Michał Kwiecień
Senior Software Engineer at Whatnot
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMichał Kwiecień is a Senior Software Engineer with nine years of mobile-first experience, specializing in iOS development across fintech, telecom, healthcare and IoT domains. He’s delivered features and led mobile teams at scale—from single-developer greenfield apps to contributing to large, security-sensitive codebases like HSBC’s global mobile banking app. Currently building full‑stack payments and checkout systems at Whatnot, he blends hands‑on engineering with product-minded ownership and team leadership. Comfortable making early technical decisions, improving automation, and reducing technical debt, he also enjoys the business side of product delivery. Based in Kraków, he balances a pragmatic engineering approach with continuous curiosity—sometimes expressed through running and travel.
9 years of coding experience
9 years of employment as a software developer
Inżynier (Inż.) Informatyka, Inżynier (Inż.) Informatyka at Kielce University of Technology
Polish, English
Stackoverflow
2,784reputation
395kreached
80answers
9questions
xcode
top-5%
ios
top-5%
Github Skills (62)
lottie10
image-recognition10
arkit9
coreml9
ios9
objective-c9
newsletter9
xcode9
macos9
swift9
plist9
computer-vision8
cocoapods8
machine-learning8
carthage6
Programming languages (5)
Github contributions (5)
netguru/CarLens-iOS
May 2018 - Jul 2018
CarLens - Recognize and Collect Cars
Contributions:191 commits, 14 comments in 1 month
image-recognitionlottie-ioscarsiosmachinelearning
TechBrewery/dutiesplit-ios
Apr 2018 - Mar 2019
Application manages duties between roommates
Contributions:134 commits, 27 PRs, 49 pushes in 10 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.