Mark Pospesel
Senior IOS Engineer at PassiveLogic
Unterägeri, Zug, Switzerland
Summary
👤
Senior🎓
Top SchoolMark Pospesel is a principal-level iOS engineer with over two decades of software experience and 14 years focused on mobile platforms, currently building products at PassiveLogic while running a bespoke consulting practice. He combines deep expertise in Swift, Objective-C, C#, C++, and even Solidity with a strong background in mathematics and scientific thinking to deliver polished, accessible user experiences, design systems, and custom UIs. Known for leading and mentoring distributed teams across time zones, he has repeatedly created reusable frameworks and engineering IP to raise team-wide standards. His work spans challenging domains—from low-latency video and IoT at Ubiquiti to secure, scalable fintech apps at BlockFi—reflecting a knack for pragmatic problem-solving and performance tuning. Based in Switzerland, he brings a creative, independent mindset tempered by hands-on craftsmanship and a long track record of shipping high-quality, user-centered applications.
14 years of coding experience
22 years of employment as a software developer
Mathematics, Junior Year Abroad, Mathematics, Junior Year Abroad at The University of EdinburghUniversity of California, San DiegoBS, Mathematics, BS, Mathematics at Davidson College
English, Portuguese, German
Stackoverflow
51reputation
3kreached
2answers
0questions
Github Skills (42)
swift-package10
swift10
figma9
dynamic-type9
ios-framework9
accessibility9
autolayout9
readability9
typography9
cocoapods8
containment8
tvos8
controller7
ios7
xcode6
Programming languages (3)
Github contributions (5)
codeandtheory/YMatterType
May 2022 - Dec 2022
An opinionated take on Design System Typography for iOS and tvOS.
Contributions:12 releases, 28 reviews, 43 commits in 7 months
iostvosfigma-to-codeios-uiswift
codeandtheory/ynetwork-ios
Jul 2022 - Dec 2022
A networking layer for iOS and tvOS.
Contributions:2 releases, 3 reviews, 7 commits in 5 months
iosnetworkingtvosios-swiftswift
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