Three in-person interviews over 3 weeks which included a project and presentation. No phone screening interview. Overall the interview process was fairly enjoyable and straightforward. Talking about past experiences and projects, build a product to solve a specific problem, then present and if good enough, meet CTO.
The one thing that really bugged me besides it being three separate in person interviews was that after I was rejected, I had asked for feedback so that I can do better in the future but never heard back from anyone. Normally this wouldn't bug me as much but if a candidate meets a potential employer on three separate occasions and builds a product plan and presentation, I would like some useful feedback.