Pieter De Baets
Software Engineer at Meta
England, United Kingdom
Summary
🤩
RockstarPieter De Baets is a seasoned Software Engineer with 16 years’ experience, based in the UK and currently a core contributor at Meta working across React Native and Reality Labs. He has a strong cross-platform background—from iOS app work and Android UI frameworks to low-level JavaScript engine internals—having contributed to high-profile open-source projects like React Native, Hermes, Metro and Yoga. At Meta he led technical efforts for Oculus Venues and now bridges internal partnerships between React and Reality Labs, focusing on developer-facing infrastructure that accelerates product teams. Pieter’s commits show a practical emphasis on performance, robustness and compatibility—adding virtual destructors in Hermes, implementing NativeState API support, and optimizing layout and rendering paths. Colleagues rely on him for thoughtful internal refactors and for shipping reliable, platform-spanning improvements that often live deep in the stack. He pairs hands-on engineering with a habit of fixing subtle correctness and efficiency issues that pay off at scale.
16 years of coding experience
Stackoverflow
3,458reputation
381kreached
29answers
2questions
ios
top-5%
Github Skills (64)
kotlin10
objective-c10
color-picker10
image-picker10
javascript10
c-language10
ios10
react-native10
number-picker10
people-picker10
react-native-component10
ui-design10
java10
jscript10
javas10
Programming languages (15)
Github contributions (5)
facebook/yoga
Mar 2016 - Nov 2022
Yoga is an embeddable layout engine targeting web standards.
Role in this project:
Backend Developer
Backend DeveloperContributions:9 commits, 3 PRs, 1 push in 6 years 8 months
Contributions summary:Pieter contributed to the Facebook/yoga repository, which is a layout engine targeting web standards. Their work included optimizing edge value resolution, simplifying methods related to layout, and modifying methods used in calculating layout. The user also marked methods as constant, potentially for compatibility with other systems. Overall, the commits suggest a focus on performance and internal optimization of the layout engine's core logic.
followlayoutandroidupdatescross-platform
facebook/metro
Sep 2015 - Sep 2022
🚇 The JavaScript bundler for React Native
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:17 commits in 7 years
Contributions summary:Pieter primarily contributed to the JavaScript bundler, Metro, focused on enhancing its functionality and improving code quality. They implemented and enabled Jest tests for various components, including Activity and Transformer. The user also addressed console logging and error handling, modifying console and error-guard polyfills. Additionally, they performed code cleanup and reorganizations within the codebase.
reactbundlerreact-nativejavascriptflowtype
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