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Amazon Quality Engineer Interview Questions, Process, and Tips

Updated 16 Jan 2025

Top Amazon Quality Engineer Interview Questions and Answers

Amazon Quality Engineer Interview Experiences

5 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Basics maths and reasoning

Round 2 - Technical 

(2 Questions)

  • Q1. What is your experience with writing test cases?
  • Ans. 

    I have extensive experience writing test cases for various software applications.

    • I have written test cases for both manual and automated testing

    • I ensure test cases cover all possible scenarios and edge cases

    • I have experience writing test cases for regression testing and new feature testing

    • I document test cases clearly with steps, expected results, and actual results

  • Answered by AI
  • Q2. Some scenarios writing
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is an API?
  • Ans. 

    An API (Application Programming Interface) is a set of rules and protocols that allows different software applications to communicate with each other.

    • APIs define the methods and data formats that applications can use to request and exchange information.

    • They allow developers to access the functionality of a software application or service without needing to understand its internal workings.

    • Examples of APIs include Googl...

  • Answered by AI
  • Q2. What is hashmap?
  • Ans. 

    HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.

    • HashMap is part of the Java Collections framework.

    • It uses hashing to store key-value pairs in an array.

    • It allows for quick retrieval of values based on keys.

    • Example: HashMap map = new HashMap<>();

  • Answered by AI

Skills evaluated in this interview

Quality Engineer Interview Questions Asked at Other Companies

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Q5. What is the Physical & Chemical test of Steel Reinforcement?
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Company Website and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Aptitude Test 

It included English grammar and general aptitude topics such as seating arrangements and number series.

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Algorithm to solve a given problem
  • Ans. 

    Use a sorting algorithm like quicksort or mergesort to solve the given problem efficiently.

    • Choose the appropriate sorting algorithm based on the size of the input data and the constraints of the problem.

    • Implement the chosen algorithm in a way that optimizes time and space complexity.

    • Test the algorithm with different input sizes and edge cases to ensure its correctness and efficiency.

  • Answered by AI

Skills evaluated in this interview

Amazon interview questions for designations

 Quality Assurance Quality Control Engineer

 (1)

 Quality Surveillance Engineer

 (1)

 Quality Assurance

 (3)

 Quality Assurance Officer

 (2)

 Associate Quality Assurance

 (1)

 Associate Quality Assurance Engineer

 (1)

 Software Quality Assurance Engineer

 (2)

 Quality Assurance Engineer 2

 (1)

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Not Selected

I applied via Company Website and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Python Data Structure

Round 2 - Aptitude Test 

Basic Maths Verbal Data Interpretation

Round 3 - Group Discussion 

Extenpore random topics

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(3 Questions)

  • Q1. What is ACID in DBs ?
  • Ans. 

    ACID stands for Atomicity, Consistency, Isolation, and Durability in databases.

    • Atomicity ensures that all operations in a transaction are completed successfully or none at all.

    • Consistency ensures that the database remains in a consistent state before and after the transaction.

    • Isolation ensures that multiple transactions can be executed concurrently without affecting each other.

    • Durability ensures that once a transaction...

  • Answered by AI
  • Q2. What is the difference in checked and unchecked exceptions ?
  • Ans. 

    Checked exceptions are checked at compile time while unchecked exceptions are not checked at compile time.

    • Checked exceptions are subclasses of Exception class except RuntimeException and its subclasses.

    • Unchecked exceptions are subclasses of RuntimeException and Error classes.

    • Checked exceptions must be caught or declared in the method signature using 'throws' keyword.

    • Unchecked exceptions do not need to be caught or decl...

  • Answered by AI
  • Q3. Find the min difference between any two integers of 2 sorted list
  • Ans. 

    To find the minimum difference between any two integers of 2 sorted lists, iterate through both lists simultaneously and keep track of the minimum difference.

    • Iterate through both sorted lists simultaneously

    • Keep track of the minimum difference found so far

    • Update the minimum difference if a smaller difference is found

  • Answered by AI

Skills evaluated in this interview

Interview Preparation Tips

Round: Test
Experience: The written test did NOT involve general aptitude questions. Most questions were CS specific and pertained to some kind of algorithmic analysis, design of recursive solutions, designing and tracing out an algorithm on a given sample etc. About 50-60% of the candidates were eliminated in this round.

