Oliver Michalak
Bielefeld, North Rhine-Westphalia, Germany
Summary
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SeniorOliver Michalak is a senior iOS/macOS engineer with 13 years of experience delivering production-grade apps and modernizing legacy codebases through architecture-driven refactors and tooling. He specialises in complex backend integrations, migrations and performance-sensitive UI work, having driven Objective-C → Swift transitions and stability-first rollouts at companies like Sketch, Deutsche Bahn and Free2Move. Oliver pairs hands-on engineering with product and design collaboration to translate requirements into polished flows and reliable releases, and he deliberately applies AI-agent workflows to speed refactorings and improve developer experience. Based in Bielefeld, Germany, he has shipped regulated healthcare, consumer, and award-recognised media apps and quietly built internal developer tools and release processes that keep teams shipping.
13 years of coding experience
Stackoverflow
43reputation
10kreached
2answers
2questions
Github Skills (49)
objective-c10
ios10
ipad10
peer-to-peer10
codable10
apple-tv10
tvos10
multipeer-connectivity10
swift10
iphone10
watchos10
swiftui10
react-native9
flutter9
apple-watch9
Programming languages (6)
Github contributions (5)
omichde/BOMFeedback
May 2015 - Oct 2019
Contributions:19 commits, 10 pushes, 1 branch in 4 years 5 months
omichde/ReadabilityKit
Apr 2020 - Feb 2026
Preview extractor for news, articles and full-texts in Swift
Contributions:6 pushes in 5 years 10 months
newsswifttextsnews-articles
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