Gaurab K Email and Phone Number

* Worked with all phases of SDLC as a scrum member following agile methodology and Test Driven Development(TDD)* Created the front-end web pages using HTML5, CSS 3 (SASS), Twitter Bootstrap CSS framework, media queries and JavaScript to develop the UI for our login and customer enrollment portals* Worked with Angular 4 using Angular CLI generated various components, routes, and services and structured the application code using Component based architecture* Worked on Angular 4 forms and controls in order to validate input data* Worked with ORM frameworks such as Spring Data* Good knowledge in documentation of REST API's using Swagger and WADL* Have worked with reactive forms, template driven forms and written pipes in Angular 4.0 to transform the data according to the customer's requirement.* Implemented micro services based architecture using Spring Boot interacting through REST API.* Authenticated Users accessing RESTful services using Oauth 2.0 and OIDC* Worked with Spring Cloud and Netflix OSS-Eureka for service registration and discovery.* Used spring boot actuator to externalize application's configuration properties for different environments.* Deployed Spring Boot based micro services on Docker containers using Amazon ECS and used Docker Hub for registering the Docker images.* Developed the application using industry standard design patterns like Singleton, Business Delegate, MVC, and Factory Pattern etc for re-usability* Developing internal Web Application in Groovy/Grails with Mongo DB as a data store. * Using the IntelliJ Idea 15.0.4 IDE with the latest Grails 3.1.1 SDK, Java 8* Used Apache Kafka (Message Queues) for reliable and asynchronous exchange of vital information between business applications. * Very proficient knowledge of JIRA to track issues and communicate with other teams at various environments.* Professional experience in Log4J for extensible logging, debugging and error tracing.

* Responsible for the analysis, documenting the requirements and architecting the application based on J2EE standards.* Designed dynamic and browser compatible pages using HTML5, DHTML, CSS3, BOOTSTRAP and JavaScript.* Used JavaScript libraries to create slider and page-turning animations on calendar widgets.* Involved in developing web pages using Angular JS Framework and familiar with various Angular JS directives and services.* Used Angular JS as frameworks to create single page applications (SPA) which can bind data to specific views and synchronize data with server using Sass, Less, Bootstrap, Angular JS.* Responsible for Web UI development in JavaScript using JQuery, AngularJS and AJAX.* Responsible for secure batch data flow to downstream systems using Middleware Java technologies. Developed Mean Stack from scratch including Mongo DB server (Mongoose Connector) setup and Express JS server development.* Developed drag and drop document editing using React JS.* Developed the JQuery callback functions to implement asynchronous communication using AJAX. * Used the Java Collections API extensively in the application as security protection for XML, SOAP, REST and JSON to make a secure Web Deployment.* Built backend REST API with Node JS, Express JS and also Implemented modules into Node JS to integrate with designs and requirement.* GUI design and development using Java Swing, JFC Used for open source web testing.* Implemented different Design patterns like DAO, Singleton Pattern and MVC architectural design pattern of Spring framework.* Developed APIs using AJAX and JSON to implement more robust and efficient client facing applications.* Worked on the REST Web Services and used Spring Framework and developed the Spring Features like Spring Core, Spring IOC, Spring AOP, Spring Data Access, Spring web test, Spring MVC, Spring DAO, Spring Boot, Spring Batch, Spring Security, Spring Integration.

* Developed the User interface using Front-end technologies such as HTML. CSS, JavaScript, JQuery and Bootstrap,* Developed applications using various design patterns in the project such as Business Delegate, Data Transfer Object, Data Access Object, Service Locator and Singleton.* Worked extensively with Ajax and JQuery to dynamically load the content into web pages without reloading the pages* Performed client-side validations using JavaScript and JQuery.* Worked extensively with Apache Tomcat web server for deployment of the application.* Built & deployed scripts using ANT build tool and used Log4J for debugging of the code* Developed and implemented JSP custom tags for handling cross-side scripting errors* Developed middleware service components and DAO components using Spring Framework and JPA (Hibernate).* Performed XSLT transformations to match service requests from the client to the Web service provider* Developed SQL scripts and PL/SQL stored procedures for querying, populating and retrieving data from SQL Server.* Worked with Spring Interceptors to validate web service requests and send notifications to the subscribers.* Used SOAP UI tool to generate request XMLs from WSDL to test the responses.* mplemented Hibernate ORM and performed mapping of object classes to the corresponding database tables.

* Worked as a Developer in Java, involved in designing/developing the application on J2EE platform and implemented the Model View Control (MVC) structure with Struts.* Expertise in using AJAX framework for achieving seamless user experience and server-side communication. Participated in writing test framework with Selenium and executed Web testing on browsers like IE, Chrome, and Mozilla through Web driver. Worked on enhancing the Portal UI internals using Java Script, HTML, CSS, XML, JSP as per need and provided client-side JavaScript validations,* Involved in using Spring Core Annotations for Dependency Injection in application.* Worked on using Hibernate ORM as Persistence to map ORM objects to relations using Hibernate annotations.* Worked on client-side Java scripting technologies such as JQuery while designing TABS and DIALOGBOX. Hands on experience in using Log4j to log outputs to files.* Worked on implementation of Axis Web Services for integration of different systems.* Developed Web services components with XSD, XML, DTD, and SOAP with DOM parser to transfer and transform the data between applications.* Accountable to expose capabilities of Web Services by using SOAP/WSDL* Expertise in using SOAP UI to test the Web Services by sending SOAP request to Service application