 Focused primarily on the MVC components such as Dispatcher Servlets, Controllers, Model and View Objects, View Resolver.  Involved in development of REST Web Services using Spring MVC to extract client related data from databases and SOAPUI tool is used for testing Restful API web services. Implemented the Web Service client for the login authentication, credit reports and applicant information using JAX-WS, and Apache Axis 2.  Configured JDBC and LDAP security in the application server. Developed LDAP server configuration file to enable encryption support for password storage.  Parsed those XML messages using JAXB and then store the data into Oracle Database using Spring JDBC.  Used EJBs (Session beans) to implement the business logic, JMS for communication for sending updates to various other applications and MDB for routing priority requests.  Used different phases of JSF lifecycle for client-side and server-side data validation.  Developed user interface using HTML5, CSS3, Java Script, Ajax and jQuery. Used AJAX and JavaScript for validations and integrating business server-side components on the client side within the browser. Created web applications prototype using Angular JS, Node JS, React JS. Worked on setting up JBOSS Fuse ESB and building and deploying applications to Fuse server.  Participated in builds using Ant and CI (continuous integration) using Jenkins.  Involved in the creation of exhaustive JUnit Unit Test Cases for each java class that is being developed for this application using a mocking framework Mockito using Test Driven Development technique.  Implemented automation using Selenium Web Driver, Cucumber, Core Java, and Maven & Jenkins. Writing the enhancements and migrating the existing programs using Test Driven Development (TDD) software development process Designed and coded application components in an Agile environment.

 Used Spring MVC and Spring ORM to develop the application. Used HTML, AngularJS along with Kendo UI for content layout and presentation. Implemented business logic using Session Beans, Servlets, and stored procedures. Created user-friendly GUI interface and Web pages utilizing HTML5 elements and DHTML embedded in JSP. Involved in tracking and fixing defects using HP Quality Center. Analyzed and fulfilled design requirements provided by business users. Utilized AngularJS as the development framework to develop single page web application (SPA). Developed user interfaces using JSP, HTML, CSS3, JavaScript, JQuery, Linux, and Ajax with JSON. Developed SOAP and REST based Web Services. Implemented different Design patterns like singleton, factory and J2EE design patterns like Business delegate, session facade and DAO design patterns. Used Spring Framework for dependency injection for Action classes using Application Context xml file. Involved in developing stored procedures and triggers to interact with business databases using JNDI Wrote PL/SQL procedures for intensive database transactions for storing high volume HTML Data. Implemented JAVA-J2EE technologies including specialization in XML, XSL, and XSLT. Used ANT for compilation and building JAR, WAR and EAR files. Used Apache Maven as version control system for the source code and project documents. Extensively used core java collections, API, and data structures. Delivered iterations every two-week cycle followed extensively Agile Scrum Methodology. Participated in various stages of the project life cycle including design, implementation, testing, deployment, and continuous enhancement of the application. Involved in debugging and resolving the production/test issues.

 Involved in deploying the application with Spring Framework and Hibernate Worked on gathering business requirements, analyzing the project, and created UML diagrams such as Use Cases, Class Diagrams, Sequence Diagrams, and flowcharts for the Optimization module using Microsoft Visio. Implemented the AJAX, JSPs, and Servlets, in the MVC Struts Framework to effectively handle the workflow of the application. Developed Action classes to handle HTTP client requests by using HTTP Servlet Request, HTTP Servlet Response, and Action Mapping and Action Form objects. Worked with Core Spring Framework for Dependency Injection, Spring Context to provide message sources Developed Spring Configuration file to define data source, beans and Hibernate properties Designed and developed the User Interface using JSP, JSF, HTML, CSS, and JavaScript Worked with Spring web flow to represent UI flow Implemented Design Patterns like MVC, Session Facade and Data Transfer Objects Developed few times sensitive and important review/comments sections with Angular JS using react directive. Worked with Hibernate for developing Persistence classes to interact with the database Implemented WSDL XML document to located and describe the web services Developed Ant scripts to deploy EAR, WAR files for deployment into server Successfully executed all the test cases and fixed any bugs/issues identified during the test cycles Worked with Log4J for logging purpose in the project Involved in building and deploying scripts using Maven to generate WAR, EAR and JAR files

 Extensively used Hibernate framework to persist the operations data to the database. Wrote complex SQL and HQL queries to retrieve data from the Oracle database. Used Webservices for communication between the different internal applications. Used Apache Axis as the Webservices framework for creating and deploying Webservices clients using SOAP and WSDL. Scaled the component interactions and generalized the interfaces using RESTFUL. Used SOAP for the communication between the different internal applications. Involved in producing necessary WSDL to deploy as a Web Service. Developed the XML schema and Web Services for the data maintenance and structures. Developed classes to interface with underlying web services layer. Designed and developed JSP pages using Spring MVC framework. Developed Angular JS services making use of resource service to perform REST API calls to the backend. Used Spring Security for Authentication and authorization extensively. Used Spring Core for dependency injection/Inversion of control (IOC). Developed the Controller Servlet to handle the request and responses. Designed rich user interface screens using AJAX, Java Script, CSS, HTML. Involved in the design of the Referential Data Service module to interface with the various internal databases using JDBC. Developed and deployed the applications on Oracle WebLogic Application Server. Worked on database interaction layer for insertions, updating and retrieval of operations data of internal applications from oracle database by writing stored procedures. Involved in designing test plans, test cases and overall Unit testing of the system. Object Oriented Analysis and Design using UML include development of class diagrams, Sequence diagrams and state diagrams and implemented these diagrams in Microsoft Visio. Implemented MVC, DAOJ2EE design patterns as a part of application development. Developed controllers and actions encapsulating the business logic.