React Native

React Native is where I spend most of my time. I build production apps, integrate native SDKs, and maintain long-lived products across iOS and Android.

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What I delivered

Built complex mobile features at Porsche Digital including onboarding flows, in-app subscriptions, animations, and real-time video streaming.
Implemented core app functionality for KulturPass with secure storage, validation, and a full React Native upgrade.
Delivered the t-online news app with a hybrid WebView architecture and custom native integrations for Stroeer.
Led the React Native + Expo rebuild of the Kicker streaming app with offline playback and subscription management.
Built device communication, QR scanning, and firmware update flows for ABL, maintaining the app through multiple RN upgrades.

Why it's a skill

I can ship native-quality experiences while keeping performance, stability, and maintainability in focus. That includes integrating SDKs, managing complex state, and evolving apps over multiple years.

Where it shows up

Freelance Developer

I help companies build high-quality software - primarily mobile and web applications, but also backend systems and DevOps infrastructure. From startups to enterprises, I bring ideas to life with clean code and modern technologies.