Onsite

Three Onsite Rounds With a Bar Raiser and Nonstop BQ Challenges

AmazonSoftware Engineer · Onsite · Aug 2025

Round 1 (possibly a bar raiser): The interviewer gave me 2 BQs and 2 coding questions. BQ1: tell me about your project... follow up... BQ2: don't remember. Coding1: given an int array where only one number appears an odd number of times, find and return that number. I used a hash table -> follow-up: how do you optimize the space complexity to O(1)? I got stuck on this one for a while, we went bac…

Shared by a candidate · reported Aug 2025. Interview formats change; use it as a guide, not a script.