• Develop the UI component architecture for the developer framework using React JS, HTML5, CSS3, JavaScript, AJAX, and Bootstrap. • Worked on Lifecycle Methods, State, Props, and Events to create interactive and stateful React Components, achieved routing using react-router.• Implemented stable React components and stand-alone functions to be added to any future pages.   • Worked extensively in ReactJS, including features like Hooks, Rendering API data with Hooks, useEffect, estate and advanced also created advanced customized React hooks components. • Implemented Spring MVC, Spring Boot, Transactions, Spring JDBC template, and JSON features. • Implemented Spring Dependency Injection feature of spring framework to inject beans into User Interface and AOP for logging.• Created connections to a database using Hibernate Session Factory, using Hibernate APIs to retrieve and store data to the database with Hibernate transaction control. • Implemented ORM in the persistence layer using Hibernate framework in conjunction with Spring AOP functionality.

• Developed Customized Spring Multi Action controllers for handling similar operations and configured spring and Hibernate frameworks to develop full-fledged MVC and DB interaction application.  • Worked in the AGILE development environment to design and implement multi-tier applications using web-based technologies like Spring MVC and Spring Boot.• Familiar with creating Custom Reusable React Components Library. • In-depth experience with Java EE technologies such as Java Servlets, JSP, JDBC/Hibernate for developing and deploying enterprise applications. • Built and possess strong programming skills in designing and implementation multi-tier applications using web-based technologies like Spring MVC and Spring Boot. • Used Middleware persistence frameworks like Hibernate/JPA for mapping Java classes using Hibernate Query Language (HQL), HSQL Named Queries, and Criteria • Designed, developed, and maintained the data layer using Hibernate and performed configuration of EJB.

• Implemented J2EE design patterns such as MVC (Model View Controller), DAO (Data Access Object) and DTO, Front Controller, Singleton.• Used features like concurrency, Stream’s, Filters API and Lambda functions and Functional interface Java 8 programming.  • Used Hibernate for mapping java classes with database and created queries with HQL (Hibernate Query Language). • Implemented Spring AOP module to implement the crosscutting concerns like logging, security, Declarative Transaction Management.  • Provided user authorization and authentication functionalities with Spring Security and implemented customized authentication service classes for users.  • Used various Core Java concepts such as Multithreading, Exception Handling, Collection APIs to implement various features and enhancements.

• Implemented the multi-tier applications using technologies like Spring Boot and Spring DataJPA.• Designed patterns are extensively used to achieve clean separation of different layers.• Used different patterns like MVC, Singleton design patterns.• Designed and integrated the Spring/Hibernate persistence solution with the application architectures.• Configured Spring MVC and used Annotation to manage URL mapping with controller for the communication between layers.• Designed and Implemented Unit testing using JUnit Framework.• Used Postman Client to test transmission of REST API.