Application developer with expertise in Java, Salesforce, web-based application architecture, user interface design, data modeling and relational databases. Has always been interested in data structure and algorithmes. Specialties: Java, object oriented design and analysis, user interface design, application development. relational databases, development on SFDC.

Senior Software Engineer @ Key contributor to the development of the company's Charting and Reporting software. Architect, design, implement, test and maintain java applications. Work on all layers of the applications including user interface (Swing), algorithm and data structure design, persistence and network architecture. Build the core functionalities of the reporting engine (EspressReport) Extend EspressReport to a web based reporting enterprise server with J2EE integration using technologies such as JSP, servlet, javascript, Ajax, Applet, RMI, SOAP/Axis and load balancing. Memory optimization and performance tuning. From February 2002 to February 2008 (6 years 1 month) Consultant @ Build a prototype system to facilitate secure and ubiquitous access to information via handheld devices in a healthcare setting. From April 2001 to August 2001 (5 months) Associate Developer @ E-commerce application development, participated in building the following sites.http://www.hotwire.com, http://www.advoy.com From February 2000 to December 2000 (11 months)

MS, Computer Science @ California Polytechnic State University-San Luis Obispo From 1999 to 2000 BS, Computer Science @ Universitetet i Oslo From 1995 to 1998 Yajun Liu is skilled in: Java, SFDC, Object Oriented Design, Agile Methodologies, Web Application Development, Relational Databases, HTML5, CSS, JavaScript, JSP, Servlets, AJAX, Web Services, Data Analytics