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Amazon Web Services Software Developer Interview Questions and Answers

Updated 7 Jul 2024

Amazon Web Services Software Developer Interview Experiences

4 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 - Technical 

(1 Question)

  • Q1. Basic java questions
Round 3 - HR 

(1 Question)

  • Q1. Salary discusion
Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jul 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Focus on graph questions and os internals

Round 2 - One-on-one 

(2 Questions)

  • Q1. Merge sort mathematical proof
  • Ans. 

    Merge sort is a divide and conquer algorithm that recursively splits an array into halves, sorts them, and then merges them back together.

    • Merge sort divides the array into two halves, sorts each half, and then merges them back together in sorted order.

    • It has a time complexity of O(n log n) in the worst case scenario.

    • Merge sort is stable and can be used for sorting linked lists as well.

    • Example: Given array [38, 27, 43, ...

  • Answered by AI
  • Q2. Project discussion in detail

Interview Preparation Tips

Interview preparation tips for other job seekers - Use STAR method to explain your projects

Skills evaluated in this interview

Software Developer Interview Questions Asked at Other Companies

asked in Amazon
Q1. Maximum Subarray Sum Problem Statement Given an array of integers ... read more
asked in Amazon
Q2. Minimum Number of Platforms Needed Problem Statement You are give ... read more
asked in Rakuten
Q3. Merge Two Sorted Arrays Problem Statement Given two sorted intege ... read more
asked in Cognizant
Q4. Nth Fibonacci Number Problem Statement Calculate the Nth term in ... read more
Q5. Find Duplicate in Array Problem Statement You are provided with a ... read more
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 - Aptitude Test 

Not that much difficult

Round 3 - Coding Test 

Data structure

Round 4 - HR 

(1 Question)

  • Q1. Normal questions like where do you see yourself

Interview Preparation Tips

Interview preparation tips for other job seekers - Coding are must specially data structure

I was interviewed in Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 Minutes
Round difficulty - Easy

First round is Online Test (no negative marking). It was held on campus itself in assigned labs. The test is divided into four main sections:

  • Q1. 

    Level Order Traversal Problem Statement

    Given a binary tree of integers, return the level order traversal of the binary tree.

    Input:

    The first line contains an integer 'T', representing the number of te...
  • Ans. 

    Return the level order traversal of a binary tree given in level order with null nodes represented by -1.

    • Parse the input to create the binary tree using level order traversal

    • Use a queue to perform level order traversal of the binary tree

    • Print the node values in level order traversal

  • Answered by AI
  • Q2. 

    Reverse Words in a String: Problem Statement

    You are given a string of length N. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading o...

  • Ans. 

    Reverse words in a string while handling leading/trailing spaces and multiple spaces between words.

    • Split the input string by spaces to get individual words.

    • Reverse the order of the words in the resulting array.

    • Join the reversed words with a single space to form the final reversed string.

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 Minutes
Round difficulty - Easy

Technical round:asked general questions about networking, os and troubleshooting.
There were three rounds of interviews, all knockout rounds and were held on the same day. It will be a very long day for you, so I suggest you to be prepared.


This interview is based completely on Networking concepts. They expect you to answer in complete depth and be as detailed as possible. It is very normal for interviewer to keep typing on laptop to record your answers while you speak, so speak only what you are sure about, but do not be intimidated by it. A few questions that were asked:

Round 3 - Video Call 

Round duration - 60 Minutes
Round difficulty - Easy

This round was based on Operating Systems and troubleshooting. Just like Interview 1, they expect you to answer in depth.

