Started with a 20 minute phone interview, then I had to complete 2 online assessments, one was 3 hours and a mix of math and coding questions. The second one was mainly math and took at a later date. Ended with a 4 hour video interview.
-Initial phone screen that lasted ~20 minutes
-Followed by 3 to 4 hour orientation, demo, case study, and recruiter interview (first 2 sessions were group and last 2 sessions were individual)
First is initial phone screen, then technical assessments (multiple), then final 4 hour interview day. A lot of stuff and you don't learn too much about the company until after.