SUMMARY:

• 10+ years of professional experience in Requirements Analysis, Design, Development and Implementation of Ext JS 4.0/5.0/6.0, JavaScript, CSS, Ajax, HTML 5, Angular JS, Node.js, Java, J2EE and client - server technologies.
• Sophisticated knowledge and hand-on experience in creating rich front-end application using Ext JS 4.0/5.0/6.0 Framework
• Good experience in Agile and SCRUM methodologies.
• Extensive experience in developing applications using Java, Ext JS, JSP, Servlets, JSP Custom Tag Libraries, JDBC, JNDI, SQL, AJAX, JavaScript and XML.
• Developed custom UI components and complex UI screens using Ext JS framework.
• Good Experience on Ext JS Data grid, charts, Forms and Layout Manager Components.
• Good Experience in using Angular JS directives, Controllers, Filters, Services, Templets, Events and Injectors.
• Good Experience in handling Ext JS, Ajax Request and Response using Java Spring and JSON
• Strong working experience in Design, Development and implementation of several J2EE frameworks like (Model View Controller) Struts, spring, hibernate.
• Used Spring framework to auto wire/inject components and also configure the batch jobs
• Developed ANT scripts for the build and deployment of J2EE, Application Developer (WSAD), GIT, GITHUB, JUnit, Scrum, UML, JSP, Java Server Pages Standard Tag Library (JSTL), Servlet, MAVEN applications.
• Implemented Design patterns such as MVC, View Dispatcher, Data Access Objects, Singleton, Observer, Factory and Session Facade.
• Involved in all phases of Software Development Life Cycle (SDLC) in large scale enterprise software using Object Oriented Analysis and Design.
• Design, analysis and modeling of n-tired, Object-Oriented system architectures using Rational Rose.
• Thorough knowledge in using UML, XML parsers (SAX, DOM), SOAP, HTML and DHTML.
• Sound RDBMS concepts and extensively worked with Oracle 11g, 9i, PL/SQL.
• Familiar with designing and coding Stored Procedures, Triggers, Cursers and Functions using PL/SQL.
• Very good experience in developing Test Cases using JUnit.
• Used Hibernate as an Object relational mapping (ORM) library.

TECHNICAL SKILLS:

Web Technologies: HTML/HTML5, JSP, CSS2/CSS3, DHTML, XML, XHTML, XSLT, JavaScript, AJAX, jQuery, JSON, Apache

JavaScript Frameworks: Angular.js, Ext JS 4.0/5.0/6.0, Node.js, Bootstrap

IDE's and Tools: Eclipse IDE, NetBeans, Dreamweaver, Developer Tools, Edit Plus, JSfiddle, Webstrom, Tatastrom, Sublimetext

Development Tools: Adobe Photoshop CS5, Google Ad Words, Yahoo Search Marketing (spring tool suite)

Publishing Tools: Adobe PageMaker, MS Office

Wire Frame Tools: Adobe Illustrator CS3(basic idea on wire frame and visual design), Photoshop CS6, Adobe CQ

Project Build / Project Management tools: Grunt, Maven, Bower, Jira, Gulp

Debugging Tools: Firebug, Bugzilla, chrome canary tool, IE Developer toolbar

Version Control: CVS, SVN, Git, Accurev

PROFESSIONAL EXPERIENCE:

Confidential, CT

Sencha Ext JS Developer

Responsibilities:

