Hanson Wang
Member Of Technical Staff at OpenAI
San Francisco Bay Area United States
Summary
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RockstarHanson Wang is a Member of Technical Staff at OpenAI with 12 years of experience building developer tools, ML platforms, and startups from the San Francisco Bay Area. He works on coding agents research and helped launch the Codex agent, marrying research depth with product delivery. Previously co-founder and CTO of Arcwise (a Sequoia Arc cohort startup) and a senior ML/engineering leader at Meta, he led the Looper platform work that personalized A/B tests and automated ML lifecycles at massive scale. An active open-source contributor, Hanson has improved language tooling and editors—work on Atom, Flow, flow-typed and the pfff parser showcases his expertise in parsers, static typing, and high-performance C++ search engines. He combines hands-on systems engineering and research with startup-building experience, uniquely positioned to turn ML research into usable developer products.
12 years of coding experience
12 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (44)
atom-editor10
typecheck10
libstdc10
libc10
javascript10
typescript310
parser10
lib10
type-check10
coffeescript10
libudev10
lexer10
package-management10
electron10
libdispatch10
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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