Hi, I’m John Stimac!

I currently work for Yelp as a Tech Lead in their Data Infrastructure org. On the side, I like programming for the web and exploring the intersection of art and technology.

I have Bachelor’s in Computer Science from Purdue University.

Below you can find a short (but by no means exhaustive) list of some projects I’ve worked on.


Color Builder

2019 – 2021

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The best color picking tool you’ll ever use! Easily select colors and build gradients, then copy in the format of your choice.

Untitled Platformer (wip)

2016 – present

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I’m currently working on a roguelike-platformer game written in C++. It will feature heavy use of story elements and procedurally generated content.

Planet Generator


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Planet Generator is a little script to generate gas giant atmosphere textures. The demo shows them mapped to a sphere, cause planets are round.

Square Cities


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Square Cities uses procedural generation to create a city of roads and buildings.

Golf Game


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Golf game is a small project I worked on to implement a mini golf video game using WebGL.

Lines and Circles


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Lines and Circles is an interactive experiment in procedurally generated art.

Cloud Generator


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Cloud Generator is a quick program to procedurally generate a low-poly cloud.



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Waterfall explores using technology to create moving art.