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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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asked in MM AUTO
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asked in MM AUTO
Q4. what is IATF audit , cause of IATF , relationship between for IAT ... read more
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

I applied via Campus Placement and was interviewed in Oct 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(8 Questions)

  • Q1. Recording to quality dipartment
  • Q2. Inprocess quality knowledge about
  • Q3. Quality Engineer input
  • Q4. Assy inprocess inspection
  • Q5. Assy line poka yoka checked
  • Q6. First part approval line startup
  • Ans. 

    First part approval line startup is a critical step in ensuring quality control.

    • Ensure all equipment is calibrated and functioning properly

    • Verify all materials meet specifications

    • Perform initial inspections on first parts produced

    • Document all findings and make necessary adjustments

    • Obtain approval from appropriate personnel before continuing production

  • Answered by AI
  • Q7. Docoment to fill first part approval
  • Q8. Input problem solved
Round 3 - One-on-one 

(13 Questions)

  • Q1. Line problem solving
  • Q2. Poka yoka docoment checked
  • Q3. Line by line all line
  • Q4. Pocka yoka problem is solved
  • Q5. Protuling is 2hours after
  • Q6. Proluling according checked
  • Q7. Defect problem solved in input
  • Ans. 

    Defect problem can be solved by identifying and addressing the root cause in the input stage.

    • Identify the source of the defect in the input stage

    • Implement corrective actions to address the root cause

    • Monitor and verify the effectiveness of the corrective actions

    • Continuously improve the input stage to prevent future defects

  • Answered by AI
  • Q8. Defect assembly problem
  • Ans. 

    Defect assembly problem refers to issues in the manufacturing process that result in faulty products.

    • Defect assembly problems can occur due to issues with machinery, human error, or faulty materials.

    • Examples of defect assembly problems include misaligned parts, missing components, and incorrect wiring.

    • To prevent defect assembly problems, quality control measures should be put in place, such as regular inspections and t...

  • Answered by AI
  • Q9. Line problem is management
  • Q10. Costumer defect assembly problem solving
  • Q11. Chamical test is line startup
  • Q12. Test is line start up
  • Q13. Last part approval checked
Round 4 - Group Discussion 

Quality Engineer input problem solved assembly line problem solving and decision making process

Interview Preparation Tips

Topics to prepare for Tata Group Quality Engineer interview:
  • Business Development
Interview preparation tips for other job seekers - Technical injection molding machine is protuling process chaeck job set up the machine by inprocess quality Engineer input problem

I applied via Naukri.com and was interviewed in Jun 2022. There were 3 interview rounds.

Round 1 - Coding Test 

2 c++ coding questions will be asked based on the STL and array operations

Round 2 - One-on-one 

(1 Question)

  • Q1. Project manager will ask you project related knowledge.
Round 3 - HR 

(1 Question)

  • Q1. Will discuss basic HR round questions and discuss salary.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare c++ well as many questions will be based on that

I applied via AmbitionBox and was interviewed in Nov 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Group Discussion 

Group discussion

Interview Preparation Tips

Topics to prepare for Reliance Retail Senior Engineer interview:
  • Technical Skills
Interview preparation tips for other job seekers - Interview team are very comfortable
So don't harmful
Manajment team are very comfortable

I was interviewed before Dec 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This round was purely based on Data Structures and Algorithms . One has to be fairly comfortable in solving Algorithmic problems to pass this round . Both the questions asked were quite common and luckily I had already prepared them from CodeStudio and LeetCode.

  • Q1. 

    Binary Tree Traversals Problem Statement

    Given a Binary Tree with 'N' nodes, where each node holds an integer value, your task is to compute the In-Order, Pre-Order, and Post-Order traversals of the binar...

  • Ans. 

    Compute the In-Order, Pre-Order, and Post-Order traversals of a Binary Tree given in level-order format.

    • Implement functions to perform In-Order, Pre-Order, and Post-Order traversals of a Binary Tree.

    • Use level-order input to construct the Binary Tree.

    • Traverse the Binary Tree recursively to generate the required traversals.

    • Ensure proper handling of null nodes represented by -1 in the input.

    • Return the three traversals as

  • Answered by AI
  • Q2. 

    Reverse Linked List Problem Statement

    Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.

    Input:

    The first line of input is an intege...
  • Ans. 

    Reverse a singly linked list by altering the links between nodes.

    • Iterate through the linked list and reverse the links between nodes

    • Use three pointers to keep track of the current, previous, and next nodes

    • Update the links between nodes to reverse the list

    • Return the head of the reversed linked list

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Medium

This round basically tested some concepts from Data Structures and File Manipulation .

  • Q1. 

    Intersection of Two Arrays Problem Statement

    Given two arrays A and B with sizes N and M respectively, both sorted in non-decreasing order, determine their intersection.

    The intersection of two arrays in...

  • Ans. 

    The problem involves finding the intersection of two sorted arrays efficiently.

    • Use two pointers to iterate through both arrays simultaneously.

    • Compare elements at the pointers and move the pointers accordingly.

    • Handle cases where elements are equal and update the intersection array.

    • Return the intersection array as the result.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPABig Basket interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Operating Systems, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a typical DS/Algo where I was asked to solve two questions related to Binary Trees and write the pseudo code for both of them followed by some theoretical questions related to Operating Systems.

