Bartłomiej Dach
Freelance Software Engineer at Samozatrudnienie
Poland
Summary
🤩
Rockstar🎓
Top SchoolBartłomiej Dach is a freelance software engineer from Poland with nine years of professional experience building reliable back-end systems and polished front-end interfaces. He has progressed from junior roles and university teaching assistance to senior engineering positions and now runs his own sole-proprietorship, Moonshot Incorporated. Bartłomiej is an active open-source contributor to the widely used osu! ecosystem, improving core gameplay features, UI layouting, and backend multiplayer mod logic—work that reflects both attention to performance and user experience. He combines a strong academic foundation from Politechnika Warszawska with hands-on expertise in bug fixing, memory management, and cross-component integrations. Known for pragmatic problem solving, he often focuses on the subtle, high-impact fixes (playback speed, score processing, layout interplay) that keep complex systems healthy and enjoyable.
9 years of coding experience
5 years of employment as a software developer
Warsaw University of Technology
Polish, English, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
back-end-development10
laravel-mix10
ui-design10
laravel10
php10
dotnet-core10
oso10
web-framework10
modx10
csharp10
backend10
game-engine9
gameplay9
git9
mechanics9
Programming languages (12)
Github contributions (5)
ppy/osu
Aug 2019 - Jan 2023
rhythm is just a *click* away!
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7172 reviews, 3219 commits, 2270 PRs in 3 years 5 months
Contributions summary:Bartłomiej primarily focused on bug fixes and implementing improvements within the core codebase, addressing issues related to score processing, audio adjustments, and memory management. They worked on modifying the beatmap submission screen to allow users to contribute custom tags and fixes for issues with performance points and playback speed adjustments. The user's contributions demonstrate a focus on maintaining and enhancing the functionality of core game features.
gamemobile-gamebeatmap-parserclick-awayosu
ppy/osu-framework
Nov 2019 - Jan 2023
A game framework written with osu! in mind.
Role in this project:Front-end Developer
Front-end DeveloperContributions:5 releases, 1554 reviews, 600 commits in 3 years 2 months
Contributions summary:Bartłomiej primarily contributed to the front-end aspect of the project, specifically focusing on UI enhancements and improvements to visual elements. They were involved in addressing bugs related to the interplay between graphical and data layouting and also worked on improving the performance of the app. The user also incorporated changes that affect how the visual elements are displayed.
game-frameworksgameosumindgame-framework
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