Amazon Software Development Engineer interview questions
based on 3.4K ratings - Updated Jun 28, 2026
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Amazon interviews FAQs
Candidates applying for Software Development Engineer roles take an average of 16 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Amazon overall takes an average of 27 days.
Common stages of the interview process at Amazon as a Software Development Engineer according to 1 Glassdoor interviews include:
Skills test: 50%
Phone interview: 50%
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I applied online. The process took 4 weeks. I interviewed at Amazon in Oct 2019
Interview
I got 3 rounds for at least 3 hours. Each round contains one BQ and one coding question. They ask what is the project I was proud of. What would you do if you have limited time for 3 due at the same time, etc. Coding questions covered HashMap, HashSet and dynamic programming.
I applied in-person. The process took 5 weeks. I interviewed at Amazon (San José, San José)
Interview
It's a lengthy process that takes up an entire morning or afternoon, depending on the time you are scheduled. You will have 4 technical interviews and one with someone from HR. The technical interviews will try to see different skills, problem resolution, architecture and design, etc. And each of them will also try to test you for one of Amazon's "leadership principles" (they do send you info on that when you get contacted and scheduled for the interview) so try to read them and come up with an example of a situation in which you have shown each of them, you WILL get asked for one of them by each of the technical interviewers.
Interview questions [1]
Question 1
Almost certainly you will get asked the "starry night" question, or some variant of it: there is an image of the sky, let's say a bitmap (matrix) where each pixel is either white or black, white meaning it is part of a star. Write an algorithm to figure out which is the biggest star.
I applied through an employee referral. The process took 1+ week. I interviewed at Amazon (San Diego, CA) in Nov 2019
Interview
It was solid, 3 online assessments and a video interview. Online assessments were fun and the video interview was not too hard. I had technical questions and project based ones as well. One of the online assessments was a culture fit one too.