Stephan Vedder
Software Engineer at mbits imaging
Wiesloch, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolStephan Vedder is a software engineer with 11 years of experience specializing in C++ and C# systems, with a strong interest in computer graphics and low-level programming. Based in Wiesloch, Germany, he leads Android development for a cross-platform medical imaging app at mbits imaging while previously building a realtime AR markerless registration prototype during his bachelor thesis. An active open-source contributor, Stephan has improved OpenGL backends, font rendering, and 12-bit JPEG support across projects like Veldrid, libass, ImageSharp and the Overgrowth game engine, showing deep hands-on experience with graphics APIs and cross-platform compatibility. He frequently tackles platform-specific challenges—Windows DirectWrite integration and SDL2 timing fixes among them—indicating attention to interoperability and performance. Colleagues value his knack for pragmatic refactors and memory-safe low-level work that quietly reduces bugs and improves portability.
11 years of coding experience
Bachelor's degree, Informatik, Bachelor's degree, Informatik at Ruprecht-Karls-Universität Heidelberg
English, German, French
Github Skills (33)
c-language10
game-engine10
directwrite10
image-processing10
game-dev10
windows10
net10
dotnet10
c1110
graphic10
render10
c1710
asp-net10
subtitle10
dotnet-core10
Programming languages (23)
Github contributions (5)
OpenSAGE/OpenSAGE
Dec 2017 - Dec 2022
OpenSAGE is a free, open source re-implementation of SAGE, the 3D real time strategy (RTS) engine used in Command & Conquer: Generals and other RTS titles from EA Pacific. Written in C#. Not affiliated with EA.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:99 reviews, 452 commits, 317 PRs in 5 years
Contributions summary:Stephan's contributions centered on implementing core functionality and data structures within the C# codebase of the OpenSAGE RTS engine re-implementation. They focused on parsing and handling constant data files, specifically related to the "Apt" file format, and added a graphical viewer for this data. This included the addition of binary reader extensions for handling a variety of data types and implementing functionalities for 3D graphics using the Veldrid Graphics Library.
re-implementationgameea-pacificc-plus-plusstrategy
WolfireGames/overgrowth
Apr 2022 - May 2022
Open Source codebase of the game Overgrowth by Wolfire Games LLC
Role in this project:Game Developer
Game DeveloperContributions:5 reviews, 71 commits, 30 PRs in 14 days
Contributions summary:Stephan focused on improving the Overgrowth game's codebase, including removing unused libraries to streamline the project. They also integrated ImGui's freetype rasterizer for improved font rendering and implemented compile-time environment detection for platform-specific optimizations. Moreover, the user addressed Windows compilation issues and integrated SDL2 performance counters for cross-platform timing accuracy. Their work involved code modifications related to user input, GUI elements, and platform compatibility.
gamegamesllcwolfirecodebase
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