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Amazon | SDE 2 Interview Experience

Round 1: DSA

Questions:

  1. Alice and Bob are playing a game. There is a list of n integers. Both players can select some integers, add it to their score and remove it from the list. Alice goes first and then Bob goes, and the game continues until the list is not empty. Both players play optimally. What can be the minimum value of (A-B) [A is Alice's score at the end, and B is for Bob]? Additionally, Bob is allowed to change the values of some integers by at most k. He can only add, and not decrease the values.
  2. Medium level Priority queue question.
  3. Leadership principle questions (10-15 min).
Candidate's Approach

The candidate was able to solve both DSA problems and felt confident about the leadership principles questions.

Interviewer's Feedback

No feedback provided.


Round 2: Problem Solving

Questions:

  1. Leadership principles (20-30 min).
  2. Boundary traversal of a tree.
Candidate's Approach

The candidate was able to solve everything in this round.

Interviewer's Feedback

No feedback provided.


Round 3: HLD

Questions:

  1. Leadership principles (20-30 min).
  2. HLD of BookMyShow (focus on booking part, handling a lot of customers at the same time).
Candidate's Approach

The candidate felt that the leadership principles didn't go well, which led to panic and ultimately affected the performance in the HLD part.

Interviewer's Feedback

No feedback provided.


Round 4: LLD

Questions:

  1. Leadership principles (30 min).
  2. LLD of Splitwise.
Candidate's Approach

This round went quite well for the candidate.

Interviewer's Feedback

No feedback provided.


Verdict

The recruiter called after 2 weeks, stating that the HLD was not satisfactory, so they could not offer the SDE 2 role. Instead, a System Development Engineer role was offered, which the candidate declined.