.2, Spring batch, Spring Boot, JPA, JMS, Angular 11, HTML5, CSS3, AWS, Jenkins (CI/CD), GCP, IntelliJ, SQL Server, Swagger UI, Log4j, Mockito, Junit, JIRA, Web Services, Kafka, Microservices, REST UI.

•Involved in Daily Scrum meetings, Sprint planning and estimation of the tasks for the user stories, participated in retrospective and presenting Demo at end of the sprint.•Involved in cross-platform and Open-Source development including MEAN Stack, Angular 6/7.•Developed complex Angular6/7 UI nested components for reuse and rapid development.•Developed the components using Angular 6 needed for the application from the scratch and customizing from various Angular related libraries to meet the application's functionality.•Created various Modules/controllers/components for the entire application using Angular6/7.•Developed various pages in the applications in front end technologies HTML5, CSS3-SASS, JSON, Angular 7 and utilized the features of Angular 6.0 to present effective web design.•Built Angular 7 components, UI services to consume REST services using Component based architecture provided by Angular 7.•Worked with Express.js for development of RESTful web services and middleware configurations. •Developed powerful Single Page Application and dynamic responsive Web Application with Angular 6.•Created Angular service and integration with RESTful APIs. Used Angular Http-client to send GET/POST request to fetch data from server.•Extensively involved in upgrading the existing system from Angular 6 to Angular 7.•Used Web services (SOAP and RESTful) for transmission of large blocks of XML/JSON.•Developed multiple POCs to create an interface by using MongoDB, Express JS•Experience with creating script for data modeling and data import and export. Extensive experience in deploying, managing and developing MongoDB clusters. Experience in creating JavaScript for using DML operation with MongoDB.•Creation, configuration and monitoring Shards sets. Analysis of the data to be shared, choosing a shard Key to distribute data evenly. Architecture and Capacity planning for MongoDB clusters. Implemented scripts for mongo DB import, export, dump and restore.