I applied online. The process took 4 weeks. I interviewed at Amazon
Interview
4 round 1:1, each one 45 minutes
Each round ask you some background question and one programming question
1 make file, choose a data structure to implement, (my answer is graph, do topology sort)
2 file system, object oriented design, design two classes
3 array of number, sum up to n, print out all pairs
4 binary tree, given two node, find first common ancestor, without pointer to parent node
Interview questions [1]
Question 1
I failed at the last question. I know it's on CC150 now, the interviewer changed the question while I am still thinking about it.
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