Amazon Software Development Engineer In Test (SDET) interview questions
based on 84 ratings - Updated Jun 2, 2026
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Software Development Engineer In Test (SDET) applicants have rated the interview process at Amazon with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 57.8% positive. This is according to Glassdoor user ratings.
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I applied through college or university. The process took 1 day. I interviewed at Amazon (Neu-Delhi) in Aug 2022
Interview
The first round was a general Online assessment. Before the online test, our college had sent a shortlist of students who could register for the said job title on the Amazon Jobs site. Only those shortlisted students got the OA link. The OA was conducted on Hackerrank and had a test window from 9:00 AM to 6:00 PM. The test was a basic test consisting of 2 DSA-based questions. The questions were shuffled for students in different combinations. Around 4000 students gave the test out of which 440 students were shortlisted for the Interview Round.
Interview questions [1]
Question 1
Iterate over the two linked lists and add leading zeros in case one list has fewer digits than the other.
Start at the top node of both lists and call the recursive function on the next node.
Continue to the end of the list.
Creates a node for the sum of the current number of digits and returns the carry.
In a four-round Amazon interview process, each round lasts 1 hour. Each round will begin with five minutes of introductions. You will have a 50 minutes interview. It will be followed by 5 minutes for any questions you may have for the interviewer.
Interview questions [1]
Question 1
Detect if a cycle is present in a linkedlist or not
I applied online. I interviewed at Amazon (Austin, TX) in Mar 2022
Interview
I was expecting behavioral questions based on their Amazon values and prepared to answer them based on STAR method but they asked only heavy technical coding tasks and nothin else
Interview questions [1]
Question 1
They asked me only coding tasks and their time complexity