Karl Lemon-drougge
Senior IOS Developer at Yabie
Stockholm, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolKarl Lemon-drougge is a Senior iOS Developer based in Stockholm with 11 years of hands-on experience building payment systems, consumer apps, and embedded Bluetooth integrations. He has driven core card payment and card reader features at Zettle by PayPal and now leads iOS efforts at Yabie, blending Objective-C and Swift expertise with pragmatic SwiftUI and async experiments. Karl frequently contributes to shared frameworks and has a track record of maintaining production-grade mobile systems that require encryption, hardware integration, and reliability. Outside of mobile, he ships games in Unreal and Unity and is exploring Rust and the Bevy engine, reflecting a curiosity for high-performance and systems-level programming. His background includes both client and backend work across startups and larger organizations, giving him a full-stack mobile perspective. Colleagues rely on him for pragmatic architecture, polished UX delivery, and quiet leadership across cross-functional teams.
11 years of coding experience
8 years of employment as a software developer
Architecture, Architecture at Thorildsplans gymnasiumDatateknik, Datateknik at Kungliga tekniska högskolan / KTH Royal Institute of Technology
Norwegian, Swedish, English, German, French
Github Skills (78)
certificate-pinning10
swift-package-manager10
swift10
uicollectionview10
ios10
networking10
urlsession10
alamofire10
data-driven9
urlrequest9
rust9
instagram9
researchkit9
game-development9
medical9
Programming languages (5)
Github contributions (5)
troligtvis/Oh-no-lava
Oct 2020 - Aug 2022
Contributions:4 pushes, 1 branch in 1 year 10 months
troligtvis/Tell-Me
Oct 2016 - Jul 2017
Contributions:6 pushes in 8 months
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