David Liu is a Senior Machine Learning Engineer at Pinterest, focusing on building auto ML infrastructure for Trust & Safety models since April 2024. Prior experience includes a Machine Learning Engineer II role at Amazon from May 2021 to March 2024, where work centered on Ads and Devices, and as a Computer Vision Engineer at Huawei, where hand gesture-based command modules for smart TVs were developed. Earlier, David contributed as a Data Scientist at Munich Re Canada, implementing BERT-based semantic matching models, and at Capital One, developing classification models using credit card transaction data. Additionally, David served as an Actuarial Consultant at Milliman, performing appraisals for insurance M&A transactions. David holds a Master of Mathematics in Computer Science and a Bachelor of Mathematics in Statistics and Computer Science from the University of Waterloo.
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