2 back-to-back 1 hour video interviews, consisting of resume questions, ML basics, and a leetcode medium level coding question. The interviewers are pretty nice and helpful. There's also time at the end of the interview to let you ask about the company and the role.

Two rounds of back-to-back interviews. First round, a scientist asks about basic statistics and ML questions. Second round, an SDE asks an LC question. Everything is on CodeSignal, you have to write all of your thinking process.