Mixpanel is always looking for engineers to either fill out our backend team (working on a real-time data crunching datastore we built in-house) or on our front-end team (building out JS infrastructure to accelerate how fast we can build products for users).
Email us at REDACTED_EMAIL or head over to <a href="http://mixpanel.com/jobs" >http://mixpanel.com/jobs</a>
Check out our dev blog too: <a href="http://code.mixpanel.com" >http://code.mixpanel.com</a>