Amazon

The OA round consisted of two difficult questions, mainly on segment trees and DP. It was a great set of questions that required a good amount of intuition. First-timers might not be able to get to the solution. The subsequent rounds were screening

Interview consisted of the below rounds: 1. PSDS Round 2. HLD Round 3. LLD Round 4. Hiring Manager Round Quality of questions was decent. Interviewers were helpful throughout the process. Post process, the HR person was also very helpful.

I applied through an employee referral. The process took 4 weeks. * 1. DSA - question based on level order traversal + 1D DP - Did very well. Handled edge cases and answered all the followup questions on space optimizations. * 2. LLD - question on D