SUMMARY:

• More than 12 year experience in software development for the hi - tech industry.
• Work very effectively with cross-functional teams to delivery complex project in a dynamic, fast pace environment.
• Solid background in Computer Science helps to learn, understand, and be able to apply new technologies quickly and efficiently in software design/development.
• Expert in memory usage and performance troubleshooting especially with Java based applications and participated in several SWAT team projects to solve problems late in project life cycle.
• As senior software engineer/architect, involved in Object-Oriented Design(OOD/OOP), Service Oriented Architecture (SOA),Aspect-Oriented-Design(AOD/AOP), Inversion of Control(IoC)/Dependency Injection(Di), Distributed Client Server Architecture, Multi-threaded Programming, Electronics Commerce, Networking, Web Services, J2EE based application architecture and most Internet related Technologies.
• Comfortable to work on UNIX, LINUX, and Windows Operating Systems.

TECHNICAL SKILLS:

Hands-on experience & expertise on the following technologies and products: Java on Server/Client side, Servlet, JSP, XML, SOAP, Axis, JSON-RPC, HTML, DHTML, Javascript, JDBC, SQL, Oracle PL/SQL, MySQL, Hibernate, Springframework, acegi-security, Velocity, Nutch, Hadoop, Pentaho Mondrian and Kettle, Jpivot, Tapestry, Apache Struts and Tiles framework, iText, Quartz, JMS, JUnit, SOAP, EJB, RMI, C/C++, UNIX IPC, UNIX Socket Programming, JGroups, TCP/IP, HTTP, SSL, Oracle 9i, SQL Server 7, WebLogic Server, BroadVision 4.1, Epicentric Portal Server, Remerdy Active Request System, Apache HTTP Server, Tomcat Servlet Engine, Eclipse, Jbuilder, Jdeveloper, Forte, Netbeans, Visual Age, Together J, Toad, Sun Workshop, Rational Purify, Purecov, and Quantify.

PROFESSIONAL EXPERIENCE:

Confidential, Mountain View, CA

Responsibilities:

• I am responsible for design and implement a scalable solution for the internal adserver platform to deliver millions of relevant online ads daily to audients with all behavioral, contextual, and geographic targeting and retargeting supported.
• Architect, design all the new enhancements for the TrafficKing - admin application - to support business growth needs.
• Architect, design, and implement multiple optimization strategies based on eCPM, eCPC, eCPA, CTR, Margin, etc... applied in ad choosing process.
• Architect, design, and implement integration interface adserver platform to support Fox Interactive Media Realtime bidding ads.
• Architect, design, and implement integration interface adserver platform.
• Architect, design, review code, and manage a team of 4-5 developers in Vietnam to implement and deploy the BI report dashboard.

TECHNOLOGY: Java, JGroups, Velocity, Hadoop, Pentaho, XML, DHTML, AJAX, JSP, Servlet, SOAP, JMX, Axis, JASON-RPC, Tapestry, MySQL, Hibernate, Springframeworks, acegi-security.

Confidential, Irvine, CA

Technical Specialist

Responsibilities:

• Providing the technical road map including define coding standard for both Java and PL/SQL, architect, design, implement, deploy, and make technical decision for all Web based Applications.
• Providing technical guidance/mentorship to other team members.
• Filling in any role when the team fells short in resource during any phase of System Development Life Cycle to deliver projects on time.
• Providing work estimate to Project Managers and making sure the team delivery the project on time.
• Facilitating code review sessions, and test plan review sessions.
• Working closely with Business System Analysts to translate business needs into functional and technical design specifications precisely.
• Developing prototype and proof of concept for new Applications.
• Making sure our applications follow company wide standards in term of architecture, technology, and software venders.

TECHNOLOGY: Java, XML, DHTML, AJAX, JSP, Servlet, WebLogic, Hibernate, Springframeworks, acegi-security, Oracle, SQL Server 7.

Confidential, San Jose, CA

Principle Software Engineer

Responsibilities:

• As senior sofware engineer/architect, I had accomplished architect, design, and provide technical guidance to help the Confidential team build an in-house web-based Workflow-Performance Achievement Application that allows field managers to input rating for their employees, and a whole chains of approval processes.
• As team lead, I had accomplished to architect, design & implement an add-on custom application called BI Reports, which is a web-based application using Apache Struts and Tiles framework. Designed and implemented both front-end, data schema, and PL/SQL stored procedures to support UI lookup screens.
• Also, designed and implemented Java Concurrent Programs that call Report APIs in Cisco Data Warehouse and deliver the excel spreadsheet result via email attachment.
• Architected, designed & implemented the XML based web service based interface for a large IT infrastructure project.
• Considered wide range of XML technologies to implement a model application that demonstrated web service based applications for entire enterprise.
• As a Lead Developer designed & implemented the front-end architecture based on J2EE framework; responsible for improving reusable framework and components that were used in previous Equilibrium & Eiffel project; responsible for integrating Inxight HyperbolicTree Server to the Application.

Confidential, San Diego, CA

Lead Developer

Responsibilities:

• provided solutions to Confidential specific business requirements by extending and enhancing Epicentric Portal Server; helped in installation and configuration of Apache Web Server, Jrun Servlet Engine, and Epicentric Portal Server. Also designed and implemented Portal Beans & email notification modules. designed & implemented the front - end architecture based on J2EE framework; responsible for building reusable framework and components; reused architecture from previous Equilibrium project with many enhancements such as extensive privilege module; designed and implemented the user/group and privilege admin tool using Java Swing Classes. implemented the Inpurchase application module - part of the payment management using BEA WebLogic 4.5.1 with JSP, EJB, Servlet Technology, and SSL socket communication.
• As a Lead Developer, provided architecture assistance in implementing the front-end architecture using BEA WebLogic 5.1.0 with JSP, EJB, and Servlet technology; responsible for designing front-end architecture by applying the Model View Controller Paradigm as defined by Confidential.

TECHNOLOGY: Oracle 11i JTF, Java J2EE, SQL, Oracle PL/SQL, JDBC, SOAP, XML, DHTML, JSP, Servlet, EJB, RMI, Apache Jserv, Tomcat, Jrun, Weblogic Server, Epicentric Portal Server.

Confidential, San Jose, CA

Java Developer/ Web Applications Engineer

Responsibilities:

• Designed and implemented Notification Channels for E - Commerce sites using BroadVision 4.1 Components.
• Designed and implemented Data Manager using Java and XML.

TECHNOLOGY: C++, Java, XML, DHTML, JSP, Servlet, Apache, BroadVision 4.1.

Confidential, Mountain View, CA

Software Engineer/ Web Applications Engineer

Responsibilities:

• Responsible for designing and implementing internal and external Oracle Database to support E - Commerce sites using BroadVision 4.1 components.
• Also help to design and implement front-end using JSP, HTML, DHTML

TECHNOLOGY:C++, Java, XML, DHTML, JSP, Servlet, Apache, BroadVision 4.1.