Krzysztof Sikorski
Software Engineer
Warsaw, Masovian Voivodeship, Poland
Summary
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SeniorKrzysztof Sikorski is a seasoned software engineer from Warsaw with over a decade of hands-on experience building reliable back-end systems using PHP and relational databases like MySQL and PostgreSQL. He specializes in integrating third-party systems—APIs, message queues and payment processors—while also bringing practical front-end skills in HTML5, CSS3 and JavaScript to bridge full-stack needs. Comfortable contributing both independently and in teams, he pairs strong analytical problem-solving with pragmatic delivery. Beyond production coding he values maintainability and clear integrations, often tackling the hard plumbing that keeps services resilient. Outside work he identifies simply as a husband and programmer, hinting at a grounded, focused approach to craft and life.
12 years of coding experience
English, Polish
Github Skills (147)
csv-import10
python10
testing10
windows10
firefox-addon10
ublock-origin10
composer10
flask10
thunderbird10
javascript10
chromium10
linux10
text-based10
wsgi10
military10
Programming languages (8)
Github contributions (5)
krzysztof-sikorski/quintolin
Jun 2023 - Mar 2024
Contributions:82 pushes, 15 branches in 9 months
krzysztof-sikorski/shintolin
Sep 2020 - Dec 2021
Temporary fork for submitting fixes
Contributions:3 PRs, 1 push, 3 branches in 1 year 4 months
minecraftfixes
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