Kajetan Kazimierczak
Systemutvecklare at Input Consulting
Stockholm, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolKajetan Kazimierczak is a seasoned web developer and architect based in Stockholm with over 25 years of hands-on experience and 11 years of sustained professional work, specializing in C#, PHP, HTML5, JavaScript/TypeScript, REST/WCF services and CMS platforms like EPiServer, WordPress and Drupal. He has a strong track record delivering high-availability, high-traffic sites and backend systems, including long-running projects he co-founded such as PoloniaInfo where he built CMS, forums, payment and SMS integrations. Comfortable across the full stack, Kajetan pairs database design (PostgreSQL, MS SQL) and API work with mobile (iOS/Swift) and performance optimization for demanding sites. He’s experienced in leading international/offshoring teams and in pragmatic system design that considers end users, administrators and future maintainers. An active contributor to open-source civic projects such as Öppna skolplattformen, he brings both entrepreneurial initiative and a user-centered architecture mindset.
11 years of coding experience
15 years of employment as a software developer
Computer networks, Computer networks at KTH Royal Institute of TechnologyMathematics and Computer Science, Mathematics and Computer Science at Stockholm University
Swedish, Polish, English
Stackoverflow
59reputation
10kreached
5answers
0questions
Github Skills (47)
react-native9
blocked9
wpf8
dotnet8
android8
windows8
maui8
uwp8
desktop8
tablet8
msbuild8
csharp8
tizen7
maccatalyst7
ios7
Programming languages (4)
Github contributions (5)
kolplattformen/elev-app.net
Aug 2022 - Dec 2022
Student app written in c# and .NET MAUI
Contributions:88 commits, 37 PRs, 98 pushes in 4 months
dotnetuwpandroidmauistudent-app
kajetan-kazimierczak/SwedishBankAccounts
Mar 2019 - Dec 2024
Validate Swedish Bank Account numbers
Contributions:17 releases, 9 PRs, 72 pushes in 5 years 10 months
validationaccountswedishbank-accountswedish-bank
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