YOE: 5
Location: Redmond, WA
Position: SDE 2 (Level 61)

Phone round:
https://leetcode.com/problems/longest-palindromic-substring/

4 On-site rounds:

Round 1:
https://leetcode.com/problems/meeting-rooms-ii/

Round 2:
Design round. Discussion about Search query. How to store data to have fast search.

Round 3:
https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/

Round 4:
https://leetcode.com/problems/spiral-matrix/
Vaccum Robot: There is a 2-d grid with obstacles. Robot has a starting position. How will it clean the whole room? Just discussion around ways to solve it. No coding.

My design practice sources:

http://blog.gainlo.co/index.php/category/system-design-interview-questions/

https://www.interviewbit.com/courses/system-design/