I am a software engineer at Google Search Infrastructure.

Software Engineer @ Search Infrastructure, working on building better web crawler system From October 2015 to Present (3 months) Software Engineer @ Data Infrastructure Espresso Storage Team http://data.linkedin.com/projects/espresso http://dl.acm.org/citation.cfm?id=2465298 http://www.slideshare.net/amywtang/li-espresso-sigmodtalk From March 2015 to October 2015 (8 months) Research Assistant @ Working on Distributed System to provide general application replication technology. Related Keyword: Deterministic Multithread Technology, Paxos Protocol, Asynchronous network communication, Integration Test. From January 2014 to February 2015 (1 year 2 months) Research Assistant @ Worked in Network Security Lab, focusing on applying "Sampling Smoothed Analysis" to different DFA-like structure in network packets processing, also investigated SDN. From June 2012 to July 2013 (1 year 2 months) Radio Network Tools Team Intern @ •Contributed in Large 2G/3G/LTE communication data visualization and management software system. From July 2012 to October 2012 (4 months)

Master, Computer Science @ Columbia University - Fu Foundation School of Engineering and Applied Science From 2013 to 2014 Bachelor's degree, Automation @ Tsinghua University From 2008 to 2013 Cheng Liu is skilled in: C++, Python, Machine Learning, Matlab, Java, C, Perl, JavaScript, LaTeX, SQL, Kernel Programming, Unix Shell Scripting, Operating Systems, Vim, Ruby