Phone screen with hiring manager, then onsite final round with people from Product, Engineering and Design. It was a great experience, and every interviewer had challenging, but enjoyable questions.

Pretty unprofessional, after the phone technical HR insisted that I come in for an onsite with 36 hours notice, or the position may no longer be open. Four hour-long interviews back to back with no lunch break, ate lunch during one of the interviews while the interviewer (video from SF) was not eating lunch due to time change