Round 1 System Design
Design realtime system to fetch stock prices at -

1. Current moment
2. 1 day
3. 24 hrs
4. 1 month
5. 6 months
   

Round 2 Concurrency
Typical producer consumer problem.

Round 3 Coding
https://leetcode.com/problems/find-the-celebrity/
https://leetcode.com/problems/coin-change/

Round 4 Coding
https://leetcode.com/problems/find-leaves-of-binary-tree/
https://www.***.org/the-lazy-caterers-problem/ (g4g)

Round 5 Hiring Manager
Design Amazon search