YOE: 6 years
Level: 61

This was a virtual onsite interview

Round 1:
https://leetcode.com/problems/permutations/
Follow up questions - how to handle duplicates?

Round 2:
Check if there is a path from source to destination.
How to avoid running into loops?

Round 3:
https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree/

Round 4:
https://leetcode.com/problems/meeting-rooms-ii/