1 hr call, 2 phone interviews, and a final (4 rounds) interview. The interviewers were friendly and gave lots of hints. But the questions are very difficult. Coding questions can be rated LeetCode Hard.
Interview questions [1]
Question 1
2 phone interviews and a final (4 rounds) interview. Phone interviews are algorithms. Final: 2 algorithms, 1 code review, 1 system design.