A few projects:
Alikewise, a dating site based on book tastes. Founder & CTO.
Stack Overflow, my current employer. Senior engineer.
Gen, an approach to generics for Go
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
classicalrad.io, a distraction-free, web-based, mobile-friendly directory and player of classical radio stations