Amazon.com
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www.amazon.com Seattle, WA 5000+ Employees

# Amazon.comintern Interview Questions & Reviews

Updated Apr 14, 2014

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### Interview Difficulty 376 Ratings

508 candidate interviews
Relevance Date Difficulty
in

No Offer

Neutral Experience

Average Interview

## Software Engineer Intern Interview (Neutral Experience; Average Interview)

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

Interview Details I submitted my resume in the college career fair. I got an interview call after 3 months.

Interview Question – I had 2 back to back technical interviews
Question1: Find two numbers in an unsorted array that equal to a given sum
Question2: Find the first unique character in a string

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Positive Experience

Difficult Interview

## Software Development Engineer Intern Interview Interview (Positive Experience; Difficult Interview)

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

Interview Details I applied online and was contacted by the HR to schedule the interview.
Both the interviewers were nice and it was a very good experience.

Interview Questions

• Q. Remove duplicates from an sorted array inplace. He was expecting a linear time solution for this.   View Answer
• Q. A question on BFS.   Answer Question
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Neutral Experience

## SDE-intern Interview (Neutral Experience)

Interviewed at Amazon.com

Interview Details Got a phone interview.
The question is to figure out if two binary trees are the same or not

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Neutral Experience

Difficult Interview

## Software Development Engineer Intern Interview (Neutral Experience; Difficult Interview)

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

Interview Details Had two back to back interviews. Take process takes lot of time. After 2 weeks got a mail for a third interview. Scheduled the third interview but had to postpone it. After that they said summer intake is complete you will be considered for fall. Scheduled the third interview last week. Was asked to make combinations of word from a phone number
eg 1-800-222-2342 then 222 can be cab ,etc. Completed it in 45 minutes still got a reject.

Interview Question – N th element in a binary tree.
Mirror Image of a Binary tree
Queue using stacks.
Garage class model.

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Neutral Experience

Difficult Interview

## Research Scientist Intern Interview (Neutral Experience; Difficult Interview)

I applied through college or university and the process took 2 weeks - interviewed at Amazon.com in March 2014.

Interview Details two phone interviews. The first one mainly focus on machine learning and algorithm part. And the second one is about statistics.

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Neutral Experience

Average Interview

## Software Engineer Intern Interview (Neutral Experience; Average Interview)

I applied through college or university - interviewed at Amazon.com in February 2014.

Interview Details Send resume on campus career fair.
Got another invitation in Mid Feb.

Two back-to-back 45 mins phone interview.
Nothing really unexpected or difficult.
Being asked about Hash table, how to deal with collision, OOP, stack/queue concept and giving examples in real practice. Pay attention to Time complexity for the algorithm.

Interview Question – Nothing really unexpected. Simple OOP concept. It's not like "design a class for elevator" stuff that complex.   Answer Question

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Neutral Experience

Average Interview

## Software Engineer Intern Interview (Neutral Experience; Average Interview)

I applied through college or university and the process took a day - interviewed at Amazon.com in March 2014.

Interview Details On campus, talked to 2 different interviewers for 45 minutes each

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Negative Experience

Average Interview

## Software Engineer Intern Interview (Negative Experience; Average Interview)

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

Interview Details Attended the career fair at my school. Met with one of the recruiter's that was there. We talked for a bit and he took my resume. Got a call later to come in for a one on one interview the following day.

Interview was held in the career center on campus.

Interview Question – Main question was verifying whether a binary tree was a BST, given the function header that looked like public boolean isBST(root). He stated no other functions could be created and that child nodes did not have links to their parents.   View Answers (2)

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Neutral Experience

Average Interview

## Intern Interview (Neutral Experience; Average Interview)

I applied online and the process took a day - interviewed at Amazon.com in February 2014.

Interview Details two interviews - on phone.

Interview Question – determine if two strings have the same suffix. The strings will be given in a list format
eg : C -> A -> P -> A -> B -> L -> E

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No Offer

Positive Experience

Difficult Interview

## Software Development Engineer INTERN Interview (Positive Experience; Difficult Interview)

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

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.

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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