Company : Sensibull
Interview Date : Feb 2023
Position : SDE2
YOE : 4.5+

• 1st Round -

1. Current background , db
2. A query involving self-join on the table.
3. API where we need to add or use creds for user
   -> complexities in concurrency, use versioning at db or row locks . or redis lock at user level
4. The infrastructure used, tf . who manages infra , scaling , etc
5. go to language , framework , etc
6. notification system , priority , channels , fanning out, etc

2nd Round
A very complex assignment involving websockets , scheduler , etc.

Verdict : Rejected on assignment