Yunzhi Lin
Machine Learning Engineer @TikTok
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WORK HISTORY
Machine Learning Engineer @TikTok
Bellevue, WA, US
Built and deployed ranking models for a billion-user-scale live e-commerce recommendation system, optimizing decisions under noisy, delayed, and non-stationary feedback with latency and stability constraints- Developed conversion prediction and user intention signals for live shopping, translating behavioral signals into calibrated predictive features that contributed to ∼90% YoY GMV growth in the US market- Improved online serving efficiency via cache-aware inference design and flow control, reducing production compute usage by ∼40% while preserving system stability in production
EDUCATION
Georgia Institute of Technology
Doctor of Philosophy - PhD, Electrical and Computer Engineering
High School Affiliated to Nanjing Normal University
High school
Georgia Institute of Technology
Master's degree, Electrical and Computer Engineering
Southeast University
Bachelor's Degree, Automation
ABOUT YUNZHI LIN
I am a Machine Learning Engineer at TikTok, focusing on large-scale video understanding and live recommendation system. My past research has focused on deep learning, computer vision, and robotics, with a particular emphasis on 3D perception and robotic system design.
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