Hotstar | SDE 2 | Data Engineer | April 2024 | Rejected

Company : Hotstar
Position : Sde 2 ( Data Engineer )

Round 1:

• https://leetcode.com/problems/longest-consecutive-sequence/description/
• Given a n-ary tree , write code to flatten it and store the output in a list.

Round 2 ( LLD ) :

• Develop a generic user profile across Hotstar. The system should be capable of accepting inputs from various analytical teams ( for eg: a propensity score from P13N team or a marketing channel for a user from marketing team) and consolidate all these into a single user profile. The user profile should also allow updates from the inputs on daily cadence and the updates could be applied with different aggregation like min, max, last, first etc.

Round 3 ( HLD ):

• Design a threaded commenting system for Hotstar similar to the one present in Youtube.

Round 4:

• https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/description/

Round 5 ( HM ):

• Behavioural questions

Veridct: Rejected as HLD round feedback is not upto par.