SUMMARY:

• Over 12 Years of experience in developing and supporting N - Tier Enterprise/SOA applications using Java/ J2EE Technologies (EJB, Web Services, Servlets, JSP, Spring, Struts, Hibernate).
• Performed statistical data analysis for educators-license study using SAS.
• Implemented statistical models using Core Java, Collections Framework, Multithreading, Mathematica and Matlab, SAS.
• Development experience with IDE’s like JDeveloper and Eclipse.
• Experience in Configuring and deploying applications on Web Logic 10.3/11g, JBoss 3.2/4.2, Tomcat 5.5/6.x
• Good understanding of System Development Life Cycle (Proposal, Process, Engineering, Design, Development, Testing, Deployment and support)
• Experience in web development using DHTML, CSS, JavaScript, XML, XSLT, XPATH,SAX, JAXB and AJAX
• Solid background in Object-oriented analysis and design
• Expertise in developing Use Cases, Activity Diagrams, Sequence Diagrams and Class Diagrams using UML.
• Usage of JQuery for client-side validations
• Experience in using various design patterns such as MVC (Model - View-Controller), Singleton, Session Façade, Factory, DAO, Front Controller and Business Delegate in the development of Multi-Tier distributed Enterprise Applications
• Familiar with all aspects of projects including Business Requirements, Technical Architecture, Design Specification, Development, Deployment and Support
• Experience preparing code review documents with Unit Test cases
• Experience in using RDBMS like Oracle, Sybase, Triggers, Views, Functions, Stored procedures and SQL Queries
• Comfortable working on Windows, Linux and Unix Operating System
• Experience in designing and developing E-Business and Office Automation solutions for Banking, Financial, Insurance and Federal
• Proactive attitude with excellent analytical, communication and inter-personnel skills.
• Self-Motivated, initiative, flexible and ability to solve problems efficiently.
• Quick learner, innovative thinker, hard worker and adaptive team player.

TECHNICAL SKILLS:

Java Technologies: Java 1.4, 1.5, 1.6, Swing, JDBC and RMI

J2EE Technologies: Servlets, JSP, EJB 3.0, JMS, JSTL, EL, JNDI, JTA and LDAP

Frameworks/Libraries: Oracle ADF, SOAP/REST Web services, Spring2.x/3.x, Struts 1.2, Hibernate v3, Spring-ws, Spring MVC, Spring-security, Spring-IOC

Databases: SQL, PL/SQL, Oracle 10g/9i/7, Sybase ASE, MS Access 2003/2007

Application Servers: Web Logic 10.3/11g, Tomcat 5.x/6.x

Client Side Technologies: Swing, DHTML, JavaScript, CSS, AJAX, JQuery, DOJO

Web Technologies: XML, XSLT, XSD, WSDL

Other Tools: Toad, Emacs, FUTRIX, Crystal Reports, Lotus Notes, Microsoft Visual Studio 2003/2005,Source Control, MS Office suite, MS Visio, Enterprise Architect, Ant, Maven, Log4J, JUnit, Apache CXF, Eclipse, Jenkins, Serena Dimensions CM, Business Manager, SAS Enterprise Guide 4.1, Matlab, Mathematica.

PROFESSIONAL EXPERIENCE:

Confidential, Columbia, MD

Sr. J2EE Developer/ Architect

Responsibilities:

• Acquiring the Domain Knowledge, Understanding the Product, Requirements and Design Documents, Preparing Design Documents, Programming and Unit Testing.
• Develop and implement complex designs for software in Service Oriented Architecture using J2EE, ADF Framework, Oracle SOA stack, Toplink and Oracle database.
• Help define application level Architecture
• Collaborate with senior Enterprise Architects to develop solutions for multiple complex problems
• Designing, developing, debugging and testing of multiple projects using the J2EE, EJB and enterprise patterns like DTO, DAO and Service Façade.
• Developed Continuous Integration strategies using Ant, Hudson and Shell scripts.
• Used SQL for reporting screens in the Data access layer.
• Developed the Export and Import Utility for export and import of Invoices
• Developed WS-Security based Web Services to interact.
• Tested spring web services using the SOAP UI by creating a Mock Service using WSDLs.
• Implemented ORM using Hibernate.
• Used Stateless Session Beans (EJB) in session façade for implementing business logic.
• Used Log4J logging framework for logging all event messages occurring at every levels of the Java codebase.
• Fixed application issues and helped to mitigate defect damages.

Environment: Java 1.5/1.6, Oracle Fusion Middleware, JPA, Soapui, PL/SQL, Ant, Jenkins, XML, XPATH, EJB, SVN, JSF, Oracle ADF Framework, Oracle WebLogic, Oracle WCF, Oracle OBIEE Reports, Junit Testing.

