Zhengyuan Liu
Senior Machine Learning Engineer at Shopify
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolZhengyuan Liu is a Senior Machine Learning Engineer with seven years of experience building large-scale recommendation systems and applied AI, most recently developing agentic features for Shopify Sidekick. Previously at Microsoft News & Feeds he architected ML-driven personalization that reached 100M+ daily active users and powered experiences across browsers, Windows, and mobile. He holds a Master’s in Management Analytics from the University of Toronto and twin bachelor’s degrees from Waterloo and Beijing Jiaotong, blending engineering rigor with data-driven product thinking. Comfortable moving models from research to production, he focuses on scalable systems and online experimentation to optimize user engagement. Colleagues describe him as an applied scientist who balances practical engineering with strong analytical foundations. He brings cross-cultural academic training and product-scale deployment experience to teams tackling high-impact personalization problems.
7 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering - BE Materials Engineering, Bachelor of Engineering - BE Materials Engineering at Beijing Jiaotong UniversityMaster's degree Management Analytics, Master's degree Management Analytics at University of TorontoBachelor of Science Honours Nanotechnology, Bachelor of Science Honours Nanotechnology at University of Waterloo
Github Skills (13)
sentence-embeddings10
retrieval-augmented-generation10
information-retrieval10
llm10
acl8
phonetics8
computational-linguistics8
image7
natural-language-processing5
image-generation4
leaderboard4
language-model2
ranking2
Programming languages (2)
Github contributions (5)
xyyimian/Hifi-Ark
Jan 2019 - Jan 2019
Contributions:26 commits in 8 days
ZhengLiu101/ZhengLiu101.github.io
Nov 2022 - May 2023
Contributions:15 pushes in 5 months
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