  • Q1. 

    K-th Largest Number in a BST

    Given a binary search tree (BST) consisting of integers and containing 'N' nodes, your task is to find and return the K-th largest element in this BST.

    If there is no K-th la...

  • Ans. 

    Find the K-th largest element in a BST.

    • Perform reverse in-order traversal of the BST to find the K-th largest element.

    • Keep track of the count of visited nodes to determine the K-th largest element.

    • Return -1 if there is no K-th largest element in the BST.

  • Answered by AI
  • Q2. 

    Is Height Balanced Binary Tree Problem Statement

    Determine if the given binary tree is height-balanced. A tree is considered height-balanced when:

    1. The left subtree is balanced.
    2. The right subtree is bala...
  • Ans. 

    Determine if a given binary tree is height-balanced by checking if left and right subtrees are balanced and their height difference is at most 1.

    • Check if the left subtree is balanced

    • Check if the right subtree is balanced

    • Calculate the height difference between the left and right subtrees

    • Return 'True' if all conditions are met, otherwise return 'False'

  • Answered by AI
  • Q3. Can you explain the concepts of Zombie Process and Orphan Process in operating systems?
  • Ans. 

    Zombie process is a terminated process that has completed execution but still has an entry in the process table. Orphan process is a process whose parent process has terminated.

    • Zombie process is created when a child process completes execution but its parent process has not yet read its exit status.

    • Zombie processes consume system resources and should be cleaned up by the parent process using wait() system call.

    • Orphan p...

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was also a Data Structures and Algorithm round where I was asked to solve 3 medium to hard level problems along with their pseudo code within 60 minutes .

  • Q1. 

    Longest Substring Without Repeating Characters Problem Statement

    Given a string S of length L, determine the length of the longest substring that contains no repeating characters.

    Example:

    Input:
    "abac...
  • Ans. 

    Find the length of the longest substring without repeating characters in a given string.

    • Use a sliding window approach to keep track of the longest substring without repeating characters.

    • Use a hashmap to store the index of each character in the string.

    • Update the start index of the window when a repeating character is found.

    • Calculate the maximum length of the window as you iterate through the string.

    • Return the maximum le

  • Answered by AI
  • Q2. 

    Problem: Search In Rotated Sorted Array

    Given a sorted array that has been rotated clockwise by an unknown amount, you need to answer Q queries. Each query is represented by an integer Q[i], and you must ...

  • Ans. 

    Search for integers in a rotated sorted array efficiently.

    • Use binary search to efficiently search for integers in the rotated sorted array.

    • Handle the rotation of the array while performing binary search.

    • Return the index of the integer if found, else return -1.

  • Answered by AI
  • Q3. 

    Count Subarrays with Sum Divisible by K

    Given an array ARR and an integer K, your task is to count all subarrays whose sum is divisible by the given integer K.

    Input:

    The first line of input contains an...
  • Ans. 

    Count subarrays with sum divisible by K in an array.

    • Iterate through the array and keep track of the prefix sum modulo K.

    • Use a hashmap to store the frequency of each prefix sum modulo K.

    • For each prefix sum, increment the count by the frequency of (prefix sum - K) modulo K.

    • Handle the case when prefix sum itself is divisible by K.

    • Return the total count of subarrays with sum divisible by K.

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

In this round , I was asked to code a simple question related to BST . After that I was asked the internal implementation of a Hash Map where I was supposed to design a Hash Map using any of the Hashing Algorithms that I know . This was preety challenging for me but I got to learn so much from it.

  • Q1. 

    Ceil Value from BST Problem Statement

    Given a Binary Search Tree (BST) and an integer, write a function to return the ceil value of a particular key in the BST.

    The ceil of an integer is defined as the s...

  • Ans. 

    Ceil value of a key in a Binary Search Tree (BST) is found by returning the smallest integer greater than or equal to the given number.

    • Traverse the BST to find the closest value greater than or equal to the key.

    • Compare the key with the current node value and update the ceil value accordingly.

    • Recursively move to the left or right subtree based on the comparison.

    • Return the ceil value once the traversal is complete.

  • Answered by AI
  • Q2. 

    Design a Constant Time Data Structure

    Create a data structure that maintains mappings between keys and values, supporting the following operations in constant time:

    1. INSERT(key, value): Add or update t...
  • Ans. 

    Design a constant time data structure to maintain mappings between keys and values with various operations.

    • Use a hash table to achieve constant time complexity for INSERT, DELETE, SEARCH, and GET operations.

    • Keep track of the number of key-value pairs for GET_SIZE operation.

    • Check if the hash table is empty for IS_EMPTY operation.

    • Return true or false for SEARCH operation based on key existence.

    • Return the value associated...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAFlipkart interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

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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
View more

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Amazon Quality Engineer Salary
based on 68 salaries
₹2 L/yr - ₹9.7 L/yr
65% more than the average Quality Engineer Salary in India
View more details

Amazon Quality Engineer Reviews and Ratings

based on 17 reviews

4.2/5

Rating in categories

3.5

Skill development

3.8

Work-life balance

3.6

Salary

3.8

Job security

4.3

Company culture

3.6

Promotions

3.7

Work satisfaction

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