Tariq Ahsan, Senior Java/JEE Architect

Tariq Ahsan

Senior Java/JEE Architect

Lockheed Martin

Location
United States
Education
Master's degree, Computer Science
Experience
16 years, 0 Months

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Work Experience

Total years of experience :16 years, 0 Months

Senior Java/JEE Architect at Lockheed Martin
  • United States
  • My current job since April 2012

 Design, develop prototype and performance tuning to migrate existing COBOL based batch processing which handles weekly of 30 million records into open source Spring Batch framework based Java application. The Spring Batch Java application is implemented using JDK 1.6, Spring Batch Framework 2.1.8, Spring Database Transaction API ( JDBCSupportDAO), OpenJpa ORM, IBM Z/OS, DB2 database.
 Presentation on Technical Strategy of introducing Spring for the Lockheed and SSA Technology stakeholders.
 Prototype development for existing SSA web applications currently using Struts 1.X and EJB migrating to Struts 2 and Spring.
 Prototype development for using Spring 3 MVC, Spring WebFlow etc.
 Create class and sequence diagram using RAD’s Modeling Tool, eUML2.
 Implementing a prototype java based file processing application using Apache Hadoop, Cloudera, Ubuntu Linux, Cygwin etc.

Senior Java/JEE Developer at Ironclad Technology Services
  • United States
  • July 2011 to February 2012

 Migrating existing J2EE web based Command Fleet Financial application running on Oracle’s OC4J application server to WebLogic application server. The current application is implemented using JDK 1.4.2, Strut 1.1, EJB 2.0, Spring, Hibernate, Oracle 10g RDBMS, JDeveloper 11.1.3.0 IDE and Eclipse Helios IDE etc.
 Modified existing code to eliminate EJB and using the Spring framework.
 Developed prototype web application using Spring 3 MVC, WebFlow, Hibernate, Oracle 10g RDBMS etc.

Senior Java/J2EE Developer at Texas Department of Family Protective Services, Texas State Government
  • United States
  • March 2011 to June 2011

 Technology exploration, research and prototype implementation for a Java/JEE based web application. Re-implementation project of a
proprietory MVC and Tuxedo based Java/J2EE and ASP .Net web application. Ongoing design and implementation of a web application using Spring 3 MVC, Hibernate, Oracle 10g, Java/JEE, JDK 1.6, Apache Tomcat 7, WebLogic 10.3, JQuery Library, Eclipse Helios IDE, MyEclipse IDE, Subversion etc.
 Research and prototype implementation of a Rich Internet Application (RIA) using GWT, Adobe Flex.
 Prototype web service implementation using JAX-WS, Apache CXF, SOAP. Also researching REST.
 Provide mentoring and guidance to development team members.

Senior Java/JEE Developer at Lockheed Martin
  • United States
  • May 2010 to March 2011

 Designing and implementating Alfresco based content management web application using Java, J2EE, Eclipse, Oracle, Hitachi Content Management Repository, Microsoft Fast Query language for Executive Office of the US President (EOP) project.
 Designing and implementating Alfresco based content management web application using Java, J2EE, Eclipse, Oracle, Hitachi Content Management Repository, Microsoft Fast Query language for Freedom Of Information Act (FOIA) project.

Programmer Analyst Principal Leader at US Department of Defense
  • United States
  • November 2008 to May 2010

 Designing and implementating a Spring Batch Framework based Batch Processing application as part of a migration project of a COBOL based legacy based Batch Processing module for the existing NIMMS application that interfaces with the ABOM. Using MyEclipse 5.0-7.1 IDE, EJB3.0, Hibernate, JPA, JDK 1.5, Spring Framework 3.0, Spring Battch Framework 2.0, Oracle 10g and Unix Korn shell, Sun OS platform.
 Implemented multiple web application modules for US Airforce’s Navair Inventory Material System (NIMMS) application.
This is a COBOL/Mapper legacy based web application migration to a Java based web application project. Used JBoss, SOA, ESB, jBPM, Seam Framework, MyEclipse 5.0-7.1 IDE, JSF, Javascript, HTML, XML, JSTL, EJB3.0, Hibernate, JPA, JDK 1.5, Oracle 10g
 Implemented a Batch Processing Java module for Automated Bill of Material (ABOM) for US Airforce using JBoss, SOA, ESB, jBPM, Seam Framework, MyEclipse 5.0 IDE, JUnit, JSF, EJB3.0, Hibernate, JPA, JDK 1.5, Oracle 10g and Unix Korn shell.

Senior Java/J2EE Developer at AT&T
  • United States
  • April 2008 to October 2008

 Implemented Technical Design Documents for a Telecommunication Billing API which interfaces between Intranet web application and a C/C++/ProC based application. Architect of API interfaces that acts as an integration engine between heterogeneous systems namely OMS (Order Management System), CSM (Customer Service Management), CRM (Customer Relation Management), Frame/ATM etc.) under the overall AT&T’s Amdocs based Enabler Billing System.
 Involved in developing an API using Java, JDBC, EJB 2.0 (Stateless Session Bean, MDB), JMS, SonicMQ, WebLogic App Server 7.0, BEA Tuxedo, BEA Jolt, Oracle 9i, Eclipse, Ant
 Involved in Tier 3 development support for the Billing System APIs.

Education

Master's degree, Computer Science
  • at New Mexico Institute of Mining & Technology
  • September 1992
Bachelor's degree, Mechanical Engineering
  • at Bangladesh Institute of Technology
  • May 1986

Specialties & Skills