Round 1:
Hackerrank test

Round 2 Problem Solving:

1. Question on tree
2. Find element in row-wise and columnwise sorted matrix

Round 3 DB and problem solving:

1. caching-techniques
2. load-balancers
3. CAP-theorem and its examples
4. sharding-techniques
5. Consistent hashing
6. Simple DP question

Round 4 HLD:
Design twitter

Round 5 Managerial:
Questions about project

Round 6 HR:
HR questions and salary discussion