Kacper Wiszczuk
Senior React Native Developer
Wrocław, Lower Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolKacper Wiszczuk is a Senior React Native Developer based in Wrocław with a decade of professional experience building mobile-first applications and developer tools. He has contributed to flagship open-source projects such as facebook/react-native and react-native-community/cli, improving templates, build flows and the local-cli so teams can initialize and link apps more reliably. At Callstack and Codility he focused on front-end and React Native ecosystems, shipping components, RTL and TypeScript support, and enhancing testing utilities to raise developer experience and accessibility. Comfortable across full-stack and tooling concerns, he combines production engineering with open-source maintenance—a useful mix that surfaces in both bug fixes and infrastructure-level improvements few frontend engineers tackle.
10 years of coding experience
6 years of employment as a software developer
Inżynier (Inż.), Informatyka, Inżynier (Inż.), Informatyka at Politechnika Wrocławska
Polish, English
Stackoverflow
1,867reputation
253kreached
32answers
0questions
npm
top-5%
typescript
top-5%
yarnpkg
top-5%
javascript
top-5%
Github Skills (36)
javascript10
mobile-development10
react-native10
testing10
typescript10
templater10
template-engine10
ui-design10
uid10
front-end-development10
jestjs10
typescript-types10
typescripts10
template-tags10
react10
Programming languages (7)
Github contributions (5)
react-native-community/cli
Nov 2018 - Jan 2022
The React Native Community CLI - command line tools to help you build RN apps
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:4 releases, 57 commits, 117 PRs in 3 years 3 months
Contributions summary:Kacper primarily contributed to the React Native Community CLI project by implementing and improving the local-cli functionality. Their work involved making the local-cli run by setting up Babel transformations, configuring various aspects such as module setup, and fixing dev tool opening. The user also made changes to improve the package linking functionality. The contributions span across the codebase, touching core functionality and various utilities.
reactyarnreact-nativejavascriptcommand-line-tools
callstack/react-native-testing-library
Oct 2018 - Mar 2020
🦉 Simple and complete React Native testing utilities that encourage good testing practices.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:1 review, 27 commits, 55 PRs in 1 year 5 months
Contributions summary:Kacper primarily contributed to the implementation and testing of features within the React Native testing library. They focused on adding new functionalities, such as the fireEvent API, and incorporated Typescript types, which improved the developer experience. Furthermore, they addressed code quality and maintainability through bug fixes, refactoring, and removal of deprecated code. The user's work also involved the integration of accessibility features.
reactreact-native-testingjestreact-nativetesting
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.