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Amazon.com intern Interview Questions & Reviews

Updated Apr 14, 2014
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1 person found this helpful

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Software Development Engineer Intern Interview

Anonymous Interview Candidate

I applied online - interviewed at Amazon.com in February 2014.

Interview Details I applied online from their career website. Got a reply after 3 to 4 weeks. There were 2 back to back 45 minutes interviews with a 15 mins break in between. Both were technical and focused on Data Structures.
In the first interview the interviewer asked me about my projects, why I got into this field and why I applied for this position and then asked the main programming question. The second interview was also more or less the same.

Interview Question – 1. Implement a hashset from scratch, write code for various methods of hashset.
2. Find all the pairs of numbers from a list that sums to a particular number.
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1 person found this helpful

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Neutral Experience

Software Development Engineer In Test Intern Interview

Anonymous Employee

I applied through college or university and the process took a day - interviewed at Amazon.com.

Interview Details Emailed the recruiter my resume personally and got an email two weeks later saying that I have to set up two one hour phone interviews in the following week. Phone interviews were pretty much all technical with very little behavioral.

Phone interviews started off simple, "Let me tell you a little bit about myself", then "tell me a little bit about yourself." My first interviewer went straight from that to coding. You'll use an online program so he sees what you're typing. Other interviewer went through a bunch of short questions that were challenging, then to the coding.

After the two interviews, I got an offer a week later. All in all a simple hiring/interview process.

Interview Question – How do you create a routing table?   Answer Question

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Intern Interview

Anonymous Interview Candidate
London, England (UK)

Interviewed at Amazon.com

Interview Details After completing a written exercise, I was invited for a telephone interview. The interview wasn't too difficult. There were few questions about my degree and my experience with teamwork.

Interview Question – Tell me when you improved a product, despite you were receiving a positive feedback from customers.   Answer Question

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No Offer

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Software Engineer Intern Interview

Anonymous Interview Candidate

Interviewed at Amazon.com

Interview Details There are two rounds back and back. The first round was a guy from 126 and the question was the nth node from the end in a linked list. The second round was a guy from Kindle and the question was reverse a string and lots of fundamental concepts in object oriented programming

Interview Question – A inherits from B, which inherits from C. Will initializing A invoke constructor of C   Answer Question

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Accepted Offer

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Average Interview

Software Development Engineer Intern Interview

Anonymous Employee

I applied through other source and the process took a day - interviewed at Amazon.com in March 2014.

Interview Details Two phone calls covering the following:
Phone call 1-
a. Write a function to remove the nth last element from a singly linked list
b. Edge cases
c. Tests for that function
d. Input and output validation using status codes
e. API design considerations and error handling for the function

Phone call 2-
a. Functions to reverse a linked list recursively and then iteratively
b. Determine if two strings are anagrams, various approaches, space and time complexity
c. Given two singly linked list heads, determine if they are merged
d. Find the merge point of the two lists
e. Test the merge/intersect function, consider edge cases
f. Space and time complexity for all algorithms and data structures questions

Interview Question – Most unexpected- Recruiter was difficult to reach and had about <12hrs warning before scheduling interview. The actual interviews went well- the engineers were easy to talk to and walked through the problem solving.   Answer Question

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1 person found this helpful

Accepted Offer

Positive Experience

Average Interview

Software Development Engineer Intern Interview Interview

Anonymous Employee
Sunnyvale, CA (US)

I applied through an employee referral and the process took 3 weeks - interviewed at Amazon.com in February 2014.

Interview Details Got referred at the beginning of Feb, then reached by recruiter at 2/24 and assigned 2 technical phone interview at 2/27

1. Sent you a Collabedit link before the interview.
    Introduce yourself really quickly.
    Given a binary tree with different values on each node, find those values N which N%7 == 0.
    Why C++ has destruction.
    Given an int number, return the number of 1s in base 2. For example, 6 = 0000110 return 2.
    What's the difference between the stack and heap when they are initialized.
    What's multi-inheritance and why it's bad.

2. Sent you a Collabedit link befor the interview.
    pow
    Binary tree level traversal.

Interview Question – What's the difference between the stack and heap when they are initialized.   Answer Question

Negotiation Details – I missed the call from HR and then received an official offer letter from him. The team is not in Seattle but in Amazon Lab 126 Kindle team. I thought it's OK and accepted it.

