# Siqiao Chen

> ML at Facebook

Location: Mountain View, California, United States
Profile: https://flows.cv/siqiao

## Work Experience
### Staff Software Engineer @ Facebook
Jan 2017 – Present | Menlo Park, California
FB Reels ML foundation
Leading next generation zero collision hash embedding storage solution in torchrec and FB Reels.
* Used to power ZCH for large cardinality tables (high cardinality).
* Used as cache solution for frozen embeddings.

Leading the cross-org effort to improve GPU training and inference efficiency for all FB Reels model including but not limited to (retrieval, early stage ranking, late stage ranking). Achieved X MW of savings across the board.

Ads ML automation
Worked on blueprints to automate model authoring/experiement and productionalize. This effort is widely adopted by Ads MC and LC process to ship major modeling innovation to all models.

Core system: Data center network routing
Worked on high performance distributed system for routing protocal operated in all FB datacenters.

### Software Engineer Intern @ Facebook
Jan 2016 – Jan 2016

### Graduate Research Assistant @ VACCINE Purdue
Jan 2015 – Jan 2016 | West Lafayette
Analyze and implement Granger Causality Mining on Crime by using R and C++

### Antomation Engineer @ General Electric (GE)
Jan 2013 – Jan 2013 | Beijing City, China


## Education
### Electrical and Computer Engineering
Purdue University

### Electrical and Computer Engineering
University of Michigan

### Bachelor's degree in Automation Engineer Technology/Technician
North China Electric Power University


## Contact & Social
- LinkedIn: https://linkedin.com/in/siqiao-chen-3a255aa8

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Source: https://flows.cv/siqiao
JSON Resume: https://flows.cv/siqiao/resume.json
Last updated: 2026-04-12