Jakub Tkacz
Software Engineering at Expo
Katowice, Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolJakub Tkacz is a software engineer with seven years of experience building mobile-first experiences and native iOS components, currently working at Expo and running his own engineering practice. He has contributed notable fixes and enhancements to the widely used react-native-screens project—improving touch handling, iOS13+ search bar behavior, and example app testing—demonstrating attention to platform-specific UX edge cases. His background spans hands-on roles at Software Mansion and Gofore, plus a master's focus on Human Technology Interaction from Tampere University, blending engineering rigor with user-centered design. Based in Katowice, Poland, he pairs open-source contributions with product delivery, and often surfaces subtle interoperability fixes that improve developer and end-user experiences.
7 years of coding experience
5 years of employment as a software developer
Master's degree, Human Technology Interaction, Master's degree, Human Technology Interaction at Tampere UniversityBachelor's degree, Information Technology, 4.5, Bachelor's degree, Information Technology, 4.5 at AGH University of KrakowAGH University
English, German, Polish
Github Skills (8)
ios10
react-native10
react-navigation9
react-navigation-v69
typescripts8
typescript8
typescript-types8
performance-optimization7
Programming languages (7)
Github contributions (5)
software-mansion/react-native-screens
Aug 2021 - Feb 2022
Native navigation primitives for your React Native app.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:2 releases, 95 reviews, 115 commits in 6 months
Contributions summary:Jakub primarily focused on fixing and improving the React Native iOS components within the `react-native-screens` repository. They addressed touch event issues, implemented fixes for search bar behavior on iOS 13+, corrected a typo related to TV-OS functionality, and contributed to enhancements for the example applications by adding detox e2e tests and adding a fabric example app. These changes aimed to improve the user experience and address platform-specific behavior in navigation and search bar functionalities.
react-native-apptypescriptreact-nativereact-navigation
Ubax/Sysopy
Mar 2019 - Jun 2019
Contributions:117 pushes in 3 months
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