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Difficult Interview

Software Development Engineer Intern Interview

Anonymous Employee
West Lafayette, IN (US)

I applied through college or university and the process took 4 weeks - interviewed at Amazon.com in February 2014.

Interview Details Applied in university career fair, a week later got an email to schedule on campus interview. Had the interview a couple weeks later, 45 minute interviews back to back with two software engineers.
Although the email indicates you should study databases, operating systems etc., the majority of the questions are on data structures and algorithms. Lots of linked lists, hash maps, binary trees etc.
Got acceptence email a week later.

Interview Question – There are a lot of questions that can be solved by arrays, sorting can be done in O(nlogn)... but they are looking for more than just correct answers, having an answer with a high time / space complexity won't help you.
There was a tough question about linked lists with next and arbitrary pointers.
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Negotiation Details – No negotiation, standard intern payment

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No Offer

Positive Experience

Average Interview

Software Development Engineer Intern Interview

Anonymous Interview Candidate

I applied through college or university and the process took 2 weeks - interviewed at Amazon.com.

Interview Details Applied at school job fair as well as online. Received an email asking for a response and was scheduled to do an interview the next day. Two 45 min interviews on campus. Asked me a few behavioral questions based off my programming projects. Interviewers were very friendly and I had a good time talking to them.

Interview Question – First question was to find all numbers that occurred an odd-number of times in an array and second question was implement a stack that could return the largest number in the stack at anytime.   Answer Question

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Summer Intern Interview

Anonymous Interview Candidate
Seattle, WA (US)

I applied through a recruiter and the process took 2 weeks - interviewed at Amazon.com in December 2013.

Interview Details After I applied, I got an email from the recruiter to set up a interview the next week. The interview is 1.5 hours, 45 mins with each person. They talk to you and try to see how clear you are in your concepts and also check your communication skills. Prefer Java.

Interview Question – First question was to compare two lists and print the common elements. Simple question, but I wasn't explaining my idea. They are looking for your thought process. Regardless if your answer is right or wrong. they are checking if you can think in the right manner. I didn't talk much or explain and just wrote the code. BIG MISTAKE! The second question I had to make a dictionary, which was not too hard. I got stuck a couple of places and they helped me out. But try to keep them engaged as you write code. Explain what your thinking or the ways you want to do it.   Answer Question

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16 people found this helpful

Accepted Offer

Negative Experience

Easy Interview

Software Development Engineer Intern Interview

Anonymous Employee

I applied online and the process took 2 months - interviewed at Amazon.com in December 2013.

Interview Details I applied twice, once in early October and once in late October, and I talked to them at a career fair in between those two dates. I did not get an email until the night of December 3rd, which invited me to interview on December 5th. Usually companies will invite you to choose a specific date that fit your schedule so I found it a little rude for them to schedule an interview less than 48 hours away. Luckily I was free at that time, but I did not have a positive image of the process. The two interviews were going to be back to back 45 min phone interviews that started on the hour, so 15 min break in between.

The first interviewer was very friendly and easy to talk to. There was a small chat about my resume and the technical question (through collabedit) was to write a function that takes in an int and returns a string that would be how one would say that number (ex: 123 -> one hundred twenty three; 50019 -> five thousand nineteen). At the end I asked her a couple questions about her work and then prepared myself for the next interview.

The second interviewer was even friendlier and nicer and asked more conceptual questions, but they were much easier than I expected. First question was tell me what you know about recursion. Then he asked me to code a function that returned the max integer in an array (no joke). Then a couple questions on sorting algorithms and how I would keep track of duplicates in an array, and how I would keep track of the indeces of duplicates in an array (hashset, hashmap).

Side note: the interviewers will take screenshots of your code as you type to track your progress.

After the interviews, I heard back 2.5 weeks later saying I had gotten the offer. I believe the your interviewers are from the teams that you are interviewing for. Overall, I was happy with my interviews, but very displeased with the recruiters. My recruiter still takes forever to respond to my emails.

Interview Question – write a function that takes in an int and returns a string that would be how one would say that number (ex: 123 -> one hundred twenty three; 50019 -> five thousand nineteen).   Answer Question

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