Rafał Zakrzewski
Engineering Manager at Callstack
Wrocław, Lower Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolRafał Zakrzewski is an Engineering Manager with a decade of experience leading mobile and web engineering teams, currently scaling product and people at Callstack from Wrocław, Poland. He progressed through hands-on roles from React Native Developer to Expert and now manager, bringing deep expertise in React, React Native, TypeScript and Node.js across full-stack projects. A steady contributor to the popular react-native-paper library, he focuses on UI component design and practical documentation improvements that improve developer DX on both Android and iOS. Prior to Callstack, he built full-stack React/React Native and Node.js systems at TimeCamp, owning frontend and backend responsibilities for production apps. He combines technical craftsmanship with team leadership, often moving between coding and mentoring to accelerate delivery.
10 years of coding experience
9 years of employment as a software developer
Informatyka i technologie komputerowe, Informatyka i technologie komputerowe at Wrocław University of Science and TechnologyJavaScript jQuery HTML CSS GIT SASS GULP RWD basic PHP and Wordpress, JavaScript jQuery HTML CSS GIT SASS GULP RWD basic PHP and Wordpress at Coders Lab
Github Skills (10)
uid10
typescript10
javascript10
typescripts10
react-native10
front-end-development10
ui-design10
typescript-types10
uikit9
material-design9
Programming languages (6)
Github contributions (5)
callstack/react-native-paper
Sep 2020 - Jan 2021
Material Design for React Native (Android & iOS)
Role in this project:
Front-end Developer
Front-end DeveloperContributions:8 commits, 2 PRs, 1 branch in 4 months
Contributions summary:Rafał primarily contributed to the React Native Paper library by implementing and modifying UI components. Their work included adding new features to existing components like the `FAB.Group` and the `Card` component, such as the `small` and `innerContainerStyle` props. Furthermore, the user updated documentation and examples to reflect the new functionality and resolved merge conflicts, indicating a role in maintaining and improving the project's code base and documentation. The user's work centered on creating and adapting React Native UI elements.
androidiosmaterial-designreact-nativeui-kit
RafikiTiki/react-native-paper
Sep 2020 - Dec 2020
Material Design for React Native (Android & iOS)
Contributions:5 pushes, 5 branches in 3 months
reactreact-native-androidreact-nativematerialios-android
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.