A few projects:
Alikewise, a dating site based on book tastes. Founder & CTO.
Stack Overflow, my current employer. Senior engineer.
gen, type-driven code generation for Go.
classicalrad.io, a distraction-free, web-based, mobile-friendly directory and player of classical radio stations
Stack Exchange tag correlations, a good way to learn about how technologies relate to one another.
piracydata.org, a project with the Mercatus Center to correlate movie piracy with legal availability.
Better Bird, a Chrome plug in to make Twitter a bit nicer