SUMMARY:

• Over 9+ years of strong development experience in design and development of web based, client - server applications with strong understanding of Object Oriented programming using java and j2EE related technologies.
• Strong experience skills in Java, J2EE, JDBC, Servlets, Jsp, JavaScript and jQuery.
• Good knowledge of latest version of object oriented JavaScript frameworks like Angular.js, Node.JS, Backbone, Bootstrap, Ext JS, Knockout JS, React JS, Ember JS, Expres JS, and Dojo toolkit.
• Good experience in various open source Frameworks like Hibernate, Jersey, spring and Struts.
• Effective team player as well as individual performer with experience in Java, J2EE, JSP, Servlets, Spring, Hibernate, SQL, PL/SQL and Oracle, MySQL
• Well experienced in Working on Core Java, J2EE (EJB, JSP & Servlets, JDBC, JMS), SQL, JQuery, HTML.
• Expertise with Spring Framework using components like MVC, Transactions, ORM and JDBC. Also used Hibernate ORM, JSF and Struts MVC frameworks.
• Has extensive knowledge on UNIX Shell scripting, FTP, SFTP.
• Experience with Design patterns like Singleton, Data Access Object, MVC Pattern and Agile, SCRUM methodology.
• Hands on experience in writing light weight Node.js express server, and using technologies like Ajax, JavaScript/jQuery, JSON to make connections between server and databases like MongoDB and MySQL.
• Expert in latest technologies and approaches for SOA based development and good understanding of SOA life cycle, SOA design Backbone principle, Service registry and various other SOA infrastructures.
• Extensive experience in multiple Java and J2EE technologies such as Servlet, JSP, JSTL, Spring, Struts, Sitemesh, IBatis, Hibernate and JPA, XML, XSD, HTML, JavaScript, JQuery, AJAX, JUnit, WSDL, SOAP, RestFul Web Services (Restlet), Action Script 3.0 developing Multi-Tier Web Applications and Server side Business Logic using J2EE, XML, WebSphere, WebLogic, Apache Tomcat, Enterprise Java Beans, Servlets, JSP, Struts, JDBC, DB2, Oracle, PL/SQL.
• Experience in developing JAVA/J2EE applications using IDEs such as Eclipse, RAD.
• Extensive experience in working with various databases like Oracle 11g/12c, SQL Server and MySQL
• Hands on experience in Rational Suite of Products like Rational Rose in developing Use Cases, Sequence Diagrams using UML, Rational Suite.
• Expertise in configuring the Spring Application Context with dependency injection and using Spring Framework that can integrate Hibernate and Web Services
• Extensive experience in Software Configuration Management using Version Control tools such as CVS, SVN, Tortoise, Bugzilla and responsible for various software version releases.
• Extensively used JDBC Statement, Prepared Statement, Callable Statement and Result Set interfaces while providing database interaction with the RDBMS backend.
• Expert in using testing, logging and building tools like JUnit, Log4J and Ant.
• Strong skills in API design, Enterprise Application Integration, Database Design and knowledge of various Architecture, design, Integration patterns and Application frameworks development.

TECHNICAL SKILLS:

Web Development: HTML, DHTML Adobe Dreamweaver, AJAX, JavaScript, JQuery, CSS

Technologies/Tools: J2EE, Spring 3.x,JMS, PL/SQL, Ant, Tomcat, JBoss, RMI, JSP, Servlets, Linux, JDBC, XML,REST web services, ExtJs, Struts, Spring MVC, Hibernate, SOAP, OAuth, Git, SVN, Dropbox Core API, JNotify, Stash, Data Structures, Unix,Maven, Jetty, Bitbucket, Jira.

Development IDEs: MyEclipse, Eclipse, IntelliJ 9.0, NetBeans 6, Oracle, TOAD, MySQL, IBM RAD 7.5.x, Magic Draw UML,WebLogic 10.x.

