About

David Lee is a Senior Software Engineer at YouTube with over 8 years of experience in designing and building large-scale software applications. He possesses solid software development skills in both object-oriented language (Java) and scripting language (Python). David has extensive experience leading development teams and project management. He is well-versed in software development processes, particularly agile methodologies such as Scrum and XP. David is passionate about machine learning, data mining, and big data analytics. David has worked for some of the most prominent organizations in the tech industry, including Facebook and YouTube. During his time at Facebook, he was responsible for designing and building Messenger Platform APIs that power 100K Messenger chatbots to interact with 1.2 billion monthly users on Messenger. He also launched Messenger Platform at F8 2016 (Facebook’s annual developer conference) to enable developers to build Messenger chatbots. Additionally, he launched Messenger Discover Tab at F8 2017 to showcase the best chatbots and businesses on Messenger in the US. David also designed and built spam-fighting systems to detect and take down posts and accounts violating Instagram’s policy (e.g. spam, porn, violence, etc.) to maintain a clean and safe place for Instagram’s 700 million monthly users. David holds a Master of Science degree in Software Engineering from Carnegie Mellon University, a Master's degree in Computer Science and Information Engineering from National Chiao Tung University, and a Bachelor's degree in Quantitative Finance from National Tsing Hua University. He is proficient in various tech stacks, including Software Engineering, Backend, Big Data, Python, ML, Java, and PHP. With over 13 years of relevant experience, David is a seasoned software engineer with a proven track record of delivering high-quality software products.