Hi, I'm Rene.

I'm a full stack developer from Aarhus, Denmark, with 25 years of experience and a weight towards the frontend.

Two 3D hand puppets, one with a crown and one with sunglasses, on a red-curtained puppet stage

Latest highlight

Virtual Puppet Theater

Your hand and voice drive one puppet; Claude improvises the other. Won “Most Creative Opus 4.7” at Anthropic's Built with Opus 4.7 hackathon and was shown at Code with Claude in London.

Demo video Source

Recent writing

Rust, WebAssembly and web-sys May 23, 2020
My experience writing a small browser game in Rust. Learning the ropes of WebAssembly and web-sys.
Galactic Backfire – A Retrospective of my JS13K Entry September 16, 2015
How I made a space shooter that runs in reverse for js13k 2015, and what went right and wrong.
Game round-up May 17, 2015
Three small open source games I made but never blogged about.
Java 7: Try-With-Resources (AutoCloseable) July 22, 2011
How try-with-resources in Java 7 removes boilerplate when working with resources.
Java 7: Project Coin July 17, 2011
A tour of the small language changes in Java 7.
Simple HTML5 Todo List May 18, 2011
A small todo list built with the Ender “no-library library” and local storage.

All posts →