Jorn Theunissen
Lead Backend Developer at RecruitNow
Utrecht, Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJorn Theunissen is a Lead Backend Developer based in Utrecht with 13 years of experience building reliable .NET Core backend systems and developer-friendly architectures. He currently leads backend efforts at RecruitNow, working with .NET Core 7/8, RavenDB, Angular, RabbitMQ, and cloud CI/CD on Azure DevOps and GCP. Known for pragmatic engineering, he pairs strong server-side expertise with front-end sensibilities to deliver end-to-end features and maintainable integrations. An active hobbyist game developer with an HBO in Game Development, Jorn has contributed beginner-focused C# tutorials to the open-source Stride game engine, improving onboarding around UI, scene loading, raycasting and animation. He brings a hands-on leadership style rooted in Scrum practices and a knack for turning complex requirements into clear, teachable code examples. Outside work he blends production-grade backend craft with curiosity-driven explorations in game tech.
13 years of coding experience
HBO, Game development, HBO, Game development at Hogeschool van Amsterdam
Dutch, English, German
Stackoverflow
191reputation
13kreached
7answers
10questions
Github Skills (16)
stride10
game-development10
csharp10
game-engine10
dotnet-core10
ui-design9
raycasting9
animation9
raycast9
aspnet-web-api6
azure-resource-manager6
pdf6
azure-arm-templates6
azure6
android6
Programming languages (12)
Github contributions (5)
stride3d/stride
Nov 2019 - Jun 2022
Stride (formerly Xenko), a free and open-source cross-platform C# game engine.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:5 reviews, 110 commits, 24 PRs in 2 years 8 months
Contributions summary:Jorn contributed to the Stride game engine project by adding and improving C# beginner tutorials. These tutorials cover essential aspects of game development within the Stride engine, focusing on UI interactions, scene loading, raycasting, animation, and the usage of various input methods (mouse, keyboard). The user's contributions involved modifying existing code to refine examples, fix potential errors, and add enhancements for improved clarity and functionality.
gamedevvulkanxenkogame-developmentmulti-platform
Aggror/stride-website
Sep 2019 - Oct 2023
Contributions:25 pushes, 24 branches in 4 years 1 month
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