Xinyi Ni
Machine Learning Scientist @ Tiktok | PhD @ UC Davis | RL, RLHF, LLM
- Role
- Machine Learning Scientist at TikTok
- Location
- San Jose, CA, US
- LinkedIn followers
- 500 followers
About Xinyi Ni
Ph.D. specializing in risk-sensitive reinforcement learning (RL), with expertise in integrating large language models (LLMs) with RLHF. Skilled in statistical analysis, data-driven modeling, and building scalable ML solutions.
Experience
Machine Learning Scientist
Jan 2025 — Present · San Jose, CA, US
TikTok Core Recommendation & Content Ecosystem
Education
University of California, Davis
Doctor of Philosophy - PhD
2019 — 2024
Zhejiang University
Bachelor of Engineering - BE
2015 — 2019
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