• Participating in application solutions including assisting with planning and architectural design, development, resolution of technical issues, and application rationalization.• Created Typescript reusable components and services to consume REST API's using Component-based architecture provided by Angular 4.• Involved in Unit testing of application using Karma and Jasmine library to make sure that the application is compatible in all browsers.• Implemented micro services architecture using spring boot and Spring REST to create REST end points and integrated Swagger Spring boot to get dynamic documentation.• Implement modules into NodeJs to integrate with designs and requirements.• Involved in writing the front-end code for the application using AngularJS.• Implemented the presentation layer (GUI), based on open source framework, involving Servlets, JSP, JSTL, JSF, CSS3, HTML5, JavaScript and GWT.• Used jQuery, Angular JS, and Node JS to develop the rich user interface and to invoke RESTful Web Services to perform various operations.• Used Maven for developing build scripts and deploying the application into Weblogic.• Performed backend operations using Hibernate and native SQL on various databases.• Developed single page applications using Angular 4/6, Typescript, HTML5, CSS3, and Bootstrap.• Developed user specific Highlights (dashboard menu) section, Home Page, Admin home page, user module using Spring framework, Hibernate ORM module, Spring Core Module, XML, JSP,and XSLT.• Worked on Web Services using Java API for XML, JSON Services (JAX_RS) and worked on the build, deploying RESTful web services.• Expertise in designing and developing web and mobile applications using HTML 5, CSS3, Less, Sass, JavaScript, jQuery, nodeJs, AngularJS.• Used Spring Boot to modularized code and implemented Rest API's using Spring Rest and integrated Swagger API for documentation.

• Participated in the complete software development lifecycle tasks (design, coding, testing, and documentation).• Responsible for preparing the use cases and for designing and developing object models, class diagrams with UML Specifications.• Designed and Developed UI for Customer Service Modules and Reports using Angular2.0, HTML, CSS, Bootstrap, JavaScript, and jQuery Created web application prototype using JavaScript and AngularJS.• Implemented nested views and routing using Angular UI Router as per the requirement. GUI was developed using JSP, HTML, and AngularJS and created reusable components in Angular2.0 using Custom Directives Filters, Services, and Partials.• Created Typescript reusable components and services to consume REST API's using Component based architecture provided by Angular JS. Also developed internal services using Java and Node.js.• Customized Restful Web Service using Spring RESTful API, sending JSON format data packets between front-end and middle-tier controller.• Good Knowledge in dynamic documentation of RESTful end points using Swagger API.• Called REST web services through AngularJS services to get JSON Object and modified the response object to display in UI.• Design and develop micro services, J-Unit test cases, mock creation and fix defects.• Developed the backend tier using Spring Boot framework providing Dependency management.• Developed the application under Core Java, J2EE Architecture using REST, JBoss, Node.js, backbone.js, EXT JS, spring, Struts, Hibernate, Servlets, Web logic, Swing, Agile, Eclipse, Jenkins, and JSP.• Developed API to Integrate with Amazon EC2 cloud-based architecture in AWS, including creating machine Images.• Developed views using Bootstrap components, Angular-UI and involved in configuring routing for various modules using angular UI router.• Create desktop application with Angular 2/4 and Unit Test with Karma-Jasmine

