Sr. Software Engineer (Java) Resume

SUMMARY

An IT professional proficient in Object Oriented Analysis and Design, Web Development, Mainframe Development using DB2, MySQL and MS SQL Server.
Possess over nine years of Java experience, including Java, J2EE, JavaScript, XML, EJB, Struts, Ajax, Java Bean, Web Services and JMS.
Experienced in writing Use Cases, effective in entire development cycle from gather requirements to specification design to implementation and unit & regression testing.

TECHNICAL SKILLS

Hardware: IBM and Compatible PCs

Languages: Java, J2EE, Java Servlet, JSP, JDBC, EJB, JMS, JavaScript, XML, SQL, Struts, Web Services, Ajax, HTML, Visual Basic, COBOL, MQ Series and SAS.

Database: Microsoft SQL Server, DB2, MySQL, and Oracle.

Tools: MyEclipse, Eclipse, IBM Rational Developer Studio and Enterprise Architecture.

Web App Servers: Web Logic App Server, WebSphere App Servers, Apache Tomcat, JBoss App Servers

Source Control: SourceSafe, StarTeam, CVS and Git.

Operation Systems: UNIX/AIX, MS - DOS, MS Windows NT/95/98/2000/XP/Vista, Linux and Mainframe.

PROFESSIONAL EXPERIENCE

Confidential

Sr. Software Engineer (Java)

Responsibilities:

Lead IRS JBOSS migration project, successful to move all the IRS web traffic from the Weblogic to Jboss Application server following PCI and IRS security standard.
Developed PayNearMe payment method simulation page to speed up the test processing in IRS 2016 project.
Migrated State\Local WebLogic to JBoss including installing and configuration JBoss plugin in IIS web servers and JBoss web application servers in production.
Designed, analyzed, coded and tested HTML Email Template sending to customers like payment confirmation, reminder, and sign up account email and so on.
Built front-end API to use for void and refund transactions functionality in our system, the clients can use our report portal system to send the void or refund transactions to the web and performed the processing.
Developed J2EE application for non PCI (The Payment Card Industry Data Security Standard) client and stores credit card information in our system and created token for our client’s customers.
Involved to infrastructure upgrade project to migrate Data center including configured web servers and Web logic application servers.
Upgraded Oracle 64-bit Weblogic web application servers from 32-bit Weblogic including installation, configuration, and deployment and testing.
Worked on our Java-based web site performance tuning to fix memory leakages.
Applied all Java critical patch updates for Oracle Weblogic Application Servers to meet PCI Standard.
Involved in designing electronic payment processing for 2011 IRS including combining credit card and debit card into one Web Site.
Created design doc for Online reporting system using UML methodology.
Migrated E-check and debit java enterprise applications to main web site, so the user can select different payment types in one web site.
Developed two more payment options Bill Me Later and Green Dot MoneyPak to the state and local government Web site.
Supported and resolved all the issues in the existed Web Site.
Developed new features to existed J2EE Application using Java, JSP, Servlets, XML, EJBs, JMS, JDBC, JavaScript, SQL Server, and WebLogic9.1.
Improved Cache in J2EE application using Oracle Coherence.

Confidential, Sacramento CA

Programmer

Responsibilities:

Performed quality system enhancements, modifications and new design specifications including problem resolution, requirements, design, development, and testing and ongoing maintenance in order provide the most efficient and effective system for clinic and hospital using J2EE, Web Services, JDBC, Spring Framework (MVC), XML, XSLT, SQL, SQL server, DB2, Hibernate, Maven and WebSphere.
Built and released new software to development, test and stage environment for business analysts and clients to test.
Migrated J2EE applications from WebSphere to glassfish web app server.

Confidential

Sr. Software Engineer (Java)

Responsibilities:

Design and develop Java Application to encrypt and hash all the plain-text credit number, check account number, and user’s passwords to database.
Involved in development in IRS 2009, State and local government for electronic payments.
Design and develop application interface to void credit card transactions within same transaction day.
Migration of MS SQL Server 2000 to cluster server including backing up, restoring entire database, reindexing tables, recreating linked server and shrink database.
Responsible for design, development and implementation of Internet/Intranet web applications, which enable consumers to pay their taxes and bills using their credit cards and checking accounts.
Specialize in development, support, and deployment of the following applications written in J2EE technologies: JSP, Servlets, XML, EJBs, JMS, JDBC, SQL Server, and WebLogic9.1.
Develop/Implement/Support Struts MVC framework for On-line Reports assignment.

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