Senior iOS Software Engineer
Cologne, Germany
Clients and Projects
- trivago
- Vodafone
- adidas
- Fielmann
- Mobile.de
- DFL Digital Sports (Bundesliga)
- Axel Springer
Skills
- Swift
- SwiftUI
- UIKit
- Objective-C
- Xcode
- Core Data
- Swift Package Manager (SPM)
- Xcode Cloud
- Git
- GitHub
- REST
- Scrum
- Kanban
- Combine
Side Projects
with other technologies
- Menu Generator
- Elixir/Phoenix
- SvelteKit
- Python
- 2D RPG Game
- Godot
- GDScript
- QR-Code Wallet App
- Swift
- SwiftUI
- CoreData
- Inventory App
- Swift
- SwiftUI
- CoreData
- Firebase
- Waste Collection Calendar App
- Swift
- SwiftUI
- Data Science
- Firebase
Latest Blog Posts
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- Swift
- EN
Sorting in Swift: From Introsort to Timsort
How a technical interview question about sorting a trillion names sent me down the rabbit hole of Swift's standard library sort implementation.
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- Community
- iOS Development
- Apple
- EN
Relaunching CocoaHeads Cologne
I co-relaunched CocoaHeads Cologne after a multi-year break. Here is how the first meetup went and why a healthy local iOS community matters. Next event: WWDC 2026 keynote watch party on June 8 at STARTPLATZ Köln.
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- AI
- Technology
- EN
TurboQuant: Redefining AI Efficiency with Extreme Compression
How Google's TurboQuant compresses the KV cache of large language models by 4.5x with no accuracy loss, and why that matters beyond the data center.