- Tech lead and full stack iOS engineer at Zynga. Proven skills in the following areas: large scale system, synchronized multi-player game development, Content Manager System, data recovery, push notification, security, payment, Test automation, advertising network Tapjoy/Trialpay, social network integration (Facebook, Sina weibo) and etc. - Strong server and operation knowledge - Filed for 1 patent - Won 2012 Zynga's "People's Choice" of best feature team award: Jump Poker. - 1st Prize, Blackjack Algorithm Contest Winner, Hudson River Trading, 2008 (http://tinyurl.com/kra9nta)

Senior Software Engineer @ From January 2014 to Present (1 year 2 months) Tech Lead/Senior Software Engineer @ From September 2010 to November 2013 (3 years 3 months) Software Developer @ From May 2010 to October 2010 (6 months) Associate Member of Technical Staff @ From August 2009 to May 2010 (10 months)

Master, Computer Science @ Carnegie Mellon University From 2008 to 2009 Computer Science @ Dartmouth College From 2007 to 2008 BS, Software Engineering @ Tianjin University Alex Xu is skilled in: PHP, MySQL, Objective-C, JavaScript, jQuery, Java, C++, Amazon EC2, Amazon S3, Git, Subversion, Web Development, Mobile Applications, Analytics, Google Analytics, Start-ups, Machine Learning, Game Development, C#, Python, Distributed Systems, Web Services, XML, C, Software Development, Perl, Database Design, Software Engineering, iOS development, Eclipse, Agile Methodologies, Hadoop, SQL, Scalability, Java Enterprise Edition