Kacper Mikołajczak
Frontend Developer at Callstack
Katowice, Silesian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolKacper Mikołajczak is a frontend developer with six years of experience, currently building developer-facing interfaces at Callstack and previously contributing at Rollup, Acaisoft, and TheWidlarzGroup. He holds a BE in Informatics and brings a strong interest in databases, graphical engineering, and modern browser APIs to his React-focused work. A React enthusiast and co-creator of the react-native-notificated library, he enjoys exploring development design and pragmatic patterns for cross-platform UIs. His background shows a mix of short-term, high-impact engagements and sustained product work, giving him a knack for shipping features quickly without sacrificing code quality. Based in Katowice, Poland, he pairs hands-on engineering with community-minded open-source contribution—plus an unexpected creative outlet: an avid board gamer and amateur footballer.
6 years of coding experience
1 year of employment as a software developer
Bachelor of Engineering - BE, Informatyka, Bachelor of Engineering - BE, Informatyka at Politechnika Częstochowska
Github Skills (24)
financial10
react-native10
chat10
toast10
notification10
collaboration10
react-navigation10
react10
redux9
notification-center9
persistent9
boilerplate9
state-management8
android8
react-native-web8
Programming languages (3)
Github contributions (5)
kacper-mikolajczak/ExpensifyApp
Sep 2023 - Oct 2024
Contributions:376 pushes, 20 branches in 1 year 1 month
kacper-mikolajczak/react-native-onyx
Mar 2024 - Oct 2024
Contributions:3 PRs, 25 pushes, 4 branches in 7 months
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