Amazon.com Software Development Engineer Interview Questions & Reviews
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Updated Feb 15, 2012 – Interview questions and reviews posted anonymously by interview candidates.
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Difficulty Rating [?] Based on 212 ratings 
“Difficult” Interview
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Interview Experience [?] Based on 212 ratings
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| 1–10 of 210 Amazon.com Interviews | Sort by |
Software Development Engineer at Amazon.com
Posted Feb 15, 2012
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3.0
Average Interview
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Overall Negative Experience
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Interviewed and No Offer
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Interviewed Feb 2012 (took 3 days)
Had one technical interview on first day and later got call to appear for 3 more interviews on the second day.
Interview Questions
Other Details
I got the interview through a College or University and the interview consisted of a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 13, 2012
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4.0
Difficult Interview
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Overall Positive Experience
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Received and Accepted Offer
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Interviewed Sep 2010 in Seattle, WA (took a day)
It was an in person interview with one of the direct members of the hiring team. It asked a question on algorithm to find the shortest prefix string. We went between brute-force solution to the optimal. Follow up questions were related to scaling, which points to the need to cache the right branches and sharding on disk. Finally, the interviewer talked about the team itself, and was really responsive to questions.
Interview Questions
Other Details
I applied In-Person and the interview consisted of a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 6, 2012 — 1 of 1 people found this helpful
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3.0
Average Interview
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Overall Positive Experience
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Received and Accepted Offer
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Interviewed Feb 2012 in Herndon, VA (took 3 weeks)
It was my second phone interview after a first phone interview 3 weeks back and a coding assignment. The interview surprisingly did not have any coding questions (although the first interview had coding). Most of the questions were related to OOPS/Scaling/DNS
Interview Questions
Other Details
The interview consisted of a Phone Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 9, 2012
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3.0
Average Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Feb 2012 (took 3 days)
Submitted my resume at the departmental career fair around the end of January and got a call for an interview in the first week of February. All the interviews were on-campus.
Interview Questions
Other Details
I got the interview through a College or University and the interview consisted of a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 7, 2012
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3.0
Average Interview
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Overall Positive Experience
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Interviewed and No Offer
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Interviewed Jan 2012 in Seattle, WA (took 2+ weeks)
I had 2 phone screens and than was invited to Seattle for a visit which included 5 interviews and meeting with recruiting manager.
Interview Questions
Other Details
I Applied Online and the interview consisted of a Phone Interview and a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 12, 2012 — 0 of 1 people found this helpful
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4.0
Difficult Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Feb 2010 (took 3 weeks)
Had 2 sets of interviews after being referred for the intern position. Both were technical and included questions that were standard questions asked for this position and can be found online.
Interview Questions
Other Details
The interview consisted of a Phone Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 6, 2012
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3.0
Average Interview
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Overall Positive Experience
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Interviewed and No Offer
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Interviewed Feb 2012 (took a day)
3 interviews of 45 minutes each
- 2 design problems(metro planner and one more)..involved using most efficient data structures(hash map, BST, linked lists),
- merge two BST
- keep versions of a stack most efficiently
Interview Questions
Other Details
I got the interview through a College or University and the interview consisted of a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 5, 2012
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4.0
Difficult Interview
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Overall Positive Experience
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Interviewed and No Offer
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Interviewed Jan 2012 in Seattle, WA (took 6 days)
My friends hand in my resume and I get the on-site interview directly.
The interview process is basical, first have a lunch with several amazon employee. Then each candidate was brought to the room and start the interview. I had four interviews in total, and I did perfectly in the first one, the second one and the last one. I think they fail me because I didnt do well in the third one. So, just bear in mind that Amazon is very picky, if you screw up one of the four interviews, then you fail.
Interview Questions
Easy one, just use a trie. During the process, you will be asked questions about big O stuffs. Just remember your data structure
Easy one again. Use a hashtable to store the words, after that, use a heap to return the 10 most
I screw up this one. That's because the interviewee gave me a sheet full of rules, but only two of them are useful in the first part.
First part: given a formatted Roman String and convert them into numbers.
Easy one, but I spend nearly 25 mins on it.
Second part: how to convert a number into Roman Strings.
Recursion will work. I only have ten mins, so the interviewee doesnt let me finish this up
The interviewee is helpful, he gave me hints and I finally solve it. First copy the list with only value and next. Save each one in the hashtable. And then change the random value.
Other Details
I got the interview through an Employee Referral and the interview consisted of a 1:1 Interview and a Group/Panel Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 3, 2012
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3.0
Average Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Dec 2011 in Seattle, WA (took 3 months)
The recruiters were friendly; aced through 2 telephonic interviews and was invited to the on-site interviews. On the day of interview, I was interviewed by 5 amazonians; 4 tech and 1 lunch interview. I believe I did well in all but the first interview... After a week, I was notified that I wasn't selected to make a job offer. I guess I was disappointed, as I thought I did well, but wasn't made an offer. But, then your performance is relative to the other candidates they interviewed...
Interview Questions
Other Details
The interview consisted of a Phone Interview and a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Development Engineer at Amazon.com
Posted Feb 8, 2012 — 0 of 1 people found this helpful
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3.0
Average Interview
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Overall Negative Experience
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Interviewed and No Offer
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Interviewed Nov 2011 (took a day)
The interviewers are quite nice. I have back to back 2 phone interviews, 45 minutes each, and 15 minutes rest between the two. Each interviewer asked me some algorithms problem, and then let me code. The problems are not very difficult, but I did not perform well so I was declined the other day.
Interview Questions
ex. input "he is a boy", output"boy a is he"
Other Details
The interview consisted of a Phone Interview.
Helpful Interview?
Yes |
No
Inappropriate?
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