Bartłomiej Bukowski
Software Engineer at Expo.io
Krakow, Lesser Poland Voivodeship
Summary
🤩
Rockstar🎓
Top School
Top expert inCross-Platform Mobile Development with React Native
Bartłomiej Bukowski is a software engineer based in Krakow with a decade of experience building mobile and full-stack applications, primarily focused on React Native and the Expo ecosystem. At Software Mansion he has designed and maintained core Expo SDK features and native modules across Android and iOS, authoring fixes and features used by many apps (including contributions to the widely used expo/expo repository). He writes across Java/Kotlin, Objective-C/Swift and TypeScript, and has a track record of simplifying complex client code, diagnosing cross-platform bugs, and owning SDK releases and developer tooling. Beyond coding, he manages community interactions—triaging issues, reviewing PRs, and mentoring contributors—and has acted as a technical recruiter handling dozens of hires yearly. He also builds production features for clients (real-time camera streaming, advanced image previews) and has created developer resources like stateofreactnative.com. His blend of deep open-source contributions and hands-on product work makes him a practical systems thinker who thrives at the intersection of platform engineering and developer experience.
10 years of coding experience
AGH University
English, Polish
Github Skills (8)
mobile-application10
ios10
react-native10
mobile-development10
app-dev10
android-development10
image-processing9
camera-api9
Programming languages (6)
Github contributions (5)
expo/expo
Jun 2018 - Jul 2022
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
Role in this project:
Mobile Developer
Mobile DeveloperContributions:1100 reviews, 657 commits, 548 PRs in 4 years 1 month
Contributions summary:Bartłomiej made multiple commits focused on enhancing the `expo/expo` repository, a framework for building universal native apps with React. The contributions involve adding functionality to manipulate media library photos on iOS and creating a SMS module for Android. Furthermore, the user addressed bugs in the camera module and implemented fixes for screen orientation and various issues related to the image picker across both iOS and Android platforms.
ios-androidiosmobileweexframework7
RhinolamerSonwar/expo
Feb 2022 - May 2022
An open-source platform for making universal native apps with React. Expo runs on Android, iOS, and the web.
Contributions:46 commits in 3 months
reactreact-nativeios-androidandroidruns
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