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Hechao Li

@hechaoli

I build scalable AI, search, and distributed systems powering millions of requests.

United States
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At OpenAI, I lead backend architecture for the Deep Research API, building distributed agent orchestration, document ingestion, vector retrieval, RAG, and LLM observability systems for citation-backed research across web-scale and enterprise data.

Previously at Netflix, I built LLM-integrated conversational search and personalized ranking infrastructure with sub-second serving performance. At Facebook, I developed transaction, consensus, execution, and storage systems for Diem, and at VMware Wavefront, I built high-scale time-series ingestion, analytics, and anomaly detection platforms.

Experience

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Education

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Carnegie Mellon University logoCU

Carnegie Mellon University

Master of Science, Computer Science

2015 - 2016

Pursued a Master's degree in Computer Science at Carnegie Mellon University from 2015 to 2016.

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