Boy Van Amstel
Senior Mobile Developer at Garmin
Utrecht, Netherlands
Summary
👤
Senior🎓
Top SchoolBoy Van Amstel is a senior mobile developer with 15 years of experience building high-performance, cross-platform apps for iOS, macOS and Android, currently shaping Tacx products at Garmin. He combines deep expertise in Swift/Objective-C, FFmpeg-based audio/video processing, Metal and BLE connectivity with a maker’s instinct from running his own app studio, Danger Cove. Boy’s work spans rapid prototyping, CI/CD and accessibility, and he’s contributed UI and protocol-level improvements to notable open-source projects such as Gifski and OmniAuth. Based in Utrecht, he mentors teams, future-proofs large codebases with gradual SwiftUI adoption, and balances product-level ownership with hands-on engineering. A native Dutch speaker fluent in English, he prefers part-time engagements and often ships polished indie apps that have drawn coverage from FastCompany, Lifehacker and MacWorld.
15 years of coding experience
15 years of employment as a software developer
VWO N&T, VWO N&T at ID CollegeBachelor of Science Communication & Multimedia Design, Bachelor of Science Communication & Multimedia Design at Rotterdam University of Applied Sciences
Dutch, English, Japanese
Stackoverflow
221reputation
7kreached
6answers
0questions
Github Skills (30)
uiimage10
ios10
omniauth10
user-authentication10
authentication10
user-interface10
ui-design10
graphical-user-interface10
human-interface10
ruby10
uicolor10
swift10
macos10
openid10
oauth10
Programming languages (16)
Github contributions (5)
sindresorhus/Gifski
Jan 2019 - Oct 2019
🌈 Convert videos to high-quality GIFs on your Mac
Role in this project:
Front-end Developer
Front-end DeveloperContributions:6 commits, 6 PRs, 39 comments in 8 months
Contributions summary:Boy primarily contributed to the user interface aspects of the `gifski` application. Their work focused on enhancing the visual feedback and user interaction, specifically by adding a cancel button, implementing hover effects, and improving the progress display. They also made changes to the custom button component and improved the visual feedback of the progress display, demonstrating a focus on improving the overall user experience.
gifsmacos-appvideosgifgifski
jathu/UIImageColors
Jan 2019 - Feb 2019
Fetches the most dominant and prominent colors from an image.
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:15 commits, 1 PR, 8 comments in 14 days
Contributions summary:Boy primarily contributed to the iOS example project, updating the UI and implementing macOS compatibility. They added macOS targets and adapted the core `UIImageColors` functionality for the macOS environment. Furthermore, the user refactored and updated example projects and made quality-of-life improvements such as indenting the platform-specific code.
prominent-colorsuiimageitunesfetchesios
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