Apr 2011 – Jun 2013 · 2 yrs 2 mos · San Mateo, CA

• Managed a team of 10+ engineers in 3-level hierarchical organization globally through multiple software releases.
• Oversaw whole project release cycles from requirement gathering, design, development, QA to deployment of a team of development and QA engineers.
• Had track records of rolling out new products from scratch in short cycles while maintaining production applications.
• Competent interacting with multiple engineering, product management, support and professional service teams.
• Hands-on throughout the whole release cycle, acted as developer, QA, support when needed.
• Led design and architecture effort on projects, software applications and components, maintained good balance of technical and management work.
• Continued to design, implement and maintain 24x7 N-tier web applications and REST and SOAP APIs with various technologies including Apache, Tomcat, Struts, Spring, Oracle, Jersey, AJAX and Axis.

Apr 2007 – Apr 2011 · 4 yrs · San Mateo, CA

• Created architecture design on software components and their interactions.
• Designed and developed framework which allows team members to migrate static html components to AJAX components, accomplishing average 300% page load time improvement among all users.
• Designed, implemented and maintained 24x7 N-tier web applications and web services API.
• Investigated and fixed multi-threaded problems and memory leaks on various Java applications.
• Identified production issues and provided fixes / workaround in timely fashion.
• Written and maintained Perl cron scripts that publish metadata to large amount of servers in CDN networks.
• Mentored junior or new team members on designs and projects.

Aug 2004 – Mar 2007 · 2 yrs 7 mos · Redwood City, CA

• Managed project schedule of a team of five members.
• Identified and resolved performance bottle neck on existing commerce product, which results in performance improvement by 25 times on page response time and 3 times on whole check-out page flow.
• Architected and implemented a search-oriented and highly performed discussion forum application using struts, JBoss Tree Cache, Lucene and AJAX.
• Designed, developed, tested and maintained JSR 168 Portlets and Web Services for Remote Portlets (WSRP) on J2EE based Portal Framework / Application.
• Designed, developed, tested and maintained Java based data loader application, which parsed and loaded data in xml format to database tables.
• Ported applications to various Application Servers, including WebLogic, WebSphere and JBoss.

Apr 2004 – Jul 2004 · 3 mos · Sunnyvale, CA

• Designed, developed, tested and maintained server components of a wireless device application which allowed users to access the internal Web Application of companies using Java, SQL, HTTP, DHTML, JavaScript and XSLT.
• Provided solutions and suggestions to technology problems encountered by professional service team or customers during product deployment.

Jun 2002 – Mar 2004 · 1 yr 9 mos · Sunnyvale, CA

• Designed, developed, tested and maintained components of J2EE Web Service Integration and management platform using SOAP, WSDL, XML, SAX, DOM and other Web Service technologies.
• Designed, developed and maintained a Java and web service-based application, which deployed, tested and un-deployed J2EE applications in asynchronous manner on several different Application Servers in the network.
• Ported the company product to various Application Servers, including WebLogic, WebSphere, Iplanet, Borland Enterprise Server and Tomcat / Apache.
• Responsible for builds (twice daily) on multiple branches and multiple platforms.

Jan 2001 – Jan 2002 · 1 yr · Berkeley, CA

• Analyzed, designed, developed and tested both front-end and back-end software components of a three-tier, J2EE based,
• personal network communication system.
• Maintained and configured Application Servers (JBoss), Web Servers (Apache & Tomcat) and Database Servers (MySQL).