Amazon Software Development Engineer, II interview questions
based on 293 ratings - Updated May 9, 2026
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Software Development Engineer, II applicants have rated the interview process at Amazon with 4 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 58.6% positive. This is according to Glassdoor user ratings.
Candidates applying for Software Development Engineer, II roles take an average of 30 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 33 days.
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I applied through a recruiter. The process took 2 weeks. I interviewed at Amazon in Jan 2010
Interview
I had two phone interviews and I thought both went pretty well but a week later I was notified that they are considering other candidates. The interview consisted of questions on Search Algorithms, Data Structure, Big O analysis, followed by coding problem. I was stuck with one coding question during 2nd phone interview but I finally gave the solutions. It may not be impressive that I did not respond quickly.
Here are some of questions that I was asked:
1. Complexity Analysis on Mergesort, Heapsort, Quicksort, and Selectionsort.
2. When quicksort can be O(n^2)?
--If you choose bad pivot
3. Write a code to reverse binary bit pattern for an integer without using any string or utility methods?
4. Reverse a linked list
5. Implement a Fibonacci function.
6. Implement a function that convert asci value to int.
Interview questions [1]
Question 1
Write a code to reverse binary bit pattern for an integer without using any string or utility methods?
I applied through a recruiter. The process took 2 weeks. I interviewed at Amazon (Seattle, WA) in Jan 2007
Interview
The interview at Amazon works as follows. You'll be contacted at some point by a recruiter and you'll go over some general stuff. If you don't say anything disqualifying, they'll schedule a phone screen for you. If this is for a technical position, the phone screen will involve some problem solving, some coding, and maybe even some design work.
Following that first phone screen, if you pass (sometimes even if you didn't) you'll be asked to go though a second phone screen. If you do well on this, then you'll be asked to fly out to Seattle for an in person interview. Let me first say that the phone screen questions are far easier than the questions you'll be asked in person, so don't get a false sense of confidence.
Amazon.com will fly you out to Seattle on their dime and put you up in a very nice room in a nice hotel.
On the day of your interview you sit in a room with a white board as 5-7 people rotate through the room giving you 45minute to 1 hour interview sessions. There will be very few behavioral questions, it will most likely be dominated by coding on a white board.
The people that interview you will then confer, usually within a day or two, and make a decision as to whether Amazon will extend an offer. The whole process usually moved fairly quickly.
Interview questions [1]
Question 1
Determine whether the binary representation of a number if a palindrome or not, code it on a white board.