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Amazon.com intern Interview Questions & Reviews

Updated Mar 27, 2014
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Intern Interview

Intern
Vāranāsi

I applied through college or university and the process took 2 days - interviewed at Amazon.com in September 2013.

Interview Details Amazon written
20 mcq on basics of c,os,networking+ 2 coding (left view,rotate a matrix by 90 degree)

Interview(round-1)
1.you have to find p,q of matrix p*q
such that it fill n elements(n given)
Such that
a) matrix should be nearest to a square matrix and
b) 0<=((p*q)-n)<=2

2. zig-zag traversal of tree

3.you are given an array of length k and it have numbers from 0 to n (where k>>>n) in O(k) time and no extra space find occurrences of each element in O(k) time only

ROUND-2
1. You are given row and column wise sorted matrix you have to find and delete an element such that it is still sorted in O(n) time
2. Find if sum of any 2 elements in an array equal to k in O(n) time using extra space
3.In a bst to every element add sum of elements greater than it.

Interview Question – 1.you are given an array of length k and it have numbers from 0 to n (where k>>>n) in O(k) time and no extra space find occurrences of each element in O(k) time only

2. You are given row and column wise sorted matrix you have to find and delete an element such that it is still sorted in O(n) time
  Answer Question

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Intern Interview

Intern
Hyderābād

I applied through an employee referral and the process took a day - interviewed at Amazon.com in October 2013.

Interview Details 4 rounds
1. jam
2. technical
3.technical
4. managers round

Interview Question – casual question on behavioural aspects   Answer Question

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Difficult Interview

Software Development Engineer Intern Interview

Anonymous Employee
Hyderābād

I applied through college or university and the process took 2 days - interviewed at Amazon.com in March 2012.

Interview Details Well it initially starts with a telephonic call followed by 4-5 onsite rounds of interviews.

Interview Question – There wasn't any question of very high difficulty   Answer Question

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Difficult Interview

Intern Interview

Intern
Hyderābād

I applied online and the process took 1 week - interviewed at Amazon.com.

Interview Details 3 phone screens

Interview Question – Binary search trees   View Answer

Negotiation Details – they gave me what I expected

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1 person found this helpful

Accepted Offer

Positive Experience

Average Interview

Software Development Engineer Intern (India) Interview

Anonymous Employee
Hyderābād

I applied through an employee referral and the process took 2+ weeks - interviewed at Amazon.com in May 2012.

Interview Details I was contacted by their recruiter and there was one offsite written test . And based on its performance there was a telephonic interview . Overall process went almost 20 days .

Interview Questions

  • Given a linked list , swap alternate nodes of linked list .
    For eq: 1 2 3 4 will become 2 1 4 3
     and 1 2 3 4 5 6 will become 2 1 4 3 6 5 .
      View Answer
  • Given N petrol pumps in a circular road, distance b/w adjacent petrol pumps and amount of petrol with vehicle capacity . Find a petrol pump where we should start so that we can cover entire road .   View Answer

Negotiation Details – We

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2 people found this helpful

Accepted Offer

Positive Experience

Very Easy Interview

Software Development Engineer Intern Interview

Anonymous Employee
New Delhi

I applied through college or university and the process took 2 weeks - interviewed at Amazon.com in October 2011.

Interview Details 1 online technical test of 90 minutes consisting of some multiple choice questions and 3 programming questions followed by an interview

Interview Question – What all do you know about Amazon   Answer Question

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Neutral Experience

User Experience Design Intern Interview

Anonymous Employee

Interviewed at Amazon.com

Interview Details 2 rounds. 1st is an UX designer asking me about the projects in my portfolio. 2nd round is 2 interviews from 2 different UX designers. They will ask me about my team work experience and opinion.

Interview Question – One of the UX designer asked me to do a design challenge.   Answer Question

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1 person found this helpful

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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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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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