• Involved in most phases of the Software Development Life Cycle with Agile and started with Scrum Sessions every day.• Designed interactive web pages with front-end screens using HTML5 and CSS3, JavaScript.• Developed a Single page application (SPA) using React, Bootstrap, JavaScript, CSS3, HTML5. • Designed and developed Microservices using the REST framework and Spring Boot and used Bootstrap along with React in creating the Application.• Worked with NoSQL database MongoDB and developed custom MongoDB applications specific to client needs and Developed PL-SQL store procedures to convert the data from Oracle DB to MongoDB.• Improved the maintainability of the project by implementing and improving Exception Handling and Collection APIs.• Implemented Multithreading for improving performance of the batch processes. • Implemented the application using Spring Boot and handled the authentication, authorization, and access-control features by using Spring Security.• Implemented Restful Web Services to retrieve data from client-side using Micro Services architecture.• Developed Microservices using Spring Boot, Spring Security, and deployed to AWS cloud. • Developed the backend server with Spring boot, involving different layers of the application including entity/model, DAO/repository, Controller, Service, Business, and Persistence.• Developed a server-side application to interact with the database using Spring Boot and Hibernate.• Used Spring DAO Module along with Struts Framework to deal with Database.• Involved in using Spring Framework IOC for bean conceptual application and Spring ORM framework for mapping database using Hibernate.• Used Spring Boot for building applications with Spring initializers and bootstrapping the build configuration and develop custom solutions that act upon Jenkins information in authentic time.• Involved in data modeling the tables in Cassandra.• Implemented service layer on top of Mongo DB using Spring Boot Restful API.