Hanson Wang
Member Of Technical Staff at OpenAI
San Francisco Bay Area United States
Summary
🤩
Rockstar🎓
Top SchoolHanson Wang is a Member of Technical Staff at OpenAI with 12 years of experience building large-scale developer and ML systems across startups and tech giants. He co-founded and served as CTO of a low-code data app startup, and previously led and scaled internal ML platforms and tooling at Meta that powered high-throughput production workflows and personalized A/B testing. A prolific open-source contributor, Hanson has deep roots in developer tooling—contributing to high-profile projects like Facebook's Flow, Atom, and flow-typed—bringing strong static-typing, parsing, and code-indexing expertise. He blends research and product instincts from work on Codex and academic roots in combinatorics, enabling practical innovations in code analysis and ML-driven developer experiences. Known for shipping production-grade C++ and backend systems as well as higher-level ML infrastructure, he thrives at the intersection of developer productivity and applied machine learning.
12 years of coding experience
12 years of employment as a software developer
Bachelor of Computer Science Computer Science, Bachelor of Computer Science Computer Science at University of Waterloo
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (36)
atom-editor10
libstdc10
libc10
javascript10
parser10
lib10
type-check10
libudev10
coffeescript10
lexer10
package-management10
electron10
libdispatch10
typescript10
rxjs10
Programming languages (13)
Github contributions (5)
facebookarchive/pfff
Jun 2014 - Jul 2015
Tools for code analysis, visualizations, or style-preserving source transformation.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 2 pushes in 1 year 1 month
Contributions summary:Hanson contributed to the code analysis tools within the repository, specifically enhancing the PHP parser. Their work included adding support for class constant typehints, function unpacking, and anonymous/nested shapes. They also addressed parsing issues related to lambda expressions and made adjustments for double-angle bracket syntax. The user's contributions improved the codebase's ability to handle more complex PHP syntax, impacting the functionality of code analysis.
transformationrefactoringvisualizationscode-analysisstatic-analysis
flow-typed/flow-typed
May 2016 - Oct 2017
A central repository for Flow library definitions
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 8 PRs, 4 comments in 1 year 5 months
Contributions summary:Hanson contributed to the `flow-typed/flow-typed` repository by providing type definitions for the RxJS library, ensuring correct typing for observable operations. They addressed specific typing issues related to observables that never produce values, added definitions for switchMapTo and using, and updated existing definitions to be compatible with various Flow versions. Furthermore, the user fixed a type issue related to the `concat` function. These contributions enhance the type safety and overall quality of the library definitions.
libdefsflowtypedefinitionscli
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