Karol Kulesza
Topdanmark - Guidewire BillingCenter Developer at Netcompany
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolKarol Kulesza is a Guidewire developer with 12 years of experience building and maintaining insurance core systems, currently working at PZU in Warsaw. He has deep expertise in Guidewire BillingCenter and ClaimCenter, proven by multi-year roles delivering features, performance improvements, production support, and source code reviews across major insurers. Comfortable with both Java/Guidewire customization and operational tooling (C#, Oracle SQL), he routinely diagnoses bottlenecks and automates environment monitoring. An early contributor to iOS open-source (QGrid), he blends backend insurance platform know-how with practical front-end/mobile problem-solving. Karol holds an M.Sc. in Computer Science from Warsaw University of Technology and brings a pragmatic, troubleshooting-first mindset to complex enterprise integrations.
12 years of coding experience
Master of Science (M.Sc.), Computer Science, Master of Science (M.Sc.), Computer Science at Warsaw University of Technology
Stackoverflow
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Github Skills (11)
swift10
swiftui-app10
ios10
swiftui10
toggle9
objective-c6
xcode6
uitableview6
macos6
uicollectionview6
coreml6
Programming languages (6)
Github contributions (5)
Q-Mobile/QGrid
Jul 2019 - Aug 2020
🎛 QGrid: The missing SwiftUI collection view.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:25 commits, 7 PRs, 24 pushes in 1 year
Contributions summary:Karol primarily contributed to the development of the `QGrid` SwiftUI component for iOS. Their work included fixing compatibility issues with different Xcode beta versions, introducing features like a designer area for dynamic configuration, and enabling Mac Catalyst support. Furthermore, the user made adjustments to assets, updated documentation in the README, and refactored code for improved efficiency. They also addressed bugs, improving the component's stability and usability, including refactoring to address compatibility with Xcode 11.
declarative-uiswift5missingswiftios
Q-Mobile/Model2App
Dec 2018 - Jan 2019
Contributions:10 commits, 7 pushes, 1 branch in 23 days
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