SUMMARY

• Around Twelve years of experience with expertise in System Analysis, Design and development of business applications using Java/J2EE and ATG technologies.
• Self - motivated, and proactive to stabilize system operations with policies and procedures.
• Good Confidential Team Management and capable of handling multiple projects Confidential a time.
• Ability to work effectively while working as a team lead as well as individually. Good communication and interpersonal skills.
• Experience in developing e-commerce applications.
• Expertise in all aspects of SDLC - analysis, design, coding, testing, performance tuning, documenting, and user training
• Specialized in Object-Oriented design experience using various Design Patterns including GoF and J2EE patterns.
• Expertise in implementing J2EE technologies like JSP, Servlets, EJB (Entity, Session, MDB), Struts, Java Beans, JDBC, JNDI, XML, XSD, X-Path, AJAX and SOAP to develop Enterprise software applications.
• Experienced in developing Web services based applications.
• Developed Java Applications in various IDE tools like Eclipse 5.0, WASAD 5.0 and WebLogic Workshop 8.1.
• Very good Confidential ATG Dynamo ATG B2C Commerce, Shopping Cart, Product Catalog, Merchandizing, Catalog, Droplets, Repositories, form handlers, DSP/DSPEL, tag libraries.

TECHNICAL SKILLS

Programming Languages: JAVA 6, SQL, PL/SQL, XML and UML.

J2EE Technologies: JSP2.0, Servlet2.3/2.4, EJB2.0, Hibernate3.2, JDBC2.0, JNDI1.2, AJAX, SAX,DOM, XSL, HTML, JavaScript, HTML and CSS

Development Tools: IntelliJ 4.0, Eclipse 5, WSAD 5.0, WebLogic Workshop 8.1

Web/App Servers: WebLogic 12, Tomcat 5.0, Websphere5.0, JBoss 3.0

RDBMS: Oracle 12c, DB2 7.0, SQL Server 2000

ATG E-Commerce: Shopping Cart, Product Catalog, Merchandizing, ATG Catalog, Droplets, Repositories, form handlers, DSP/DSPEL, tag library.

UI: HTML, DHTML, CSS, XML/JSON

General Framework: Apache Struts 2.0 Hibernate 2.0, Web Services (SOAP, WSDL, and UDDI, RESTful), Spring2.0.

Operating Systems: Windows95, 98, XP, 2000/NT, Windows 7, Linux 7.0 and UNIX

Version control Tools: Clear case, Clear Quest, Star Team, Accurev

PROFESSIONAL EXPERIENCE

Confidential, Irvine, CA

Senior Software System Engineer

Responsibilities:

• Analysis, design, code and unit testing small, medium, big projects.
• Implement agile development process.
• Lead team and responsible for design and code review.
• Leading offshore team.
• Individual contributor for coding.
• Review the requirements and provide LOE.
• Involved in requirements gathering sessions with Business team, performed Detail design and analysis of online purchase process.
• Involved in migrating platform from Spring to ATG.
• Developing form handler objects which interacts with other components/downstream systems.
• Created Form Handlers, Droplets and classes to access the pipeline to process the checkout.
• Worked on CheckoutFormHandler and CartModifierHandlers for verification and validation of the transaction.
• Provide peer 2 peer trainings once project implemented in production.

Environment: Java 6, Spring 2.0, ATG e-commerce suite 2011, WebLogic 12, oracle 12c, Endeca, CQ5, XML, HTML, CSS, JavaScript, Eclipse 4, ANT, SVN(Version control), AJAX, Jaxb 2.0, RESTful Web services.

Confidential, Bothell, WA

Senior Software Systems Engineer

Responsibilities:

• Individual contributor in analysis and designing modules in big projects.
• Responsible for module level design and code.
• Responsible for unit and integration testing.
• Support portal feed functionality for external clients.
• Functional enhancement modifications.
• Working on common cart for all products on site
• ATG commerce suite configuration.

Environment: Java 5, ATG e-commerce suite 2007, JSP, Spring 2.5, Servlets, XML, HTML, CSS, JavaScript, WebLogic 10, eclips3.0, Oracle 10g, ANT, SVN(Version control), RESTful Web services, AJAX, JUnit 4.0,Axis 2.0 and JaxB 1.0.

Confidential, Irvine, CA

Senior Software Systems Engineer

Responsibilities:

• Used design patterns extensively to make sure that all the java classes in the application confirm to Java design patterns.
• Worked on projects (Equipment Upgrade (Single line), Equipment Upgrade (Multi line), Clicks 2 Bricks (C2B), Employee discount Program (B2E)).
• Worked extensively on API calls. For Vision and ETM calls.
• Worked on web services for communication between the store application and billing system to get the payment information.
• Worked Message driven beans using JMS, which is used for final order processing.
• Worked on Web Management System (WMS).
• Unit and integration testing.
• Worked on production PN and CR's.
• Worked on application performance used JCS (Java Caching System).

Environment: Java 1.4, JSP, EJB 2.0, Struts, Tiles, Servlets, XML, HTML, CSS, JavaScript, WebLogic 8.1, Oracle 9i, Java Mail, JMS, ANT, StarTeam(Version control), DWR, JCS, JUnit.

Confidential, Waukesha, WI

Sr. J2EE Developer

Responsibilities:

• Managing Portlet Entitlements for users based on roles.
• Customization of portal login framework using Intercepting Filters
• Designing framework for migration of application from WebLogic 7.0 to WebLogic 8.1 with minimal effect on existing code.
• Development of custom java controls and web service controls for forecasting module.
• Creation and initialization of custom property sets for UUP.
• Development of JSP Custom Tag Libraries for reusable GUI components.
• Implementation of declarative transactions for Session Beans.
• Creation of Design document for Opportunity management module including generation of various UML diagrams Class Diagrams, Sequence Diagrams etc .
• Data retrieval, manipulation and transaction management using JDBC and container managed transactions.
• Involved in Performance tuning of the application.
• Installed, Configured and administered WebLogic portal domain, portals and portlets.

Environment: J2EE, EJB, DAO, Servlets, JSP, Java Page Flows/ Web flows, Input Processors, JSP Custom Tag libraries, Java Script, WebLogic Server 8.1/7.0, Ant, Oracle 9i/8i/8.x, WinCVS, WebLogic Workshop, Windows 2000.