Bartek Chlebek
Senior Software Engineer at Spotify
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolBartek Chlebek is a Senior Software Engineer based in New York with 11 years of experience specializing in iOS and backend engineering. He has a long Spotify tenure where he advanced from iOS Developer to Senior Software Engineer, shipping robust component-driven UI and gesture-sync solutions and improving stability across large-scale mobile products. An active open-source contributor, Bartek implemented convenience initializers and JSON encoding support in Swift's corelibs-foundation and strengthened developer tools like an Xcode plugin (CodePilot) through crash fixes and editor integrations. His background spans product startups and QA at Samsung, giving him a pragmatic blend of hands-on development, testing discipline, and system-level thinking. Known for refining existing systems as much as building new features, he brings a practical focus on reliability and developer experience to mobile platforms.
11 years of coding experience
12 years of employment as a software developer
Computer Science, Computer Science at Polish-Japanese Academy of Information Technology
Github Skills (15)
unit-testing10
nsstring10
objective-c10
swift10
uikit10
macos10
ios10
gesture-recognition10
xcode-plugin10
foundation-sites10
foundation10
uitest8
data-structures8
data-structure8
ui-testing8
Programming languages (7)
Github contributions (5)
macoscope/CodePilot
Apr 2015 - May 2016
Code Pilot is an Xcode plugin which lets you woosh through your code and save a lot (and we mean a *lot*) of your time.
Role in this project:
iOS Developer
iOS DeveloperContributions:22 commits, 19 PRs, 15 pushes in 1 year 2 months
Contributions summary:Bartek primarily contributed to bug fixes and code improvements for the Code Pilot Xcode plugin. These changes addressed crashes related to user input and improved the overall stability of the plugin. The contributions included refactoring of code, and integration of new features like external editor integration. These commits reflect a strong focus on refining existing functionality and expanding the tool's capabilities within the Xcode environment.
lotswiftiosmacosxcode
swiftlang/swift-corelibs-foundation
Dec 2015 - Nov 2017
The Foundation Project, providing core utilities, internationalization, and OS independence
Role in this project:Back-end Developer
Back-end DeveloperContributions:75 commits, 24 PRs, 75 comments in 1 year 11 months
Contributions summary:Bartek implemented several new convenience initializers for `NSString`, enabling the creation of strings from byte arrays, `NSData`, and C strings with specified encodings. They also added unit tests to validate the functionality of these new initializers. Furthermore, the user added functionality by implementing `JSONEncoder`.
tvostranslationinternationalizationfoundationindependence
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