• Create new screens to provide the users an ease of use to help customers in all their needs using Spring MVC framework and REST API using Postman.• • Developed various helper classes needed following Java 8 multi-threaded programming and Collection classes.• Implemented micro services using Representational state transfer (REST) Web services for distributed systems using Jersey framework.•Created Hibernate configuration, mapping files and defined persistence classes to persist the data into Oracle Database and Hibernate Query Language (HQL) to query the database and MongoDB as the NoSQL database.• Developed Stored Procedures, Triggers and PL/SQL on Oracle to support the application. • Used JavaScript and AngularJS 2.0 technologies for Single Page Application (SPA) design, user input validations and develop REST webservice for data transmission in JSON format.• Created new pages according to new requirements based on UX using HTML 4.0, jQuery, JavaScript, Ajax.• Developed user interface using JSP and JSP Tag libraries to simplify the complexities of the application.• Participated in Agile meeting for the desktop transformation of current application and working with POC for implementation of Angular2.• Followed TDD Approach and developed JUnit and Mockito test cases.• Involved in communicating with AWS EC2 instances to debug applications and for the deployment.• Responsible for implementing Continuous Integration (CI) tools – Jenkins. • Used Bitbucket for version control, JIRA for issue tracking and Maven for dependencies.

• Designed and developed back-end functions with several Java design patterns such as Chain of Responsibility, Session Facade, Front Controller, Data Access Object, Singleton, MVC, Observer and Factory patterns.• Utilized Hibernate 4.x and JPA 2.0 for Object Relational Mapping (ORM) purpose for transparent persistence onto the Oracle SQL database and communication with data layer.• Involved in creating responsive web pages using CSS3 media queries along with HTML5 and JavaScript 1.x.• Consumed Restful Web Services with AngularJS 1.2.0 updating the Model and Views of the application.• Used SVN as a version control system and Jenkins for continuous build integration.

• Developed application using J2EE technologies like Struts 1.x, Hibernate, Servlets, and JSP.• Created Hibernate mapping files, sessions, Query & Criteria's to fetch the data from MySQL database and developed Restful web services for customer’s info retrieval. • Involved in second level cache using EHCache in Hibernate at table level. • Participated in developing view pages using HTML5, Java Script, AJAX, jQuery, JSP and Tag Libraries. • Involved in creating test cases using JUnit and Maven for build tool.Environment: Struts 1.x, Hibernate, Servlets, JSP, MySQL, RESTful API, HTML5, JavaScript, JSP, JSTL, Apache Tomcat Server 7.0, Junit, Maven.