Open Source/Framework: Struts2, Spring, Angular.JS, Backbone.js, Node.js, Ext.js, Acegi Security ORM Hibernate.

Development Methodologies: Test case driven methodology, Agile Methodology - SCRUM

Programming Languages: C,C++,Java, J2EE, Python.

RDBMS Packages: ORACLE 9i, 10g, 11g, 12c, SQL Server, MySQL 5.1.

Operating Systems: Microsoft Windows, UNIX

PROFESSIONAL EXPERIENCE:

Confidential, Minneapolis, MN

Sr. Java/J2EE Developer

Responsibilities:

• Involved in requirements gathering, system design, analysis, implementation and setting up the development environment. .
• Applied design patterns including MVC Pattern, Factory Design Pattern and Singleton Design Pattern.
• Developed the application based on Angular2 MVC architecture.
• Worked on XML (SAX and DOM), XSL, XSTL, HTML, DHTML, JavaScript
• Used Spring MVC to decouple business logic and view components.
• Expertise in client scripting language and server side scripting languages like JavaScript, jQuery, JSON, DOJO, bootstrap, Node.js, Angular.js, backbone.js, Require.js, JSF and JSP.
• Developed and implemented the MVC Architectural Pattern using Spring Framework including JSP, Servlets, EJB, Form Bean and Action classes.
• Installed Apache, JBoss, MySql databases for test and deployment environment
• Worked in developing UI portals with the help of Angular.JS, Node.js and other JavaScript frameworks.
• Wrote various SQL, PL/SQL queries and stored procedures for data retrieval.
• Implementing User Interface for the Google analytics data visualization.
• Used Ext.Js graphed in an AJAX driven user interface.
• Used Amazon Web Services (AWS) for improved efficiency of storage and fast access.
• Used Spring MVC to decouple business logic and view components.
• Developed application based on document based Database like MongoDB.
• Design and developed user interface using Spring, Bootstrap JSP, HTML and JavaScript.
• Developed single page application by using Angular JS backed by MongoDB and NodeJS
• Developed SOAP/Restful web services, SOA architecture and design principals, XML/XSD.
• Installed node.js and utilized the NPM with Grunt for the build.
• Worked on Rest Web services, to specify the business behaviors and backend calls.
• Design and Development of the web application using struts 1.2.8 framework.
• Developed tools using Python, Shell scripting, XML to automate some of the menial tasks. Interfacing with supervisors, artists, systems administrators and production to ensure production deadlines are met.
• Developed the Frontend application with Node JS.
• Implemented J2EE Design Patterns like MVC, Service Locator and Session Façade.
• Developed and implemented the MVC Architectural Pattern using Spring Framework including JSP, Servlets, EJB, Form Bean and Action classes.
• Developed Business Logic using Python on Django Web Framework.
• Developed a module using Spring-REST consumed by the IVR Service to obtain the claim registration details from LDAP.
• Implementation of front end JSP/JSF and backing beans.
• Installed Apache, JBoss, MySql databases for test and deployment environment
• Written Dynamic Script creating Procedure which generates Trigger for Update and Delete Operations for Auditing Purpose for all the Database tables.
• Active participation in WebLogic server and Oracle problems (killing instances, debugging server logs, applications logs)
• Involved in building database Model, APIs and Views utilizing Python, in order to build an interactive web based solution.
• Implemented the XML binding functionality using JAXB.
• Used JUNIT to create test cases and automate order entry process on UI.
• Designed and documented REST/HTTP APIs, including JSON data formats and API versioning strategy.

Environment: Java, J2EE, Servlets, JQuery, Spring 2.5, Spring MVC, Spring Security, Spring Batch, Hibernate3, Angular2, Node.js, Web services, XML, Agile, Web Logic 9.x, JSP, JUnit, UML, Eclipse, SQL, PL/SQL, Maven, SVN, HTML, CSS, SQL Developer, Oracle 10g, UNIX.

