• Involved in all phases of the SDLC including requirements gathering, designing the application, implementing the design. testing and maintenance support. • Designed and developed the application with J2EE architecture, frameworks like Spring MVC and Spring Bean Factory. • Develop the UI component architecture for the developer framework using HTML5, CSS3, JavaScript, AJAX, and Bootstrap. • 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 the DAO layer for the existing applications using Spring, Hibernate and developed various business logic and reports using HQL and Hibernate Criteria• Mapped the database model into persistence objects using Hibernate Annotations. • Worked with Docker to deploy Microservices in modern containers to increase Isolation. • Secured the API by implementing Oauth2 token-based authentication/authorization scheme using spring security.

• 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 • application for navigation through the different states and multiple models• Designed, developed, and maintained the data layer using Hibernate and performed configuration of EJB. • Used Spring Core Annotations for Dependency Injection and used Apache Camel to integrate Spring framework. • Implemented Spring Actuator for health checks and other metrics• Enabled security for the actuator endpoints using Spring security.  • Created Stored Procedures & implemented queries using Hibernate to handle data in Oracle DB.  • Developed RESTful APIs for employee management

• Worked on Java Core coding to provide the Multithreading, Localization and Collections framework• Used Maven and Gradle as build tools to automate building, testing, publishing and deployment, and dependency management• Involved in implementing the JMS (Java messaging service) for asynchronous communication.• Implemented business components using Spring Dependency Injection and accessed them using spring provided annotations.• Created and maintained the configuration of the Spring Application Framework (IOC) and implemented business logic using EJB. • Involved in Microservices development of RESTful Web Services, using Spring Boot, Spring Cloud, Spring, Spring Security and PCF• Did design, coding in Spring Boot, Struts, REST Webservices, Spring Batch, Spring Data, Hibernate, JPA, and Unix. • Used Spring AOP for creating aspects, advice, and pointcuts, and Spring Batch for batch processing in the application.• Extensively used the Log4j to log regular Debug and Exception Statements.• Applied J2EE design patterns such as Business Object (BO), Service Locator, Session Facade, Model View Controller, DAO, DTO, Front Controller, Singleton, Adapter, Iterator.

• Deep understanding and working experience in Object Oriented JavaScript programming and JavaScript Spring MVC frameworks. • Implemented the application using the Spring MVC framework and handled the authentication, authorization, and access-control features by using Spring Security.   • Accessed data access object layer and connected the databases using Object Relational Mapping with Hibernate.   • Designed and actualized application utilizing Spring Boot, Spring MVC, Spring IOC, Spring Transactions, Spring JDBC.• Used the fundamentals of Java 8 like parallel streams and filters through lambda expressions to handle the searching.• Worked with core java concepts like Collections Framework, Multithreading and Memory management.• Implemented Microservices platform build upon Spring Boot Services. Worked on development and implementation of the MVC Architectural pattern using Spring Framework.• Implemented Batch jobs to deal with large number of chunks using Spring Batch Framework to execute the similar jobs simultaneously.• Developed Spring Boot Microservices with Microservices architecture using REST. • Created Stored Procedures & implemented queries using Hibernate to handle data in Oracle DB.  • Used GitHub for version control; configured Maven for dependencies and Log4J for logging.• Used AWS Infrastructure and features of AWS like S3, EC2, RDS, ELB to host the portal.