Junjun L.

Junjun L. is a seasoned AI/ML engineer with extensive experience in the technology sector, currently serving as a Principal AI/ML Engineer at Coupang since 2024. Prior to Coupang, Junjun held the same title at Whatnot and was a Principal Engineer at Lyft, focusing on growth platforms and marketplace pricing. Notable prior positions include a Senior Staff Engineer at Uber, where work centered on user targeting platforms, and a Staff Machine Learning Engineer at Twitter, leading the Ads Targeting team. Junjun also contributed as a Principal Software Engineer at @WalmartLabs, developing a product recommendation pipeline, and as a Software Engineer at Amazon, Microsoft, and Bell Labs, specializing in various software development roles. Academic qualifications include a PhD candidacy in Electrical Engineering at The Graduate Center, City University of New York, a Master's from Tsinghua University, and a Bachelor's from Beijing University of Posts and Telecommunications.