Wei S

Principal Software Engineer at Google

San Francisco, California, United States
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Summary

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Senior
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Top School
Wei S is a Principal Software Engineer in San Francisco with 11 years of experience building AI, distributed systems, and full-stack products informed by a PhD in Physics from MIT. He has been a founding engineer or early contributor to high-impact projects—cofounded ProtonMail and helped launch Data Commons, and later shaped core AI APIs and multi-agent orchestration at OpenAI. His background spans top research institutions and industry (CERN, NASA, Oracle, Google), where he applied machine learning to petabyte-scale scientific data and to production systems that serve billions. Known for shipping infrastructure-grade systems—image/video generation, code execution sandboxes, retrieval and responses APIs—he blends deep research instincts with pragmatic engineering. Notably, he built ProtonMail’s initial end-to-end encryption and architected large-scale knowledge graph infrastructure, showing a rare mix of security, distributed data, and AI expertise. Colleagues describe him as a technical founder who moves quickly from prototype to resilient, high-traffic production services.
code11 years of coding experience
job14 years of employment as a software developer
bookDoctor of Philosophy (Ph.D.), Physics, Doctor of Philosophy (Ph.D.), Physics at Massachusetts Institute of Technology
bookBachelor's degree, Physics, Bachelor's degree, Physics at University of Science and Technology of China
bookShandong Experimental High School
languagesEnglish, Chinese
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Github Skills (63)

simulation10
algorithms10
quantum-chemistry10
client-library10
commons10
quantum-algorithms10
python10
graph10
grpc-go10
mixer10
python-client10
go10
sdk10
api10
api-server10

Programming languages (8)

TypeScriptSCSSJavaScriptGoPHPHTMLJupyter NotebookPython

Github contributions (5)

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Spaceenter/FermiLib

May 2017 - Sep 2017

Contributions:37 PRs, 25 pushes, 27 branches in 3 months
Spaceenter/OpenFermion

Sep 2017 - Jun 2018

OpenFermion: the electronic structure package for quantum computers.
Contributions:6 PRs, 15 pushes, 7 branches in 8 months
quantum-computingelectronic-structurecomputerselectronicquantum
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Wei S - Principal Software Engineer at Google