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uber | L4 | Bangalore | Hydrabad | dec - 2024 | selected

Pre-Screening Test

Questions:


Round 1: Screening (DSA)

Questions:

Candidate's Approach

Solved using O(N²) DP and passed the tests. Discussed the possibility of an O(N) solution but didn't write the code.

Interviewer's Feedback

No feedback provided.


Round 2: DSA

Questions:

Candidate's Approach

Solved and successfully ran the code within the time limit.

Interviewer's Feedback

Strong Yes.


Round 3: Low-Level Design (LLD)

Questions:

Candidate's Approach

Explained push-based and pull-based models, along with class structures and functionalities. Couldn't run the code but covered all design aspects.

Interviewer's Feedback

Yes.


Round 4: Hiring Manager (HM)

Questions:

Candidate's Approach

No approach provided.

Interviewer's Feedback

Strong Yes.


Bar Raiser Round (HLD)

Questions:

Candidate's Approach

Focused on WebSockets and messaging queues.

Interviewer's Feedback

Yes.


Outcome


Preparation