Hi 👋, I'm Jakub Kasprzyk

20 yo Mobile Software Engineer · 3 years of commercial experience

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🧠 About Me

Mobile Software Engineer focused on building high-quality mobile applications.
I mainly work with React Native and native mobile technologies.
Experienced in commercial product development, open-source contributions, and long-term product maintenance.

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🛠 Tech Stack

• Mobile: React Native, Expo, Android (Kotlin), iOS (Swift)
• Native modules: Nitro Modules, C++
• Frontend: React, Next.js, TypeScript

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📦 Open Source

Native modules I build and maintain at GMI software:

• react-native-better-maps – npm – High-performance maps for React Native built on Nitro Modules and the New Architecture, backed by MapKit on iOS and Google Maps on Android
• react-native-better-clustering – npm – Faster drop-in replacement for react-native-map-clustering, same MapView API with a C++ supercluster engine underneath

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💼 Experience Highlights

• GMI software (2026–Present) – Open-source native modules for React Native
• App Magic (2025–2026) – TapNote (AI-powered mobile app)
• Software Mansion – Internship (2025) – Open-source Radon IDE
• MMLab Cloud / MyMusic (2022–2025) – MUGO, JustWin

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🚀 Personal Projects

• Miniliga – miniliga.app – Web & mobile platform for managing amateur and semi-pro football leagues
• Łatwa Ustna – latwaustna.pl – AI-powered platform preparing Polish students for the Matura exam in Polish

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📊 GitHub

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📫 Contact

Email · LinkedIn · Twitter