Sr. Java/J2EE Developer

Responsibilities:

• Development, enhancement and testing of the Web Methods flow services and Java services.
• Used web services for interaction between various components and created SOAP envelopes.
• Hands on experience in Html, CSS, Java Script, BootStrap, Ajax, php.
• Created frontend screens using GWT framework.
• Built a scalable Kafka consumer that runs on multiple instances and is fault tolerant using Kafka Connect
• Experience in working with the NoSQL, Mongo DB, and Apache Cassandra.
• Resolving scalability and performance issues both in Applications as well as in Web sphere/Web Logic Application Servers.
• Hadoop using Spark Context, Spark-SQL, Data Frame, Pair RDD's & Spark YARN.
• Created and involved in scheduling Oozie workflow engine to run Sqoop jobs and also managed, review Hadoop log files.
• Experience in developing Web based GUI’s using JSP, HTML, DHTML, CSS, JavaScript (and its frameworks like JSON), Action Script, DOJO, Node JS, Angular.JS, JQuery, EXT JS and Ajax.
• Experience in web applications creation with HTML5, Ajax, JQuery, Backbone.js, and CSS3.
• Performed UNIX Shell scripting for the application.
• Experience in development of JavaScript for client side validations.
• Designed/developed UI with AJAX, HTML, DHTML and JavaScript for interactive web pages.
• Design the J2EE components of the RestFul Web Services and scheduled Java batch jobs based application in UML.
• Created Web Services (SOAP) between different components and also exposed few web services to client apps get metadata for the specific entities and documents.
• Worked on Java and JSON, to interact and get the data from csv files as we are prototyping the user Experience.
• Good experience using Apache SPARK, Storm and Kafka.
• Dumping data from centralized repository log server into Hadoop edge node Using FTP.
• Experience in build management with Ant Script
• Developed the application using Struts Framework that leverages classical Model View Controller (MVC) architecture.
• Front end design using HTML CSS Bootstrap.
• Creating Hive tables and working on them using Spark SQL.
• Implemented Business processes such as user authentication, Account Transfer using Session EJBs.
• Extensively developed stored procedures, triggers, functions and packages in oracle SQL, PL/SQL.
• Developed the front end using HTML, JavaScript, AJAX, JSP, CSS, JQuery, and XML.
• Developed POJO's, Data Access Object (DAO) which handles all database operations using Hibernate.
• Involved in creating Technical documentation for launching HADOOP Cluster and for executing Pig scripts, Hive queries and Sqoop.
• Developed and configured Oracle Database 10g tables including Sequences, Functions, Procedures and Table constraints.
• Worked on Big Data Integration and Analytics based on Hadoop, SOLR, Spark, Kafka, Storm and web Methods technologies.
• Experience in using design patterns and UI frameworks such as MVC, Struts, Hibernate, NodeJS, and Spring.
• Strong knowledge in developing and designing web 2.0 application according to Information architecture and Usability standards using Ajax, JQuery, Backbone.js, XML, Symfony 2, CSS3 and MVC frameworks.
• Used Spark to transform the data from HIVE tables and used Tableau API to generate the reports onto Tableau
• Implementation of the Business logic layer for Mongo DB Services.
• Implemented the Animation and styling using CSS3 and JQuery.
• Developed logging module-using Log4J to create log files to debug as well as trace application.
• Developing data access layer using IBATIS -ORM and JDBC.
• Involved in JUnit Testing, debugging, and bug fixing.
• Used Log4j to capture the log that includes runtime exceptions and developed WAR framework to alert the client and production support in case of application failures.
• Loaded and transformed Structured, Semi-structured and Unstructured data into Hadoop Cluster.

Environment: Java, J2EE, Servlets, JSP, HTML, DHTML, JavaScript, CSS, AJAX, JQuery, XML, XSLT, Eclipse, Spring Web MVC, Hibernate 4.0, WebLogic 10.3, WSDL, SOAP, JAXP, JAXB, Oracle 11g, SQL, Angular.js, Node.js, HP Quality Center, JUNIT, Ant.

