Senior Apple Platform Engineer · Berlin, Germany
Building privacy-first Apple products powered by modern Swift and intelligent technologies.
I'm Serdar — a Senior Apple Platform Engineer in Berlin. I design and ship complete Apple products: from architecture and computer vision to the interaction details that make software feel trustworthy.
How I work
Engineering principles
Simple over clever.
The best solution is usually the one a teammate can understand six months from now without a walkthrough. I optimize for clarity first and reach for abstraction only when the codebase has earned it — not before.
Privacy by default.
Data you never collect can never leak. I design systems that keep sensitive information on-device wherever possible, encrypt what has to leave it, and treat every permission prompt as a promise to the person granting it.
Performance matters.
Speed is a feature, not an afterthought. Jank, cold-start delay, and dropped frames erode trust faster than a missing button — so I profile early, budget for the worst device in the fleet, and treat regressions as bugs.
Accessibility is essential.
A product that only works for some of its users isn't finished. VoiceOver, Dynamic Type, and reduced motion aren't edge cases to me — they're part of the same craft as the pixel-perfect layout.
Selected work
Products I've built end to end
Independent · 2021 — Present
Momena
A privacy-first personal application ecosystem I design, build, and ship entirely by myself — from product design and SwiftUI development to StoreKit 2, encryption, marketing, and App Store operations.
Magnosco · 2023 — Present
Magnosco — Diagnostic Imaging Platform
The iOS application connecting a dermatological imaging device to an on-device CoreML diagnostic pipeline, built in close collaboration with imaging scientists.
Diconium (for Volkswagen Group) · 2018 — 2021
Volkswagen — Connected Owner App
The companion iOS app connecting Volkswagen drivers to their vehicles — remote status, trip data, and configuration — rebuilt module by module inside a large, long-lived, multi-brand codebase.
Writing
Notes on building
Lessons from 16 Years of Apple Development
What actually changed my mind about building software, from Interface Builder to SwiftData — and what stayed constant the whole way through.
LLMs Inside Native Apps
Bringing language models into a privacy-first Swift app without turning it into a chatbot wrapper — scoped prompts, honest UI, and knowing what to keep on-device.
Integrating CoreML Into Production Apps
What changes between a working .mlmodel file and a model your users can actually rely on — versioning, thermal budgets, and translating a data scientist's assumptions into Swift.
Have something worth building?
I'm always glad to talk through a hard Apple platform problem — architecture, computer vision, or turning a research prototype into a shipped product.