• Developed cross-browser/platform with Ext JS 5.x/6.x, JQuery, AJAX and DHTML/CSS to desired design specs for single page layout using code standards.
• Developed, maintained and supported front-end applications based on Ext JS 4/5/6
• Created UI from scratch using Ext JS 5.x/6.x for new projects
• Developed architecture for scalable SPA
• Created new reusable Ext JS components
• Able to create adaptive free layout using Bootstrap.
• Involved in Enhancement of existing application utilizing JSP, Created HTML navigation menu that is role based menu items changes dynamically, derived from the database in the form of XML.
• Extensively used jQuery, Jasmine, Bootstrap, JSON, AJAX and DOM (Data Object Modeling) scripting to create interactive web applications like message posting and auto complete form for secured validations.
• Implemented NodeJS at server side to provide restful API to client-side backbone application.
• Developed share view using Sencha Touch for non-flash supporting devices.
• Worked on EXT JS with Restful and Soap Web service technologies
• Worked on Angular JS directives, Controllers, Filters, Services, Templets, Events and Injectors.
• Have created the angular custom directives, Filters and Services.
• Extensive knowledge of and use of Angular.js directives to bring additional functionality to HTML.
• Extensively used single thread per process, in order to decrease the load on server for multithread requests with the help of Mongoose and MongoDB.
• Implemented AJAX to enhance the capability of the website.
• Extensively worked with making calls to APIs to fetch the data from the backend as JSON response and parse it on the UI for DOM/CSS Manipulation.
• Involved in development of individual Sprints with the help of GitHub and developed new functions and strategies by contributing in GIT management.
• Responsible for checking cross browser compatibility and hence worked on different browsers like Safari, Internet Explorer, Mozilla Firefox and Google Chrome.
• Designed the User Interface using use case diagrams, class diagrams, and sequence diagrams as a part of Design Phase using Rational Rose.
• Identifying the long-term objectives and strategies, this is the major challenge in E-commerce management.
• Utilized the customer records participated in customer credit program architecture and various benefit programs.
• Experience in implementing pom.xml, xml, maven applications for building error free applications.
• Handled all aspects of the web applications including maintaining, testing, debugging and deploying.

Environment: Ext.js 5.x/6.x, Sencha Touch, HTML5, CSS3, Bootstrap 3, DHTML, CSS, JSP, JavaScript, jQuery, JSON, AngularJS, Backbone JS, Node.js, SVN, GIT, Agile methodology and RESTful and SOAP Services.

Confidential, New Jersey

Ext JS Developer

Responsibilities:

• Involved in requirements gathering, design and project development life cycle.
• Configured the Java beans using Spring Dependency Injection using IOC.
• Developed the controllers using Spring MVC.
• Involved in build deployments into various environments.
• Involved in designing database tables, SQL queries and PLSQL stored procedures.
• Performed unit testing using JUnit test cases to test the behavior of the coded classes.
• Provided development support for System Integration Testing and User Acceptance Testing.
• Used HP Quality Center 10 to monitor defects
• Developed business layer using JAVA, JDBC, J2EE (Servlets, JSP, spring, Hibernate)
• Implemented POI, iText and velocity Frameworks.
• Design and developed complex UI screens using Ext JS Framework. created Ext JS custom UI components and implemented UI MVC framework
• Implemented AJAX calls with Ext JS and handled request and responses for various modules.
• Developed Spring Restful Services API for Add, Update or Search Existing events Information.
• Developing Proof of Concepts and Prototypes.
• Provided SIT, UAT and Production environment creation support
• Developed common reusable Java functionalities to be used across applications.
• Coordinated release meetings, deployment plan review meetings.
• Maintained build releases and release plan for every release.
• Proactively worked with managers and development team to meet project goals within expected timelines.
• Primary point of contact during UAT support and Production issues.

Environment: J2SE 6.0, Ext JS 4.x/5.x, Spring Framework 3.5, Hibernate 3.5, Oracle 11g, JUnit, AJAX, Eclipse 4.x, SVN, Maven, HTML, CSS, XML, iText, POI, Velocity Frameworks

Confidential, Dearborn, MI

Ext JS Developer

Responsibilities:

• Working as a Java web Developer to develop and manage web applications.
• Developing new and maintaining existing functionality using SPRING framework, hibernate in Tomcat Environment.
• Design and developed complex UI screens using Ext JS Framework.
• Created Ext JS custom UI components and implemented UI MVC framework
• Implemented AJAX calls with Ext JS and handled request and responses for various modules.
• Developed Spring Restful Services API for Add, Update or Search Existing events Information.
• Developed test cases for integration testing using JUNIT.
• Creating new and maintaining existing web pages build in JSP, Servlet and other front end technologies such as AJAX, JQuery, JavaScript, HTML and CSS.
• Working on a multithreaded application, successfully creating new features based on multithreading.
• Used Spring framework to auto wire/inject components and also configure the batch jobs
• Effectively working on Java Swing.
• Front end coding, written in Java, with JSP screen pages being written in a mixture of CSS, JS, JQuery, Ajax.
• Effectively maintaining databases and writing scripts for Oracle database using DDL/DML commands.
• Creating new technical document of the new features which helps in reducing the complexity of the code flow and for the benefit of the other developer, also maintaining the existing technical document using UML diagrams and power point.
• Involved in migration of databases to support application, created sequences, synonyms, views, triggers and tables in the process of migration.
• Created several procedures, triggers and functions to support business and to achieve the functionality for a new enhancement.
• Developed various Triggers, Stored Procedure, DAO classes for application.
• Maintaining the existing code of Application completely developed in Core Java, Swing.
• Designed the Class, Sequence Diagram and forward engineered them in to Java classes.
• Enhancements to the existing system to add additional functionality to meet user's requirements.
• Involved in Maintaining and writing complex database queries for MySQL.

