Open source I maintain, ventures I founded, and commercial apps I helped ship.
Animation, gestures, offline support, native bridges. Problems I hit at work, extracted and maintained in public.
react-native-offline
One of the most popular libraries for managing offline mode in React Native, with redux integration via middleware. ~40K average downloads per month.
react-native-scroll-bottom-sheet
Cross-platform scrollable bottom sheet with virtualisation support and native animations at 60 FPS. Top trending on GitHub, Reddit and Hacker News.
react-native-chatgpt
A React Native wrapper around ChatGPT that handles authentication, streamed responses and conversation state without a backend of your own.
timer-live-activity
Seamless integration of iOS Live Activities into React Native, with two-way communication between the app and the Dynamic Island.
react-native-animated-stopwatch-timer
Stopwatch and timer component that smoothly animates the digit changes, with every layout animation running on the UI thread.
reanimated-collapsible-navbar
Declarative implementation of a collapsible navigation bar with snapping in React Native, built on Reanimated.
Founder-side experience. Owning the product, the platform and the release train, not just a ticket queue.
Running marketplace · Spain
A marketplace connecting runners with training sessions and events from local running clubs in Spain. I am the sole engineer and technical co-founder, so the apps, marketing site, backend, infrastructure and the release cycle on both stores are all mine.
Creator marketplace · London
Co-founded and led as CTO. A one-stop shop to arrange photo shoots in London, connecting creators with brands looking to grow their online presence. Zero to live on both stores, with a paid tier inside six months.
Events discovery · Wrocław
A mobile application for leisure seekers to discover unique events and activities in their city with a few taps. My first product built end to end, alongside a full-time engineering job.
Commercial products where I owned the mobile side, or the hardest part of it.
A groundbreaking music service where you will find material with recorded audio files, digital sheet music and film for choral and solo singing
A sustainable bank that offers a beautifully crafted wooden card, where 80% of its profits go toward reforestation projects
Affordable insurance for everyone, with customizable coverage and charges solely based on the miles your car drives
Feeld is a dating app for the kind of personal exploration that makes life meaningful, for the curious and open-minded
