Senior Software Engineer @ Built large scale real time scoring and serving system for targeting users based on their online behavior From October 2008 to Present (7 years 3 months) PhD student @ Research Projects: 1. Machine Learning for Tandem Mass Peptide Identification at University of Maryland, December 2004 – August 2008 2. ESTmapper: Efficiently Aligning DNA Sequences to Genomes at University of Maryland November 2003 - August 2008 3. UM-BLAST: A Wrapper for High Performance BLASTs at University of Maryland September 2003 – August 2005 4. PRP: the Risk based Probabilistic Routing Protocol for securing the routing of wireless Ad Hoc Networks at University of Maryland March 2002 – August 2003 5. Intrusion Detection Systems (IDS) evaluation at University of Maryland September 2002 – August 2003 From August 2000 to August 2008 (8 years 1 month) Consultant @ Installed and configured a multiple layer web server (Apache, X!Tandem, protein database) for peptide identification, including search parameter tuning. From May 2007 to August 2007 (4 months) Summer Intern @ • Research on combining mass spectrometry based peptide identification. • Set up software (MPI, PBS) environment for 16 node PC cluster. • Built internal web server (Apache, X!Tandem, OMSSA) for peptide identification. From June 2005 to August 2005 (3 months) Summer Intern @ Designed and implemented the API and a hardware simulation environment for the embedded Power Aware Multiprocessor Architecture (PAMA) project. From June 2001 to August 2001 (3 months)

PhD, Computer Science @ University of Maryland College Park From 2002 to 2008 MS, Computer Science @ University of Maryland College Park From 2000 to 2002 BS, Computer Science @ Tsinghua University From 1995 to 2000 Xue Wu is skilled in: Large Scale Distributed System, Ad Targeting, Machine Learning, High Performance Computing, Bioinformatics, MPI