InterviewStreet (YC '11) is solving technical hiring through interesting, practical problems (like Stripe's recent CTF). You'd be employee #7.
We're looking for:
* Campus Coordinator (non-technical): http://blog.interviewstreet.com/2012/02/help-interviewstreet...
* UX / UI designer: https://news.ycombinator.com/item?id=3553649
For both, send an email to mike+recruiting@interviewstreet.com