Rens Breur
SwiftUI Framework Engineer at Apple
San Francisco, California, United States
Summary
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Rockstar🎓
Top SchoolRens Breur is a SwiftUI framework engineer with a decade of experience building native iOS experiences and UI frameworks, currently working at Apple after several years improving SoundCloud’s iOS app. He has a track record of shipping product-facing apps—independently releasing titles that have amassed over 39k downloads—and implementing regulatory-compliant backend work for Lightspeed’s German market. Rens combines practical product experience with deep UI engineering, contributing to open-source projects like SwiftTUI where he added layout primitives, scrolling and color support and fixed Linux build issues. Educated in physics at the University of Amsterdam, he brings a methodical, problem-solving mindset to frontend and cross-platform challenges. Based in San Francisco but with roots in Berlin, he blends startup agility with framework-level thinking and an appetite for tackling low-level rendering and cross-platform portability.
10 years of coding experience
7 years of employment as a software developer
Bachelor of Science (BSc) Physics, Bachelor of Science (BSc) Physics at University of AmsterdamGymnasium, Gymnasium at Het Goese Lyceum
Dutch, English, German
Stackoverflow
304reputation
7kreached
6answers
0questions
Github Skills (19)
swiftui-app10
terminal-application10
terminal-ui10
swift10
swiftui10
colors9
scrollview9
layout9
layoutmanager9
linux8
plist6
uikit6
android-source6
xcode6
android6
Programming languages (2)
Github contributions (5)
rensbreur/SwiftTUI
Jul 2022 - Dec 2022
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:11 reviews, 69 commits, 10 PRs in 4 months
Contributions summary:Rens made multiple contributions focused on enhancing the SwiftTUI framework for terminal applications. They addressed build issues on Linux, demonstrating cross-platform development skills. Key contributions include adding features like HStack, ScrollView, and color support, along with refactoring efforts and bug fixes related to layout and screen rendering. These updates collectively improve the functionality and user experience of the terminal-based UI.
macosswiftswiftuiterminal
rensbreur/Yvim
Jan 2021 - May 2021
Contributions:62 commits, 18 pushes, 1 branch in 4 months
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