College campus interview followed by four stage on-site interview. Three of the on-site interviews went well, and one went not so well. I'm guessing I was vetoed by that one interviewer. Also keep in mind that they require three references from managers/teachers/bosses. They didn't inform me of this until after the interviews, and I probably wouldn't have applied if they had told me up front.

It's a good interview process. I felt welcomed and it was an enjoyable process. It's a well-built interview that you can clearly see the skills they are looking for and how they help Yelp. My one issue is that they can take a while to get back to you between interviews.