SUMMARY

• Extensive experience as a software developer dealing with large, high availability and scalable application design and development using Java Enterprise Edition (JEE/J2EE), .Net, SOA, web, client-server and EAI.
• Solid Hibernate, Business Intelligence and MVC framework working experience.
• Strong backgrounds of Agile methodologies, RUP as well as Waterfalls development model.
• Significant telecom industry experience dealing with multiple vendors and partners, local and abroad.
• Full SDLC experience from requirement engineering, system architecture/design, coding, configuration, testing, deployment, production support and a great team player, achieving goals with collaboration not with confrontation.
• Technical lead and management experience handling multiple applications, various levels of developers and stakeholders.
• Prolific web developer with experiences in developing fully working prototypes with database support in weeks.

CORE COMPETENCIES

TOOL -WEBSPHERE STUDIO APPLICATION DEVELOPER 5.1, ECLIPSE 3.4/3.5, JDEVELOPER 9I,VISUAL C++ 7.0, JBUILDER 3.5, RATIONAL, LATTIX/ SONARJ, ANT/MAVEN, SUBVERSION,CLEARCASE/CLEARQUEST, MS PROJECT, SKYWAY BUILDER, SPRING ROO

LANGUAGE-JAVA 5/6, C++/C, JAVASCRIPT, PHP, LZX, VISUAL BASICS, DELPHI, ASP, UML 1.1/2.X, SQLJ,PL/SQL, DTD/XSD, RUBY/ROR, GROOVY, JBOSS RULES (DROOLS)

FRAMEWORK-HIBERNATE 3.4, iBATIS 3, SPRING 2.5/3.0, STRUTS2/TILES 1.1, EJB 3.0/JPA, AXIS, JWSDP, JAXB, JFC, JMF, XFIRE, JUNIT, CAKEPHP, SPRING MVC, .NET, LIFERAY, SPRY, FLEX

WEB-SERVLET 2.4/JSP 2.1/JSF, HTML 4.0/XHTML 1.0, CGI, ISAPI, DHTML/CSS, HTTP 1.1/1.0, XMLHTTPREQUEST/AJAX

APP SERVER-WEBSPHERE 2.03/3.02/5.0/6.1, WEBLOGIC 4.51/5.1, JBOSS 3.2.1/4.X/5.X, APACHE TOMCAT 6, OC4J 9/10G, NAS 3.0/4.0, OPENLASZLO 4.6.1, JETTY 6/7, MULE ESB

DATABASE-ORACLE 8.0/9I/10G, MS SQL 5.1, SYBASE 11, MS ACCESS, MYSQL

OS-LINUX RED HAT AS 3.0/4.0, WINDOWS, SOLARIS, HP-UX, MAC OS X, CENTOS, ANDROID

PRODUCT-BUSINESS OBJECTS 5/6.5, INFORMATICA POWERANALYZER 4.11/5.0, BIRT 2.3, LOAD RUNNER 6.1, QTP 8.2 , ADOBE FDFTOOLKIT, PJX ETYMON, APPLIGENT FDFMERGE, JRULES 4.1, JTEST 4.0, JPROBE 2.0, OPTIMIZEIT 4.0, JIRA, F5 BIG-IP, DIALOGIC CARD, SAMSUNG HANDSETS, AMI, VMWARE, WEKA, DRUPAL

PROTOCOL- REST, SOAP 1.1, XML 1.0, JDBC 2.0, JMS, ODBC, CORBA, RMI, BANYAN VINES, PET, LDAP, SPRING JDBC/iBATIS, WAP 2.0, PORTLET, EC2, S3

PROFESSIONAL EXPERIENCE

Confidential, Reston VA 2005 – Present

Technical Lead

Served as the single point of contact for all software development matters of the music on demand application. Managing a team of 3 software engineers, ensured the successful operation of the service, enforced architecture compliance and implemented new features of the service. Additionally, analyzed customer enhancement requirements, provided level of efforts to enact change, and supervised implementation of all approved change requests or defect corrections.

• Developed the front end using Web 2.0 framework and the backend services based on REST protocol in 3 weeks.
• Designed the ESB based architecture to support PC client, leveraging the existing infrastructure in 3 months.
• Took over content management system for OTA and WEB online application from the offshore office, saving the company $50,000 per month for remote support.
• Supported the day to day operation and maintenance of the WAP (Velocity/iBatis) and WEB-PC (JSF/Spring/Hibernate) applications.
• Architected and proposed the JBoss prototypes of the store applications to run on Amazon cloud platform, EC2.

Confidential, Reston VA 2001 – 2005

Technical Architect

• Provided the software design, development and maintenance support, from the application architecture group’s perspective. Implemented application prototypes as a proof of concept or before handing it over to the development group.
• Implemented the initial FPDS-NG based on SOA (OC4J/Axis/JAXB) for GSA to collect, evaluate, and disseminate federal government procurement contracts information. Collected data from various contract writing systems nationwide are used to generate reports in XHTML, Excel, CSV and PDF format for the public.
• Designed and implemented Portlet-alike BI framework (Informatica/JBoss/Business Objects/OC4J), saving the company $100,000 consulting cost.
• Designed and developed the procurement forms print in PDF output (FDFToolkit/Appligent FDFMerge/Etymon PJ) of CAS, a finance, procurement and asset management system for DHS, totally replacing 30 types of paper based procurement forms.
• Implemented section 508 compliance web interface and maintained backend services of CAS (EJB/Hibernate/Oracle 10g).
• Re-factored the application so that it compiled/run on Java 5 and increase the system performance by 70% (J2EE/SQLJ).

Confidential 1998 – 2001

Consultant

• Presented as the subject matter expert in Java and e-Business, supported various companies in the software design and development.
• Designed DAO classes to use TopLink\'s ServerSession instead of DatabaseSession and JDBC 2.0 compliant connection pool. This increased the application scalability from 30 to about 200 concurrent clients for Prudential Insurance Merastar web application (Websphere/Solaris/Timesten 3.7/MQSeries 5.1/UDB 6.1/J2EE).
• Developed order confirmation and promotional email components for GE Appliance Xoom Store (JavaMail/J2EE).
• Developed catalog management, shopping cart and credit card processing components using AT&T SecureBuy commerce server for GE Appliance Xoom Store (Weblogic/J2EE).
• Built and maintained the presentation tier for Bell Atlantic’s Program One Web GUI, an application for pre-order, provisioning, maintenance, and repair information for CLEC (Websphere/J2EE).
• Developed a Java-CORBA based framework to share data among order entry, service delivery and customer billing systems.

EDUCATION/TRAINING

B.A.Sc - Computer Engineering