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Case studies

A selection of the apps and platforms I've led, architected and shipped. Some client work is under NDA, so those case studies describe the problem and the outcome rather than the product.

1. 01WhiteboxPrincipal iOS engineer on a BaFin-regulated wealth management app, from organic codebase to enforced modular architecture and fully automated releases.Swift · SwiftUI · Combineapp-store
2. 02Peer-to-peer car rental marketplaceA full product built end to end with an agent-driven workflow on Claude Code, with 400+ pull requests merged in its first four weeks.SwiftUI · TCA · Claude Codepersonal
3. 03Leya AICo-architected an AI English tutor app that reached 1k+ weekly App Store downloads, and sped up deployment by 50% with Xcode Cloud.Swift · SwiftUI · Xcode Cloudapp-store
4. 04Gixon platform rebuildLed iOS through a granular platform rebuild at Software Sauna, saving the client tens of thousands of euros while acting as right hand to the product owners.Swift · UIKit · Fastlanenda
5. 05Pharmacopeia app rebuildRebuilt a legacy reference app at Mindgrub with a maintainable MVVM architecture and moved releases from bi-weekly to weekly.Swift · MVVM · Fastlanenda