It started with the first contact with the recruiter longer an overview of the company, their mission, culture, and how the whole interview process onwards would be divided. I unfortunately didn't go until the end, but it had a lot of stages. The first was a code challenge more focused on logic thinking, the second was a code challenge more focused on frontend work, the third (and last for me) was focused on thought process in terms of thinking of visual solutions for their platform (something they already have but it was just a way to see how I would approach the same scenario). At the end of each phase I was given some time to ask questions directly to the interviewer.