Round: Test
Experience: The next round was a coding assignment. For those familiar with code-chef, the coding assignment was similar to a medium level problem (in the practice section) and had to be done in C. The codingassignment by design, required algorithmic optimization to execute within the prescribed time limit. About 10 candidates (8 UG and 2 PG) were selected for interviews. Yahoo generally conducts 4 technical interviews and an HR interview. Typically, 2 of the 4 tech interviews will be with immediate seniors in teams that are interested in your profile. The remaining two will be with more senior engineers (in fact, one of my interviews was with the tech director of a vertical at Yahoo). Interviewers discuss with each other after each interview, and some candidates were eliminated after one poor interview. It is therefore quite important to do

General Tips: Apart from technical skills&#44; your communication and social skills are what can make or break an interview and eventually, decide whether or not you get the job. Objectively speaking, most candidates who make it to the final round will be very technically proficient. Therefore, your aim should be to make the decision regarding your candidature anything BUT objective. The real advantage of an interview is to let the interviewer know YOU, beyond just your written test score or your academic credentials. Interviewers like confidence in a candidate and it can even make you seem better than you really are. It will also help to have a few well thought out questions in mind for your interviewer, to show him that you have put in more effort than other candidates to find out about the kind of work going on at the company. One thing youcan do is to find out who all the interviewers are during the pre-placement talk (Yes, attending the PPT CAN BE USEFUL). General Tips Preparation Look up their LinkedIn profiles and note what projects they have worked on or guided. Asking a few insightful questions about those specific projects is a good way to create a good impression of you. It is very difficult to truly judge a candidate during a 45 minute interview, so what matters a lot is the impression left in the interviewers mind about you. If possible, try to establish a social connect during your limited interaction with the interviewers, BEFORE the interviews take place. For example, one of my interviewers, a senior tech manager at Yahoo, was an NITK alumnus. Before the interviews, I spoke to him about his experience in college. As it turns out, he was one of the founders of the web club at NITK, of which I am a member. We spoke for about 15 minutes about how the club has grown and how the club has helped its members ever since.
Skill Tips: For a computer science student who intends to take up a technical job at a tier 1 company, spend as much time as possible, honing your technical skills. Start well before placement season, if possible, in 3rd year itself
College Name: NIT SURATHKAL

Interview Preparation Tips

Round: Resume Shortlist
Experience: You need to submit your CV and they shortlist you on this basis.Fast and accurate coding.
Tips: Clearly specify any technical achievement.

Round: Coding
Experience: You are given 4 hours to solve a few algorithmic questions.Start practicing for this from sometime earlier.
Tips: There are puzzles available on the Facebook page.

Round: Technical Interview
Experience: Three interviews. All almost exclusively technical with 1-2 HR questions.
The questions are mainly algorithmic in nature and you need to code online while talking to them.
Tips: Be as accurate and clean with your code as possible.

General Tips: Be creative while answering the questions. They might ask you questions like 'What changes would you want to make to Facebook?'.
Prepare algorithmic questions for the interviews. Most companies like Facebook&#44; Google, Microsoft and others focus on this.
Technical projects or internships will be beneficial.
Qualifying for or winning programming contests like overnite is very beneficial. Involvement in Social/Cultural activities or sports is not really essential.
Skill Tips: Being good at writing fast and correct code in any language helps a lot.
Skills: Programming
College Name: IIT KHARAGPUR

Interview Questionnaire 

8 Questions

  • Q1. Given two “ids” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of mutual friends
  • Ans. 

    Function to return mutual friends given two ids and getFriends(id) function

    • Call getFriends(id) for both ids to get their respective friend lists

    • Iterate through both lists and compare to find mutual friends

    • Return the list of mutual friends

  • Answered by AI
  • Q2. Given an “id” and a function getFriends(id) to get the list of friends of that person id, write a function that returns the list of “friends of friends” in the order of decreasing number of mutual friends,...
  • Ans. 

    Function to return list of friends of friends in decreasing order of mutual friends

    • Use a set to store all friends of friends

    • Iterate through the list of friends of the given id

    • For each friend, iterate through their list of friends and count mutual friends

    • Sort the set of friends of friends by decreasing number of mutual friends

  • Answered by AI
  • Q3. Given a number of time slots – start time and end time,“a b”, find any specific time with the maximum number of overlapping. After solving the problem I had to prove my solution
  • Ans. 

    Given time slots, find a specific time with maximum overlap. Prove solution.

    • Create a list of all start and end times

    • Sort the list in ascending order

    • Iterate through the list and keep track of the number of overlaps at each time

    • Return the time with the maximum number of overlaps

    • Prove solution by testing with different input sizes and edge cases

  • Answered by AI
  • Q4. Given an array of Integers, find the Longest sub-array whose elements are in Increasing Order
  • Ans. 

    Find the longest sub-array with increasing order of integers.

    • Iterate through the array and keep track of the current sub-array's start and end indices.

    • Update the start index whenever the current element is smaller than the previous element.

    • Update the end index whenever the current element is greater than or equal to the next element.

    • Calculate the length of the sub-array and compare it with the longest sub-array found s

  • Answered by AI
  • Q5. Given an array of Integers, find the length of Longest Increasing Subsequence and print the sequence.
  • Ans. 

