Zhi Lee
LLM Algorithm Engineer at Z.ai
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolZhi Lee is an LLM algorithm engineer based in Beijing with a strong research pedigree from Tsinghua University and hands-on startup experience in AI productization. He designs robust retrieval-augmented generation systems—most notably ReaRAG—and explores neuro-symbolic approaches to knowledge-based QA, blending structured knowledge and symbolic logic with generative models. His background spans semi-supervised learning and graph neural networks from Shanghai Jiao Tong University and production work on face anti-spoofing and digital avatars, where he led end-to-end R&D to meet ISO presentation-attack standards. Though early in his career, Zhi combines rigorous academic training with practical system-building, often stress-testing models with adversarial distractors and long-context baselines. He also brings a concise, principled research style evident in evaluation-focused projects and publicly shared work on his personal site.
1 year of coding experience
3 years of employment as a software developer
SMK CochraneGCE A-Levels (Science), GCE A-Levels (Science) at Tunku Abdul Rahman University CollegeMaster in Advanced Computing, Master in Advanced Computing at Tsinghua UniversityBachelor of Engineering in Automation, Bachelor of Engineering in Automation at Shanghai Jiao Tong University
Chinese, English, Malay
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (30)
pytorch10
llama10
inference10
tpu10
amd10
llm10
mlops10
llmops10
xpu10
cuda10
transformer10
gpt10
glm10
transformers9
agent9
Programming languages (1)
Github contributions (5)
sixsixcoder/vllm
Sep 2024 - Jan 2025
A high-throughput and memory-efficient inference and serving engine for LLMs
Contributions:31 pushes, 3 branches in 3 months
sixsixcoder/sglang
Oct 2024 - Nov 2024
Contributions:16 pushes, 2 branches in 1 month
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