Felix Van Leeuwen is a software developer based in The Hague with 11 years of experience building backend systems and web applications, primarily on the Microsoft stack and Azure. He has a strong track record in ASP.NET MVC and enterprise IT, delivering production software at Sogeti and now DSW Zorgverzekeraar. Beyond corporate projects, Felix contributes to RobustToolbox and Space Station 14, improving core multiplayer engine physics, collision, and item/weapon mechanics in a complex C# codebase. His work shows a pragmatic focus on performance, refactoring, and maintainable back-end architecture rather than flashy front-end features. Trained in Informatica at Rotterdam University of Applied Sciences, he pairs formal education with hands-on game-engine development—demonstrating both disciplined engineering and an appetite for intricate systems. Colleagues value his clear communication and steady delivery across long-lived projects.
11 years of coding experience
6 years of employment as a software developer
Informatica, Informatica at Rotterdam University of Applied Sciences
A multiplayer game about paranoia and chaos on a space station. Remake of the cult-classic Space Station 13.
Role in this project:
Back-end Developer
Contributions:42 reviews, 38 PRs, 204 comments in 6 years 1 month
Contributions summary:Felix implemented several features by adding and modifying interfaces and classes within the C# codebase. Their contributions involved creating new event argument classes and handling attacks and interactions with game objects, as well as adding functionality for item storage. They also modified and added features to weapon components by adding support for magazine insertion and power capacitor manipulation. Further, the user implemented new features such as construction steps and light bulb handling, which added various functional components to the game.
Robust multiplayer game engine, used by Space Station 14
Role in this project:
Back-end Developer
Contributions:10 reviews, 8 commits, 13 PRs in 1 year
Contributions summary:Felix primarily contributed to the back-end logic and physics engine of the game. Their work involved modifying rendering order, implementing locker mechanics, and reworking how friction impacts velocity. Key changes include optimizing collision code, refactoring movement calculations, and adding functionality for storing and retrieving entities within the game's environment. These changes demonstrate a focus on improving the game's performance and core mechanics.
2d-gamespace-stationgamemultiplayer-gamess13
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Felix Van Leeuwen - Software Developer at DSW Zorgverzekeraar