Software Engineer @ From November 2014 to Present (1 year 2 months) San Francisco Bay AreaSoftware Development Engineer @ SQL Server Parellel Data Warehousing Team From February 2013 to November 2014 (1 year 10 months) Orange County, California AreaSoftware Development Engineer Intern @ • Designed and developed a multi-tier web-based troubleshooter for the Interactive Listings Application (ILA) team of Amazon using Java, Spring, JavaBean, and Amazon’s proprietary next-generation service framework • Constructed the UI and website of troubleshooter system using JSP, HTML, Javascript, JQuery, CSS and Ajax • Individually responsible for all aspects of the software life cycle and worked with internal client teams to gather requirements and specifications From May 2012 to August 2012 (4 months) Greater Seattle Area

MS, Computer Science @ University of Southern California From 2010 to 2012 Mining Massive Data Sets Graduate Certificate, Data Science @ Stanford University From 2013 to 2015 Bachelor's degree, Computer Software Engineering @ Wuhan University From 2005 to 2009 Zhengyi Liu is skilled in: Scala, Java, Big Data, MapReduce, Hadoop, Algorithms, SQL, Linux, JavaScript, C++, Python, Data Structures, Web Service Development, REST, Web Development