Yangyang Liu has extensive experience in software development, beginning with a Software Developer Intern position at Research In Motion in 2009, where investigations into resets of pre-release BlackBerry devices were conducted. Following this internship, Yangyang Liu held a Software Developer role at IBM Services from 2010 to 2011, focusing on analyzing defects in C++ compilers and improving testing tools. From 2011 to 2019, Yangyang Liu worked as a Software Development Engineer at Amazon.com, contributing to the design and enhancement of AWS Simple Storage Services index systems. Since June 2019, Yangyang Liu has been employed as a Software Engineer at Google. Yangyang Liu holds a Master of Science in Computer Science from the University of Victoria and a Bachelor of Engineering in Computer Science from the University of Electronic Science and Technology of China.