PROFESSIONAL SUMMARY

• Over 7.5 years of IT experience designing, developing, and delivering complex multi-tiered enterprise applications for web-based and client-server domains using Java/J2EE/JEE languages and middleware products like IBM Websphere, Oracle Weblogic, Apache TomEE etc.
• Experienced in designing and developing transactional business services and n-tier applications for enterprise using Java/J2ee and other technologies
• Participated in designing and building complex, high-volume transactional systems for huge enterprises using Open Source technologies running in SOA environment
• Strong development skills in Java, J2EE, JDBC, JSP, Servlets, EJB J2EE , JNDI, RMI, C, HTML, XML, XSL, Java Script, Rational Rose, DB2, Oracle and SQL Server.
• Hands on experience in various Java persistence technologies like JDO, Hibernate and EJB-entity bean etc.
• Expertise in JDBC Connection Pooling, Persistence, Caching, EJB Server, HTTP, HTTP Tunneling
• Experienced in developing SOAP-based web services using top-down and bottoms-up approach using Apache-CX/Apache Tomcat, Oracle Weblogic and IBM Websphere
• Designed and developed multiple J2EE MVC based web applications using J2EE technologies EJB, Servlets, JSP , patterns and popular open-source frameworks like Struts, Spring, Hibernate
• Experienced in following Apache Spring modules: IOC, Webservice, JDBC JMS templates
• Experienced working with J2EE and OpenSource application Servers like IBM WebSphere, Oracle WebLogic, RedHat JBoss, and Apache Tomcat
• Experienced in XML and related Java technologies like JAXP, JAXB, JDOM, SAX, XSD, XSLT etc.
• Experienced in various Java persistence technologies like JDO, Hibernate, EJB-entity bean etc.
• Worked with many popular RDBMS Systems like DB2, Oracle and SQL Server
• Experienced in developing web-based applications using J2ee technologies like Servlet, JSP, EJB, Struts, Spring MVC, HTML, JavaScript, DHTML, AJAX etc.
• Experienced in all phases of SDLC like requirements gathering, designing, developing, configuration management, build management, testing, deployment etc.
• Used build and configuration management tools like Ant, Maven, Subversion etc
• Strong communication and interpersonal skills.

TECHNICAL SKILLS:

PROFESSIONAL EXPERIENCE

Confidential

Senior Java/J2EE Developer

Responsibilities:

• Involved in writing JSP Custom tags and JSF components. Used JSTL tag library Core, Logic, Nested Bean and HTML tag libraries to create standard dynamic web pages.
• Developed web services using Spring Web Services WS and Spring Security, and SOAP, WSDL and supported building and deploying on different environments.
• Java Helpers and Endpoints classes were developed using Spring Annotations, Spring Auto-wired and Spring Security concepts of Spring-3 Framework.
• Worked on some legacy web services built on Apache-CXF running on Apache Tomcat.
• Extensively used Spring JDBC template and Hibernate for performing Database Transactions.
• PL/SQL queries and JDBC module is developed for querying the database to get members.
• SOAP UI is used for Unit Testing the web services and Altovo XMLSpy for testing XSD's.
• JAXB objects are generated and Marshalling/UnMarshalling is performed.
• Maintained Test driven Development TDD approach using Agile Methodologies.
• Java Collections is extensively used in manipulating Dynamic data received from Fine Grain Services and also for internal code mappings.
• Performance tuning, Refactoring and Reusability of Java code is addressed in regular basis.
• Used Log4J to print the logging, debugging, warning, info on the server console.
• Comfortable working in UNIX and Linux environments for deploying, supporting, and troubleshooting java services running in data center.

Environment: Java, J2EE, JDK 1.6, JMS, RSA 7.5.5, RAD 7.5, Altovo XML Spy, SOAPUI, Spring 3.0, Spring WS-2,5 Hibernate 3.0, WAS 7.0, JDBC, Log4j, IBM Clear case, Web Services WSDL, SOAP, UDDI, XML , Junit 4, XML, JavaScript, Maven, Apache Ant, Apache CXF, Apache Mule ESB, Oracle 11g, TOAD, DBVisualizer. Unix Shell scripting

Confidential

Senior Java Developer

Responsibilities:

• Used Spring MVC and Spring web flow for developing the front-end application and Spring framework as middle tier for entire application
• Developed Controller for request, response paradigm by Spring Controllers using Spring MVC configured URL mappings and bean classes using Spring app-servlet.xml
• Extensively worked on Spring Bean Wiring, Spring DAO and Spring AOP modules
• Implemented J2EE design patterns like DAOs, Business objects and Session Fa ade, Also Java design patterns like Singleton
• Used Spring JDBC template and Hibernate for performing Database Transactions.
• Developed applications using Hibernate persistent framework, developed persistent classes, hibernate-mapping files .hbm.xml file, hibernate query language HQL .
• Extensively used XML Binding JAXB for mapping Java Objects for XML representations
• Involved in marshalling and unmarshalling of objects
• Involved in writing code to transform XML documents using JAXP SAX and DOM parsers
• Worked on web services using Java API for XML services JAX WS , SOAP, WSDL and supported build and deploying of SOAP Web APIs Services
• Used Apache Axis for implementing and testing Web Services
• Involved in performing Unit and Integration testing written test cases using JUnit framework
• Strictly followed Test driven Development TDD approach using Agile Methodologies.
• Used Ant tool to build the application and Websphere Application Server WAS6.0 to deploy the application
• Used Log4J to print the logging, debugging, warning, info on the server console
• Analyze, debug and investigate on problems reported by users performed code reviews standards, performance tuning, refactoring, reusability

Environment: Java, J2EE, JDK 1.5, MyEclipse, Spring 2.0, Hibernate 3.0, Websphere Application server WAS 6.0 , JDBC 2.0, Servlets 2.3, JSP 1.2, Log4j , Web Services WSDL, SOAP, UDDI, XML , Junit, HTML, DHTML, CSS, XML, JavaScript, Maven, Apache Ant, Oracle, AJAX.

