CS+Math and EE student at Washington University in St. Louis. I build AI systems, agent safety evals, and reliable infrastructure for tool-using AI.
AI & ML: PyTorch, RAG, LLM evaluation, vector search, scikit-learn, NumPy, Pandas, ChromaDB
Programming: Python, C/C++, Java, TypeScript/JavaScript, SQL
Web & Backend: React, Next.js, Node.js, Express, REST APIs
Infra & Data: Linux, Docker, Git, Nginx, MongoDB, Redis
Languages: Chinese (native), English (TOEFL 114)
- BlueDot Impact AI Safety Fundamentals international cohort
- 2nd place at Moonshot 48 Hackathon (built a smart white cane with YOLOv5 + GPS + AI voice in 48 hours)
- Apart Research Secret Loyalties Hackathon Top 10% of 179 Submissions
- AIME qualifier (2022) · 11 AP 5s
- How to reach me through email: y.qin@wustl.edu · lqn458@gmail.com
- My personal website: www.leoqin.com


