Applied through a referral from a friend. Started with a recruiter screen, then went to a 1 hour technical interview over the phone, and ended with an all day interview onsite. Overall the interview was very practical and mostly involved building things in Javascript, HTML, and CSS. There were more CSS questions than I expected, so make sure you're comfortable positioning items and building layouts under time constraints and while being watched by an interviewer.

I spoke to the recruiter on the phone, then I had a code test with one of the engineers in San Francisco. The position was for an in house front-end engineer in Salt Lake City. It would not have been a negative experience if the rules of the coding test were given up front. The recruiter also seemed way more excited than the next interview. The recruiter also did not properly explain how the code interview worked.