Consulting CTO

I’m Rouven, a software engineer and entrepreneur based in Berlin and South Africa. I have 30+ years of software development under my belt at various ventures, most of them in video games and media. I like learning and building interesting things.

Unwanted statefulness causing mayhem in a Rails application

November 26, 2023

How the Use Case pattern in combination with memoization and a single missing `new` statement caused a severe bug in our platform.

Signed Distance Field rendering of color bit planes

July 8, 2013

Here is a quick experiment I made for a paper art/cut-out look which enables extreme zooming of very low resolution input textures.

A shader for brush strokes

January 30, 2012

For a pet project, I wanted to get an “artistic” look as a real-time post-processing effect, something that looks like water color or a pencil sketch.

Work

Company
UNCAP - Unconventional Capital
Role
CTO
Date
2020 Present
Company
Robot Riot
Role
Founder & Developer
Date
2011 Present
Company
fernsehen.de
Role
Investor & CTO
Date
2013 2014
Company
sofatronic
Role
Founder & CTO
Date
2006 2011
Company
elkware
Role
Founder & CTO
Date
1994 2005