Ondřej Petrželka
Managing Director at PETRŽELKA Digital
Prague, Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolOndřej Petrželka is a managing director and seasoned software engineer with 13 years of experience, based in Prague, who transitioned from hands-on engine work to leading his own digital studio, PETRŽELKA Digital. He is passionate about .NET/C# and game engines, with notable contributions to high-profile projects like Space Engineers (VRage engine) and SharpDX where he improved core engine components, x64 adaptations, and debugging diagnostics. Ondřej also enhanced developer tooling in ILSpy by refining search fitness and reliability, demonstrating a knack for improving developer experience and diagnostics. His background blends deep backend and engine-level expertise with product leadership, and he retains an independent game developer’s mindset—favoring pragmatic, low-level solutions that scale into finished products.
13 years of coding experience
Obchod a marketing, Obchod a marketing at Střední škola teleinformatiky
English, Czech
Github Skills (16)
net10
asp-net10
debugging10
debug10
dotnet10
game-development10
ilspy10
csharp10
game-engine10
game-dev10
directx10
dotnet-core10
linear-algebra9
data-structure9
data-structures9
Programming languages (6)
Github contributions (5)
KeenSoftwareHouse/SpaceEngineers
May 2015 - Jul 2015
Role in this project:
Back-end Developer
Back-end DeveloperContributions:169 commits, 81 PRs, 112 pushes in 2 months
Contributions summary:Ondřej's initial commit, included the initial sources of the game and VRage. Subsequent commits reflect a focus on the project's core engine, with modifications to foundational components such as MyPositionComponentBase, involving matrix operations, bounding volumes, and position-related functions. They also incorporated changes related to character collision damage and ragdoll physics.
icsharpcode/ILSpy
Dec 2015 - Oct 2016
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits, 1 PR, 3 comments in 9 months
Contributions summary:Ondřej primarily focused on improving the search functionality of the .NET Decompiler. Their contributions included implementing search result sorting based on a "fitness" metric, allowing users to customize the sorting behavior. The user also addressed a bug related to missing search results and refactored code to use tabs instead of spaces. Finally, they refined the fitness calculation and addressed an issue with fitness calculation in searching.
dotnetilspydecompilepdbmono
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