resume

Freelance senior software engineer in San Francisco, CA. Available for part-time consulting and contracts. <jtschoonhoven@gmail.com>

newsroom

Demo of Seriously.js WebGL video effects, including green screen, kaleidoscope effect, and more. Be the television you want to see in the world.

ledmatrix

Python library for driving LED displays from a Raspberry Pi.

mclient

Raspberry Pi kiosk mode for live-broadcast and looping video playback.

shapes

Draw spirographic shapes in browser with javascript.

• Demo

asteroids

Simulate asteroid orbits around earth using data from the NASA API.

• Demo

algorithms

Implementations of essential algorithms and tools for profiling and visualizing their runtime complexity.

• Complexity, visualized

ggd3

An open-ended charting framework in D3. Takes A Layered Grammar of Graphics's approach for a simple API. Visual cues from Tufte. Work in progress.

sql-query-builder

Another SQL string builder for Node. Optimized for BI & data exploration tools. Supports Postgres, MySQL, Microsoft SQL Server, and SQLite.

• NPM package
• Example UI for a BI application