Responsibilities:• Involved in software development life cycle (SDLC), which includes requirement-gathering, design, coding, testing.• Developed Project Specific Java API's for the new requirements with the Effective usage of Data Structures, Algorithms, and Core Java, OOPS concepts.• Used Bootstrap, NodeJS for effective design of Web pages.• Developed web service for web store components using RESTful API using Java & Spring.• Experienced in developing web-based applications using CSS, HTML, JavaScript, jQuery, UML• Experience in Object Oriented design, Systems Analysis, Software &Web Application development.• Developed business modules using Hibernate & Spring framework technologies.• Responsible for analysis, design, development, and integration of backend components using J2EE technologies such as Springs 3 and Spring JDBC and EJB's.• Wrote Micro services to export/import data and task scheduling and spring boot, Spring and Hibernate in the Micro services and Swagger API for Micro services.• Used Jasmine, Karma for unit testing and end-to-end testing to verify Angular JS modules and JavaScript utility routines.• Experienced in Front End frameworks such as jQuery, Ajax, JavaScript, Nodejs, ReactJS, BackboneJS, AngularJs. • Created Typescript reusable components and services to consume REST API's in Angular 2.• Analyzing the execution plan and choosing the optimized query for the DB operation using SQL Developer.• Implemented Micro services architecture using Spring Boot for making application smaller and independent.• Developed Project Specific Java API's for the new requirements with the Effective usage of Data Structures, Algorithms, and Core Java, OOPS concepts.• Developed web service for web store components using RESTful API.• Used XML, XSD and JSON messages for Data transfer. Used JAXB API and DOM for XML parsing messages.

• Worked in an Agile Environment and participated in requirement gathering, analysis, and design• Implemented Business Delegate, Design, Facade, Service locator, Singleton, Factory method, Template method, Observer, Data Access Objects, Transfer Objects JEE design patterns.• Implemented the service layer based on a spring container and exploited spring’s IOC features for bean management.• Implemented the persistence layer using Hibernate-ORM. Worked on Spring Web Flow on Spring MVC for building flows in our web application.• Worked with npm commands and using package. Json for managing dependencies and dev-dependencies of NodeJS applications• Tested Angular4 application using Jasmine framework and Karma configurations.• Implemented jQuery based accordion styles and handled complete jQuery in showing Rich Internet Application.• Responsible for creating an efficient design and developing User Interaction screens using HTML5, CSS3, JavaScript, and AngularJS.• Coded in AngularJS MVC Framework to make single page app (spa) and complex price configurations pages.• Wrote several Angular controllers, services, and providers to achieve the migration.• Developed application of spring framework by utilizing its features like Spring Dependency injection, Spring Security, Spring Web Flow with Spring MVC. Used spring's dependency injection for injecting entity manager and managed beans into spring beans.• Working extensively with Hibernate Query Language (HQL) to store and retrieve the data from oracle database. Developed Enterprise JavaBeans (EJB 3.0) for implementing application's business rules and policies.• Familiarity with Service-oriented architecture (SOA) by developing and consuming Restful web services based on JAX-RS and Jersey.• Also involved in back-end development using Node js, used NPM for package management.• Created back-end services/ API using Express js, which was used to query MongoDB.

• Developed multiple user tools with core Java and DB2 using eclipse IDE.• Implemented multiple design patterns like factory, façade, etc.• Extensive code reviews on adherence to design and performance.• Used NodeJs to run AngularJS on server with mock JSON data and completed the UI development independent of server.• Extensive real-time production support.• Used front end web development tools HTML5, CSS3, JavaScript, Typescript, Bootstrap, Angular JS, Angular2.0 to design UI.• Worked on developing CRUD applications using MERN stack (MongoDB, Express, ReactJS and NodeJS) and REST based API.• Wrote HQL queries as part of development.• Supporting to testers to test AngularJS 2.0 with Jasmine and Protractor.• Designed and implemented XML parsing for XML order conformations.• Wrote batch jobs and was involved in performance tuning of complex queries.• Monitored the error logs and fixed the problems.• Developed the different components of the application such as JSP, Servlets, DAO and Used Subversion (SVN) for version control.• Involved in the Development of Spring Framework Controllers. Developed Controller for the request, response paradigm by Spring Controllers using Spring-MVC.• Developed additional UI Components and implemented an asynchronous, AJAX (JQuery) based rich client to improve customer experience.• Built ANT scripts for automated deployment and for the build operation of the entire application.• Developed web pages using HTML5/CSS and JavaScript, Angular JS.• Developed many JSP pages, used Dojo in JavaScript Library, jQuery UI for client-side validation.