I applied through a recruiter. The process took 4 weeks. I interviewed at Amazon (Zagreb) in Dec 2014
Interview
Amazon had hiring event in my town. They contacted me via LinkedIn couple of weeks (I think it was around 8 weeks) before the on-site interview was being held. First, I solved two coding challenges online and then had on-site interview. On-site interview was actually 5 different interviews - 1 hour each. There were also 5 different interviewers. At the end of each interview they had one or two questions regarding social skills and then 5 or 10 min for my questions.
Interview questions [1]
Question 1
Serialization and deserialization of a tree to a string. If every node of tree represents a letter serialize tree to string in a way that you can deserialize the same string to a tree again.
It started with an OA, and then after a few weeks, I got invited to four rounds of interviews: technical and behavioral at 3 of the 4, and behavioral only at one.
I applied online. I interviewed at Amazon (Calgary, AB) in Jun 2026
Interview
Online Assessment is the first step in the process. I didn’t have an HR phone screening and went straight to the OA after applying. It was sent to me about a week after I submitted my application.
Interview questions [1]
Question 1
The first question is LeetCode style algorithms question, and the second question gives a full stack repo (choice of Java, NodeJS, or Django) and asks to solve a backend issue which is causing a bug in the frontend. Unit tests must pass to pass the second question. You can run both backend/frontend indivdually or together
I applied online. I interviewed at Amazon (Santa Clara, CA) in Jun 2026
Interview
Recruiter reached out and set up an onsite loop after the initial steps. Four back to back rounds in one day. Two coding heavy rounds run by senior engineers, one round with the hiring manager, and one behavioral round with a bar raiser. Mix of leadership principles and data structures throughout. Heard back within a week.
Interview questions [1]
Question 1
Standard BFS grid problem. Given a grid, find the time for all cells to reach a target state where the spread happens one layer at a time.
How did you answer: Clarified the constraints, walked through the approach, then coded a clean BFS from all starting points at once. Tracked the number of layers until everything was covered.