Confidential

Senior Software Engineer

Responsibilities:

• Involved in the design Implementation of JSP, Servlets and Web Development
• Involved in Java/J2EE Design and EJB, Struts/JSP using MVC architecture
• Development using IOC, Dependency Injection using Spring framework
• Spring AOP was followed when writing business logic code for validations
• Development using Hibernate HQL for query execution on d/b
• Design and Implementation of Java Web-Services using SOAP to provide the Payments Settlement functionality comprising Apply Payments, Payments Summary Detail, and Profile Summary
• Implementing XML Parser DOM/SAX for integrating legacy system
• Involved in Unit testing and Integration testing
• Implementation of XLS to XML converter for passing parameters to web-services
• Developed the WSDL/XSD using top-down approach and XML Namespaces
• Generated the stubs using JAXB
• Involved in the deployment of Web-Service End-Points using CXF
• Performed Unit testing using Junit
• Eclipse was used as an IDE for development with Apache tomcat as the server
• Daily maintenance and handling performance issues

Environment: Java, J2EE, JDK 1.5, Apache CXF, Hibernate, spring, Struts, Web services SOAP, WSDL, UDDI , Eclipse, Spring IOC container, Springs AOP, Spring JDBC Template

Confidential

J2EE developer

Responsibilities:

• Used different Design patterns, like MVC, Fa ade, Controller Servlets, Business Delegate, Service Locator, Singletons, Value Objects while implementing the framework and Factory.
• Thin client rendering: HTML, Tag Libs, JavaScript, XML, JSP and Servlets.
• Adopted the IOC and Dependency Injection used Spring MVC framework for modeling the n-Tier Architecture.
• Plugged XSL-FO to the MVC layer to convert data in XML to PDF documents.
• XSLT was used to get reusability with XSL-FO.
• EJB Session Beans and Entity Beans on Websphere Studio Application Developer.
• Implemented and deployed several EJB Session and Entity .
• Using DOM with JAXP constructing and converting an XML document, accessing and manipulating the contents of the DOM object in memory.
• Using SOAP-Web Service to update backend ticket systems.
• Used Junit to automate Unit testing.

Environment: J2EE JSPs, Servlets, EJB, JMS , XML XSLT, XSL-FO, Xerces, XSD , Websphere 5.x and Weblogic 7.x, WSAD 5.1, Junit, HTML, Struts, Web Services SOAP, JAX-RPC, JAXB, SAX, DOM DB2 UDB, UNIX, Windows NT

Confidential

J2EE developer

Responsibilities:

• Prepared the sequence and class diagrams.
• Prepared Functional Design and Technical Design Documents.
• The GUI has been developed using JSP/Struts framework and Ajax.
• XML messages are used to communicate b/w web services that are written using SOAP and WSDL.
• Developed stateless session EJBs for encapsulating the business logic.
• Used Hibernate as ORM tool for the re-modeling of DB schema
• Involved in writing JUnit test cases for test driven development
• Involved in the development of web services and writing shell scripts for server on UNIX

Environment: JDK 1.4, EJB, JMS, JDBC, XSD, XML, WLI, Ant, JUnit3.8, Eclipse, Axis Log4j, Xdoclet, Xml, Beans, WSDL, SOAP, Hibernate, Struts, Spring, WSAD 5.0 , WL7.0.2 Integration, Oracle 9i

Confidential

Java developer

Responsibilities: Requirements analysis, design and development Worked on preparing the detailed design document. Developed the business objects using EJB and User Interface using JSP, Servlets and Front Controller. Used Data Access Object DAO to access the data with Data Source. Used JUnit to do the unit testing around the developed modules. Wrote SQL Queries and PL/SQL procedures for the application. Building and Deployment of WAR, JAR files on test, stage and production servers. Bug fixing Log4J for logging and testing support after the development. Environment: Eclipse 3.1, Tomcat 5.5, EJB, JDBC, Struts, JSP, Servlets, HTML, CSS, DHTML, JavaScript, XML, JNDI, Visual SourceSafe, SQL 2000, Windows XP.

Confidential

Java developer

Responsibilities:

• Requirements analysis, design and development Worked on preparing the detailed design document.
• DAO Layer are developed and are followed with Java Design Patterns.
• Data Model and Business layer are designed and developed. DAO Layer is implemented using JDBC and used Prepared Statements, Result sets etc.
• Business logic is developed using EJB 2.x and are hosted on BEA Web Logic Server.

Environment: NetBeans 4, Tomcat 5.5, EJB, JDBC, Struts, JSP, Servlets, HTML, CSS, DHTML, JavaScript, XML, JNDI, Visual SourceSafe, SQL 2000, Windows XP.