Environment: Core Java, JSP, Servlet, Java Script, Ext JS 4.0/5.0,XML, SDLC, J2EE, Servlet, spring, JDBC, AJAX, Hibernate, MySQL, ORACLE 9i, and SOAP.

Confidential, Atlanta, GA

Java Developer

Responsibilities:

• Developed the application based on MVC (Model-View-Controller) Architecture using Struts.
• Involved in developing GUI using HTML, DHTML, JSP and AJAX for end users and loan processing persons.
• Used Struts Validation Frame Work for server-side data validations.
• Used WSAD for the entire application development.
• Used DAO using JDBC and Oracle 9i as the backend database.
• Developed test cases using Junit.
• Worked with IDE as Eclipse and deployed into tomcat server, JBoss Application Server & used Ant build tool.
• Created Ant script for building, check style and deployment.
• Rational Clear Quest was used to log and track bugs.
• Used CVS repository for version control.

Environment: J2SDK1.5, WSAD, HTML, JSP, Struts, JDBC, SQL, JBoss, Oracle, UNIX, CVS, JUnit, Ant, JWeb Unit.

Confidential, Booston, MA

Full stack developer

Responsibilities:

• Developed the modules of Purchase Request, Purchase Order, Item Master modules.
• Involved in the Enhancement of Summarization module.
• Developed the web pages using JSP, CSS and HTML
• Used several J2EE Design Patterns like Session Façade, for the Middle Tier development.
• Made extensive use of Java Naming and Directory Interface (JNDI) for looking up enterprise beans.
• Used JSON for data exchange between application modules along with XML.
• Developed Message-Driven beans in collaboration with Java Messaging Service (JMS).
• Wrote various stored procedures in PL/SQL and JDBC routines to update tables.
• Involved in preparing the web pages using JSP, HTML, DHTML, XHTML, CSS and JavaScript
• Involved in building and parsing XML documents using SAX parser.
• Developed Form Beans, which are used to store data when the user submits the HTML form
• Coded various Java beans to implement the business logic
• Apache Tomcat is used as an Application Server to Deploy the Application
• Designed the Front End applications, user interactive (UI) web pages using web technologies like HTML, CSS, JavaScript, and JQuery.
• Worked on feature developments for the Growth team and projects handed down from the executive team, focusing primarily on HTML, CSS/SCSS, and Javascript development.
• Provided time estimates for front-end development on projects, consulted with project managers and clients on front-end development tasks, managed developer resources, provide insight into user interface design, and interacted directly with clients to answer any questions or concerns.
• Worked on developing a communication application that provided a collaborative platform for users to share customer related issues, assign action items, and manage overall internal communication.
• Developed non-functional HTML, CSS pages from the mock ups and involved in UI review with UI architect and Business Units.
• Implemented AJAX functionality using JQUERY, EXT-JS, JSON and XML.
• Worked closely with Business Analysts in understanding the technical requirements of each project and prepared the use cases for different functionalities and designs.
• Designed new classes and functionalities using various JQUERY components for CRM application for customer service.
• Wrote Object Oriented JavaScript to create modules and extensively debugged with Firebug and other debugging tools.
• Tested cross browser compatibility issues between multiple browsers.
• Facilitated discussions with Systems Analyst to identify technical requirements.
• Developed and designed the various screens and its architecture in accordance to UI Specs.
• Handled all aspects of the web application including maintaining, testing, debugging, deploying and printing.

Environment: J2EE, Java, JSP, Servlets, JDBC, Struts, Junit, log4j, JavaScript, DHTML, Axis, WSAD, XML, XSLT, SQL, CSS, JSON, Windows, and Unix-IBM AIX., HTML,CSS, JQUERY, EXT-JS,AJAX, SVN, Eclipse, M.S Windows. MySQL