Before they even give you the courtesy of a phone screen, they ask you to complete a 1.5 hour Codility exercise. To be honest, I find it demeaning to ask someone to spend time doing leetcode before even speaking to them, since a 100% pass isn't even a guarantee they will call you.

1. Online test 2. Explanation of the solution to the online test 3. Panel interview (a business problem, and it's solution over 3 hours) and behavioral (manager and someone else, 2 hours)