famo.us - SF - <a href="http://famo.us" >
Jobs page: <a href="https://jobs.lever.co/famo.us" >
We are reinventing web apps from first principles.
Front-end: if physics, UI, 3D modeling is your thing, give us a look.
Back-end: if tooling, performance testing, CI and code releasing, distribution is your thing, give us a look.