András Kádár
Senior IOS Engineer at SumUp
Bonn, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolAndrás Kádár is a Senior iOS Engineer with a decade of experience building mobile apps and backend services, currently shaping payments experiences at SumUp in Bonn. He progressed from hands-on iOS development to senior roles across startups and scale-ups, combining strong Swift expertise with practical backend knowledge. Known as a fast learner and reliable teammate, he thrives on challenging problems and integrates quickly into cross-functional teams. His academic foundation in computer science from Budapest University of Technology and Economics complements a track record of shipping production apps since 2013.
10 years of coding experience
9 years of employment as a software developer
Master of Science (M.Sc.) Computer Science Engineer, Master of Science (M.Sc.) Computer Science Engineer at Budapest University of Technology and Economics
Hungarian, English
Stackoverflow
1reputation
0reached
0answers
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Github Skills (60)
dependency-manager10
objective-c10
ios10
openid-connect10
range-slider10
xcode10
specification10
swift10
uislider10
oauth10
cocoapods10
stack-layout9
validations9
collectionview9
generator9
Programming languages (4)
Github contributions (5)
furry-fiesta/furry-fiesta-ios
Jun 2021 - Jul 2022
Contributions:12 reviews, 22 PRs, 50 pushes in 1 year
sumup/AppAuth-iOS
Mar 2021 - Jun 2025
iOS and macOS SDK for communicating with OAuth 2.0 and OpenID Connect providers.
Contributions:6 reviews, 12 PRs, 15 pushes in 4 years 3 months
openidoidcoauth-2authenticationproviders
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