Radek Eichler is a seasoned technology leader and hands-on CTO with 15+ years building high-performance, real-time platforms for creative communities and enterprise customers. He co-founded and engineered widely used collaborative tools like Aggie.io/Magma and the web MMORPG Pony.Town (4M+ monthly visits), demonstrating deep expertise in scaling interactive, low-latency systems across browsers and devices. Radek’s background spans embedded medical software, cloud infrastructure, and SPA desktop apps, blending strong architecture judgment with pragmatic implementation. He leads teams while still shipping critical features—everything from drawing engines and creative filesystems to horizontal scaling of drawing servers—and contributes to open-source projects like VexFlow’s music-notation rendering. Based in Gdańsk, he pairs an artist’s sensibility with rigorous engineering practice, focusing on real-time collaboration, performance optimization, and tooling that makes creative work more seamless.
15 years of coding experience
6 years of employment as a software developer
M.Sc. Eng., Distributed applications and Internet systems, M.Sc. Eng., Distributed applications and Internet systems at Gdansk University Of Technology
A JavaScript library for rendering music notation and guitar tablature.
Role in this project:
Front-end Developer
Contributions:6 commits in 17 days
Contributions summary:Radek primarily contributed to the `vexflow` project by implementing and testing music notation rendering features. They added support for tempo markings, creating a `StaveTempo` class and incorporating it into the existing stave structure. The user also expanded the test suite with tempo and multi-measure tests, alongside general code cleanup and refactoring. These changes directly enhance the library's ability to render complex musical notation.
Contributions:4 releases, 19 commits, 17 pushes in 5 years
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