Developed the REST web services API to consume and produce the JSON data. Used REST controller in Spring framework to create RESTFUL Web Services and JSON objects for communicationUsed POSTMAN for Web Service testing and solid understanding of HTTP Status codesImplemented major business flows in REST web services along with JUnits using Mockito frameworkTested REST web services using Swagger Used Spring MVC to develop application architectureFollowed Spring MVC pattern and used View Resolver to map web pagesIntegrated the application with Spring MVC using Spring Dependency Injection (DI) and Spring annotationsDeveloped Spring JDBC to interact with database. Used AJAX to communicate with database for certain functionalitiesImplemented database connectivity using Spring JDBC framework Created DAO classes to implement CRUD operations by using JDBC transactionsWrote DAO layer, required SQL queries and Spring Controller to handle data and request to Spring applicationDeveloped SQL queries for table and data creation for the applicationCreated Typescript reusable components and services to consume REST API’s using component based architecture provided by Angular 4Created reusable templates using Angular directives and worked with Node package managerImplemented Angular Router to enable navigation from one view to the next as agent performs application tasksIntegrated the Angular JS application with the RESTFUL Web ServicesImplemented Angular JS 1 routing and filtersInvolved in improving the performance of the application using SonarqubeAnalyzed Sonarqube performance and created JUnit test suites with mockito frameworkWorked on JUnit code coverage and made progress status to 80% coverageUtilized Power BI tool to generate monthly loan assignment status reports by developing necessary SQL queriesUsed RapidSQL to run the SQL queries for extraction of data from DB2 databasePlayed a key role on fixing the high severity defects

Developed and designed web pages using Angular JS, HTML5, CSS3, Bootstrap, Flex components.Migrated the application from Bootstrap to Flex components to support for cross platformsInvolved in development of Spring Boot, Hibernate, Stored procs and RESTful web services components. Extensively worked on creating the custom directives in Angular JS and applied the same across the applicationUsed Angular two-way binding and implemented the search functionality for PDA ApplicationUsed AngularJS factories and services to make Restful calls to get data in JSON formatDeveloped REST web services using Spring MVC frameworkCreated RESTful APIs in express and returned logic through AngularJS data bindingDeveloped REST service documentation using Swagger UIPerformed exception handling for REST web servicesUsed stored procedures to get appropriate data from database filtered based on the business logic for each of the designsExperienced in PL/SQL programming including complex SQL queries using stored procedures in MS-SQLExtensively used HTML5, Angular JS and AJAX for client side development and validationsExperienced in Data Driven testing using frameworks like JunitExperienced in writing automated tests using Selenium WebDriver with JavaWorked on writing the Junit test case to test the RESTful APIsSuccessfully analyzed the root cause of the high severity defects and provided suitable fix Identified and documented the defects in rallyParticipated in discussion with business and other team members to gather requirements and exchanged new ideas and improvements

Used Spring Security for authorization of users and implemented Spring Web-ServicesDeveloped the DAO layer for the application using Spring, Hibernate and developed various business logics and reports using HQL and Hibernate criteriaInvolved in handling Hibernate as part of DB connectivity and persistence as ORM tool and writing HQL queriesCollaborated with the team for developing enterprise inter-process communication framework using Spring RESTful web serviceUsed ng-resource module to consume backend RESTFUL APIDeveloped front-end code with Ajax call in AngularJS to retrieve data as JSON Object from controllers in back-end RESTful serverUsed Struts Validation to validate various form entitiesContributed as a part of the team member in the design and development of XML presentation using XSLTDeveloped the server side validations using struts validation XMLDevelop GUI related changes using JSP, HTML and client validations using Angular validationsAssisted in implementation of MVC pattern using Angular JS, JSF and Spring ControllerDeveloped application using Spring MVC, JSP, Angular services on the presentation layer, the business layer is built using spring and the persistent layer uses HibernateUsed Cucumber to reveal and document, as well as drive development of, behavior in a large legacy code baseInvolved in writing test scripts using java and executed it through selenium cucumberWork closely with business teams and external partners to define testing scenarios and progress application testing through UAT and SIT Developed BDD and TDD script with Cucumber and written step definition for Gherkin based features. Used Jenkins as a build and deployment toolAutomated web application using Selenium WebDriver and JunitImplemented the online application by using Core Java (OOPS), JDBC, JSP, Servlets, Web ServicesManaged projects in both Agile and Waterfall development environments

Involved in the design and development of dashboards using Spring MVC frameworkUsed Spring framework for transaction managementDesigned the business object with Hibernate ORM mapping and interfaced with the business managers using Spring DAOResponsible for mapping the database model into persistence objects using Hibernate AnnotationsIntegrated struts MVC with Spring DI and Spring Hibernate DAOConfigured Struts action classes, Hibernate POJO classes and integrated Struts and Hibernate with Spring for processing business needsUsed Struts Validation Framework for dynamic validation of the user input formsCreated frontend using Angular JS, JQuery, NodeJsUsed Spring framework to achieve loose coupling between the layers thus moving towards Service Oriented Architecture (SOA) exposed through Restful and ATG Services. Expertise with ATG Commerce framework (Pricing, promotion, catalog and checkoutParticipated in the development team and implemented projects using IDE Eclipse.Designed the Metrics module and the necessary componentsHandled validations and demonstrated excellent capability in error handling.Ensured necessary development and maintenance of all entity and session beansParticipated in coding and supported activities by working with UNIX and Windows environmentsAssisted the team members in resolving the production issues and co-ordinated activities on all phases of SDLCAnalyzed the complaint tickets and reduced the number of complaints by almost 20 percent by identifying the bugs in the code.

Communicated with the marketing team and identified the business requirements of the numerous projectsPrepared System Requirements for the projectInvolved in preparing the detailed designed document for the projectUsed Spring Framework AOP Module to implement logging in the application to know the application status(move to first)Used Spring MVC Framework IOC (Inversion of Control) design pattern to have relationships between application components.Utilized Spring MVC Framework to separate the application configuration and dependency specification from the actual application codeDeveloped and debugged the servlets and EJB with Websphere Application ServerConfigured the middle tier using EJBs, Java ServletsDesigned and developed the UI using Struts view component, JSP, HTML, CSS and JavaScript, JSONUsed XML/XSLT for transforming common XML format and SAML for single sign-onDesigned configuration XML schema for the applicationInvolved in the development of both the back end and the front end of the application using Struts, Hibernate and WebServicesUsed Java Script for the client side validationUtilized XML HttpRequest Object to provide asynchronous communication as part of AJAX implementationImplemented and designed Java Classes to use JAXP parser for creating Java objects for modification of the data received in the responseJUnit tests were written to test each module in the applicationInvolved Code Review, Unit Testing and Integration Testing

Communicated with the system analysts and the end-users for the design and requirement clarificationsDesigned and developed the web components using JSP, Servlet under J2EE environment.Maintained high quality of the code by code reviews and trouble shootingDeveloped MVC architecture using Servlets, JSP, EJB’s.Implemented MVC architecture built on struts frameworkDeveloped JavaScript for front end validation and Struts validation framework for backend validation of the User InterfaceExtensively used the Hibernate Query language for data retrieval from the database and process the data in business methodsMaintained and created complex JavaScript front-end applications using Google Web ToolkitDeveloped Skins Cascading Style Sheets [CSS] for user friendly view of the applicationUsed Spring Hibernate Template Support to develop the DAO layer for the applicationDeveloped numerous business logic and reports using HQL and Hibernate criteriaApplied SVN version controller for maintaining the code versionsUsed Maven build tool to build the application