Coen Helthuis

I love


Hello, I'm Coen Helthuis, a passionate developer specializing in game and application creation. Welcome to my website, where you can explore my personal projects and professional experience.

🎮 Gameplay Programmer

With extensive experience in:

  • 🎮 Unreal Engine 4 & 5
  • 🔧 Proprietary Game Engines
  • 🛠️ Unity

Since 2021, I have been contributing to Playground Games as a gameplay programmer, where I continue to expand my expertise and enhance game development.

💼 Professional Highlights:

  • 🔹 Expertise: Creating immersive and engaging gameplay experiences
  • 🔹 Experience: Proven track record in both commercial and proprietary game engines
  • 🔹 Continuous Improvement: Dedicated to refining and advancing game development techniques

📂 Portfolio:

I invite you to explore my portfolio to see examples of my work. Your feedback is highly valued and greatly appreciated.


This is all the work I am allowed to show. I have worked on some confidential projects which cannot be shown for obvious reasons. Click on a tile to be redirected to the details page of a project.

  • All
  • Unreal Engine 4
  • Unity
  • OpenGL
  • ForzaTech
  • VR/AR


Here you can find my work experience and my degrees.

Recent blog posts

Coming soon.


University of Saxion & Game Engineer

2015 - 2019

University of Saxion, Enschede, The Netherlands

Graduated Cum Laude, Bachelor of Science

ROC Van Twente & IT

2013 - 2015

ROC Van Twente, Almelo, The Netherlands


Professional Experience

Gameplay programmer - FABLE

2021 - Current

Leamington Spa, United Kingdom

  • NDA Features
  • Write technical design documents.
  • Worked in a multi-disciplinary team, from concepts to code reviews & testing to finalization of code implementations
  • Code reviews frequently, almost daily.

C++ / WebGL Developer

2020 - 2021

Recognize, Almelo, The Netherlands

  • Helped optimizing a real-time back-end C++ & front-end radar system to detect underground objects.
  • Created back-end AR system to convert 3D models towards GLTF & USDZ to fully utilize mobile platforms.
  • Worked with BabylonJS.
  • Learned about Azure & .NET.
  • Code reviews frequently, almost daily.

C++ developer, NDA

2019 - 2020

N.E.P., Hilversum, The Netherlands

  • Worked with Unreal Engine 4 to provide support to an internal plugin.
  • Provided and maintained C++ code to extend an internal platform.
  • Learned how to be proficient with Lua to quickly create front-end code, and its bindings with the C++ back-end
  • Worked in a multi-disciplinary team, from concepts to code reviews & testing to finalization of code implementations.

Gameplay programmer, Intern

2017 - 2018

Turtleneck Studios, Hilversum, The Netherlands

  • Prototyped several mechanics.
  • Refactored and maintained several mechanics.
  • provided support to improve and debug existing gameplay features.
  • Helped to work on new gameplay mechanics.
  • Worked on new camera mechanics.
  • Code reviews weekly.


Down below I have listen my skills based on the active years of experience I have worked with them.

C++ 5+ years experience.
C# 6+ years experience.
Git (Source control) 6+ years experience.
Unreal Engine 4/5 5+ years experience.
Unity 2 years experience.
Azure / .NET 1 year experience.


Feel free to contact me about anything, I am always open for a chat. Contact can range from job related topics to even feedback and/or questions about my work.


Leamington Spa, The Netherlands

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