Started with a phone screen, pretty standard, then a take home (any stack okay). Suggested time for the take home was 3-4 hours (following initial bootstrapping/setup). So it definitely took me somewhat longer than the 3-4 hours total. They gave me plenty of time to complete it (I think up to a week?). Then it was a one hour virtual conversation with someone on their engineering team to review my solution and make some small updates. Nothing too intense. Following that they had me come in for a 3hr onsite (I think sometimes this is split into two steps but this is what they did for me) which included a 1hr live coding question, 1hr system design, and half hour chats with a product team member and engineering manager. Finally, results were inconclusive so they had me do another hour-long system design and a half hour conversation with the co-founder and CPO. They usually try to include her as part of the main onsite - she likes to talk to everyone. Ultimately it felt like a long process, but they all do. Everyone was nice and the communication throughout was great.

2 coding rounds hackerrank code style (one was full stack where you get to choose your languages/frameworks, and one Python algo type question), one sys design question on a white board, one product design (just a conversation)