    Find the length of longest increasing subsequence and print the sequence from an array of integers.

    • Use dynamic programming to solve the problem

    • Create an array to store the length of longest increasing subsequence ending at each index

    • Traverse the array and update the length of longest increasing subsequence for each index

    • Print the sequence by backtracking from the index with the maximum length

    • Time complexity: O(n^2)

    • Exam...

  • Answered by AI
  • Q6. Given a Sorted Array which has been rotated, write the code to find a given Integer
  • Ans. 

    Code to find a given integer in a rotated sorted array.

    • Use binary search to find the pivot point where the array is rotated.

    • Divide the array into two subarrays and perform binary search on the appropriate subarray.

    • Handle edge cases such as the target integer not being present in the array.

  • Answered by AI
  • Q7. You have a number of incoming Integers, all of which cannot be stored into memory. We need to print largest K numbers at the end of input
  • Ans. 

    Use a min-heap to keep track of the largest K numbers seen so far.

    • Create a min-heap of size K.

    • For each incoming integer, add it to the heap if it's larger than the smallest element in the heap.

    • If the heap size exceeds K, remove the smallest element.

    • At the end, the heap will contain the largest K numbers in the input.

  • Answered by AI
  • Q8. Implement LRU Cache
  • Ans. 

    LRU Cache is a data structure that stores the most recently used items and discards the least recently used items.

    • Use a doubly linked list to keep track of the order of items in the cache

    • Use a hash map to store the key-value pairs for fast access

    • When an item is accessed, move it to the front of the linked list

    • When the cache is full, remove the least recently used item from the back of the linked list and the hash map

  • Answered by AI

Interview Preparation Tips

Round: ONLINE CODING ROUND
Experience: Facebook visited our campus in July, 2012. We had an online coding round hosted on InterviewStreet. We were asked to solve just one problem. The given problem boils down to : Given a undirected graph, source and destination, write the code to find the total number of distinct nodes visited, considering all possible paths.
Tips: Those shortlisted had to fly to Delhi for a Personal Interview. There were four rounds of interview, each of 45 minutes. The questions were simple. But just solving the given problem wasn't enough.

There was much more interaction and short questions asked related to the problem

Round: Technical Interview
Experience: The above mentioned questions wer asked in the interview. For every solution I was asked to write the code on paper. The code should also include the implementation of the data structures used (I used heaps - so I was asked to implement heaps ). They are looking for someone with good problem solving skills and conceptually sound in data structures

College Name: BIT MESRA

Skills evaluated in this interview

Interview Questionnaire 

4 Questions

  • Q1. You are given a large array of n bits. Each bit is initially 0. You perform several operations of the type
  • Ans. 

    Solution to performing operations on a large array of bits.

    • Use bitwise operators to perform operations on individual bits

    • Use a loop to iterate through the array and perform the operations

    • Ensure that the array is large enough to accommodate all the bits

    • Consider using a data structure like a bitset for efficient bit manipulation

  • Answered by AI
  • Q2. Questions on Network programming
  • Q3. Questions on array,heap and binary trees
  • Q4. Round was both HR+Technical

Interview Preparation Tips

Round: Test
Experience: Questions can be found here:

-----/
Tips: Try to solve all 3.
Duration: 60 minutes
Total Questions: 3

Round: Technical Interview
Experience: First discuss the solution and then paper-code it.
Tips: Try to code without mistakes.

Round: Technical Interview
Experience: First, I was asked to discuss my project based on networking and then I was given a question on network programming
Tips: Pay attention on discussion

Round: Technical Interview
Experience: Provide the optimised solution and code it without any mistakes.

Round: HR Interview
Experience: Why linkedin?
What changes will you make in 6 months?
Internship project: Discussion and lot of common questions on that.
Basic Questions of C++ and Java

Skills: Data Structure, Core courses understanding, Algorithms
College Name: IIT GUWHATI

Skills evaluated in this interview

Amazon Interview FAQs

How many rounds are there in Amazon Quality Engineer interview?
Amazon interview process usually has 1-2 rounds. The most common rounds in the Amazon interview process are Aptitude Test, Technical and Coding Test.
What are the top questions asked in Amazon Quality Engineer interview?

Some of the top questions asked at the Amazon Quality Engineer interview -

  1. What is your experience with writing test cas...read more
  2. Algorithm to solve a given prob...read more
  3. What is an A...read more

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Amazon Quality Engineer Interview Process

based on 5 interviews

Interview experience

4.8
  
Excellent
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Amazon Quality Engineer Salary
based on 70 salaries
₹3.9 L/yr - ₹13.2 L/yr
134% more than the average Quality Engineer Salary in India
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based on 18 reviews

4.3/5

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3.4

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4.0

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3.7

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4.4

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3.7

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