Confidential, NJ

Sr. J2EE Developer

Responsibilities:

• Designing, developing, debugging and testing web based application using the J2EE architecture.
• Performed statistical data analysis for educators-license study using SAS.
• Designed and developed the User Interface using JSP, Servlets and Java for Business Logic.
• Understanding and analyzing business requirement.
• Implemented client side data validations using JavaScript and Server side data validations using Spring Validators.
• Worked with JavaScript for fixing the double payment submission and fixed corresponding server side web component.
• Worked with java script events and functions.
• Updated CSS layout to reflect the new changes as per the addition of new components.
• Worked with server side beans to adopt the new changes.
• Developed Business Layer using Hibernate and Domain objects
• Implemented Business objects (BO), Data Access Objects (DAO) and Data Transfer Objects (DTO) in Spring Framework
• Extensively used Spring Inversion Of Control (IOC) and Transaction Management features
• Implemented Spring Business objects (BO), Spring Data Access Objects (DAO) and Data Transfer Objects (DTO).
• Extensively Used Spring Inversion of Control and Transaction Management features.
• Consumed web services and integrated with legacy application modules.
• Formulated Use Cases for each business requirement and normalized the use cases to suit the requirements.
• Created Use Case, Class diagrams, Sequence diagrams and Collaboration Diagrams.
• Developed SQL, PL/SQL with Stored Procedures to interact with Persistent database using Oracle 10g.
• Implemented various functions in Unix Shell Scripts as per the internal standards.

Environment: Java 1.4/1.5/1.6, JSP, DHTML, CSS, JavaScript, Spring MVC, JQuery, XML, XSLT, TomcatV6.0, Toad, Maven, SAS Enterprise Guide 4.1

Confidential, MI

J2EE Developer

Responsibilities:

• Understanding Business Requirements from clients and clients customers
• Preparing the Design Documents and analyzing the functional specifications.
• Designed and developed application using Spring Frameworks (Spring IOC, Spring MVC, Spring WS)
• Tested spring web services using the SOAP UI by creating a Mock Service using WSDLs.
• Wrote SQL and implemented ORM using Hibernate.
• Played an active role in testing the application by testing the application for different scenarios and in bug fixing.
• Designed and implemented Web Services using XML, SOAP, WSDL, and JAX-RPC to get updates from the third parties.
• Performed Code reviews and Performance tuning.
• Involved in the table design.
• Developed the application using Spring MVC.
• Implemented Spring IOC for server side Java components.
• Implemented persistence layer using Hibernate configuration files.
• Used SVN for version controlling.

Environment: Java 1.4/1.5, J2EE, CSS, HTML, XML, JavaScript, Spring Framework3.x, Hibernate 3.0, Web Services, Toad, SVN.

Confidential, IL

J2EE Developer

Responsibilities:

• Analysis, design and implementation using Struts Web Framework
• Developed JSP and EJB components for the application.
• Designed and development of User Interfaces, Menus using DHTML, JSP.
• Have used JDBC to handle large result sets.
• Designed class and sequence diagrams for Modify and Add modules
• Developed several session beans for managing the business logic.
• Tested some of the transactions between the client and the database using Servlets.
• Maintained the existing code base developed in the Struts framework by incorporating new features and doing bug fixes
• Used PL/SQL, Stored Procedures and table level and system level triggers for handling database processing
• Developed JSP pages with the help of Struts tag library.
• Done Java Script Validations on JSP pages as per the requirement.
• Used JUnit for testing the entire application, rectified performance bottlenecks and eliminated mission critical bugs.

Environment: Weblogic 8.1, Java 1.4, JSP, Servlets, EJB, JavaScript, MS Visio 2003, Oracle 9i, JUnit, CVS, Struts 1.2, XML, XSLT, HTML, XHTML, DHTML, PL/SQL, Struts 1.2

Confidential, WA

J2EE Developer

Responsibilities:

• Participated in Requirement Gathering, System Study
• Understood the technical architecture design and the use-case analysis.
• Conducted code reviews and unit testing.
• Developed the JSP's, Custom Taglibs, and JDBC connectivity classes.
• Designing the GUI screens Using JSP and JavaScript.
• Developed Utility classes and Business classes.
• Developed the SQL queries.

Environment: Java 1.4, JSP, Servlets, JDBC2.0, Bea-Weblogic8.1, JavaScript, HTML, Eclipse 3.0

Confidential

Java Developer/ Production Support

Responsibilities:

• Analysis, Design, Implementation and Troubleshooting of Intranet based Multi-tier applications
• Developed complex workflow based applications using ASP, Oracle, Lotus Notes, Domino Server
• Created socket modules using Java for Bond Price Synchronization between Europe and Asia.
• Conducted requirements gathering for a Resource Management System and Implemented using Lotus Notes groupware.
• Integrated groupware application with EIS (PeopleSoft) module.
• Primary contact for application support issues for three critical systems running across 170 geographical locations.

Environment: J2SE1.4, C++, Lotus Notes, ASP, MS IIS server, PeopleSoft, Oracle 7.