Sr. Java/J2EE Developer

Responsibilities:

• Responsible for coding with the use of Object Oriented Principles and implementing MVC with JSP, Struts.
• Developed the SpringAOP programming to configure logging for the application
• Developed user interfaces using Java Server Pages using HTML, DHTML, XHTML, CSS&JavaScript,
• Designed different UI aspects for improved performance of the application by using GWT.
• Developed code using Core Java to implement technical enhancement following Java Standards.
• Proficient in Node.js, Mongo db, Redis and Linux flavor.
• Involved in the analysis, design, and development and testing phases of Software Development Life Cycle (SDLC).
• Used JPA (Java Persistence API) with Hibernate as Persistence provider for Object Relational mapping.
• Developed the Front end for the application using HTML5, Angular JS, JSP and JavaScript.
• Developed and implemented Swing, Spring and J2EE based MVC (Model-View-Controller) framework for the application
• Implemented application level persistence using Hibernate and Spring.
• Data Warehouse (DW) data integrated from different sources in different format (PDF, TIFF, JPEG, web crawl and RDBMS data MySQL, oracle, SQL server etc.)
• Used XML and JSON for transferring/retrieving data between different Applications.
• Also wrote some complex PL/SQL queries using Joins, Stored Procedures, Functions, Triggers, Cursors, and Indexes in Data Access Layer.
• Designed and developed SOAP Web Services using CXF framework for communicating application services with different application and developed web services interceptors.
• Ant build file creation and usage of Maven Ivy tool set, along with dynamic JUnit report generation in PDF format.
• Worked as backend developer of this app using Nodejs, Socket io and mongodb.
• Implemented the project using JAX-WS based Web Services using WSDL, UDDI, and SOAP to communicate with other systems.
• Experience in developing UI applications using HTML, HTML5, Jquery, and AJAX, AngularJS, Backbone JS.
• Developed back end interfaces using embedded SQL, PL/SQL packages, stored procedures, Functions, Procedures, Exceptions Handling in PL/SQL programs, Triggers.
• In depth exposure to creating API for internal and external application using REST and SOAP based design. Open source framework like Jersey used for create REST API
• Managing Source code in CVS and SVN and Project Documents in Share Point.

Environment: JAVA, J2EE, JDK, Servlets, JSP, XML, JSF, Struts, Web Services, Spring MVC, JNDI, JDBC, SQL, PL/SQL, HTML, DHTML, JavaScript, AJAX, SVN, SQL, Log4j, ANT.

Java Developer

Responsibilities:

• Design, Development, testing and debugging of new software and enhancements to existing software.
• Resolving design conflicts and using best coding practices.
• Developed common reusable component libraries (CRUD Scaffolding) to be reused in different projects throughout the company's IT team using GWT, Sencha, spring data, JPA.
• Getting signoff from the users after User acceptance testing.
• Used JavaScript, JQuery and Ext.Js to create UI on the Front End.
• Developed major websites and services by including Mongo DB as backend software.
• Used various libraries of JavaScript like jQuery, backbone.js, underscore.js and node.js.
• Translation of business requirements to information technology.
• Developed business modules using Hibernate & Spring frame work technologies.
• Experience in handling WebLogic scripts for server management and application deployment
• Configuration of application using the Spring, Hibernate, DAO’s, Action Classes, Java Server pages.
• Web pages are developed using Java Server Pages, HTML, DHTML, EXTJS, AJAX, and JavaScript.
• Performed unit testing with JUnit.
• Used Cobertura tool to analyze the code covered by Unit test cases.
• Used OracleWebLogic 10.x as my Application Server for this application

Environment: Java, JSP 2.0, Struts 1.0, MVC, JDBC 3.0, JQUERY, Angular Js, EJB 2.1, Oracle 10g, JAXB, HTML, CSS, JSON, JavaScript, Jboss XML, IBM WebSphere 5.1, Apache ANT