Other important topics for AWS Operating Systems and Troubleshooting interview: OS boot process (Win/Linux); Memory management ;Memory pages; Buffer and Caches, Basic commands; System date/time management, network time protocol; Managing Users and groups; File permissions; Managing softwares – installation, uninstallation, upgrade etc; Managing system services and background processes; Remote management of a system – SSH, RDP etc; Network protocols – FTP, HTTP (web servers), SMTP (mail server); System automation – cron, batch jobs, windows startup tasks

Round 4 - HR 

Round duration - 45 Minutes
Round difficulty - Easy

Managerial Round- A senior manager from AWS will be taking this interview. It was very conversational and was based mostly on CV. All questions were asked in a completely non technical perspective, but had to be answered pertaining to previous professional tech experiences (be it academic, or internship related), and not in a generalised form.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in HyderabadEligibility criteria6.5 cgpaAmazon Web Services (AWS) interview preparation:Topics to prepare for the interview - DATA STRUCTURES, C, C++, JAVA, DBMS, OS, COMPUTER NETWORKS, CLOUD, linuxTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : Have an idea about cloud computing and aws services
Tip 2 : learn linux and basic computer networks
Tip 3 : moderate level coding questions need to be practiced

Application resume tips for other job seekers

Tip 1 : have some clous based technology included in your resume
Tip 2 : be confident and brush upon your basics in linux,networks and operating systems

Final outcome of the interviewSelected

Skills evaluated in this interview

Amazon Web Services interview questions for designations

 Software Developer Intern

 (1)

 Software Engineer

 (2)

 Web Developer

 (3)

 Software Development Engineer

 (2)

 Software Test Associate

 (1)

 Software Testing Engineer

 (1)

 Software Development Engineer 1

 (1)

 SDE (Software Development Engineer)

 (1)

Interview questions from similar companies

I applied via LinkedIn and was interviewed before Jul 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Easy logical questions
basic quant

Round 2 - Coding Test 

Easy level coding questions
Counting frequency of alphabets

Interview Preparation Tips

Interview preparation tips for other job seekers - Just go through the basics of javascript
Hoisting

I applied via Walk-in and was interviewed before Sep 2019. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. 1.Technical Ques(OOPS Concept)and 2. Area of Interest 3. About Company 4. more

Interview Preparation Tips

Interview preparation tips for other job seekers - Hello Folks,
Sharing some tips while facing Interview Assessment or GD Round Assessment.
1. Be Confident always give the answer what they ask for, Never connect your answer with different topic.
2. Always go through Company Portal or wiki about their Operation & Function.
3. Always have positive vibes that whatever yes or No, You will surely gain something.
All the Best..!!

I applied via Walk-in and was interviewed in Jan 2020. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Basic structure of an HTML page
  • Ans. 

    Basic structure of an HTML page includes doctype declaration, html, head, and body tags.

    • DOCTYPE declaration specifies the HTML version

    • HTML tag wraps the entire content of the page

    • Head tag contains meta information, title, and links to external resources

    • Body tag contains the visible content of the page

  • Answered by AI
  • Q2. What is the difference between padding and margin?
  • Ans. 

    Padding is the space inside an element, while margin is the space outside an element.

    • Padding is used to create space between an element's content and its border.

    • Margin is used to create space between an element's border and the adjacent elements.

    • Padding is affected by the background color of the element, while margin is not.

    • Padding can be set individually for each side of an element (top, right, bottom, left), while ma...

  • Answered by AI
  • Q3. What is Box Model?
  • Ans. 

    Box Model is a concept in CSS where every element is treated as a box with content, padding, border, and margin.

    • Box Model consists of content, padding, border, and margin.

    • Content is the actual content of the box.

    • Padding is the space between the content and the border.

    • Border is the line that goes around the padding and content.

    • Margin is the space outside the border.

  • Answered by AI
  • Q4. What are different types of directives in Angular?
  • Ans. 

    Directives in Angular are markers on DOM elements that tell Angular to attach a specified behavior to that element.

    • There are three types of directives in Angular: Component, Structural, and Attribute.

    • Component directives are used to create reusable UI components.

    • Structural directives are used to change the structure of the DOM.

    • Attribute directives are used to change the appearance or behavior of an element.

    • Examples of ...

  • Answered by AI
  • Q5. Difference between JIT compiler and AOT?
  • Ans. 

    JIT compiles code at runtime while AOT compiles code before runtime.

    • JIT stands for Just-In-Time compilation and compiles code at runtime.

    • AOT stands for Ahead-Of-Time compilation and compiles code before runtime.

    • JIT is used in Java Virtual Machine (JVM) while AOT is used in languages like C and C++.

    • JIT can result in slower startup time but faster execution while AOT can result in faster startup time but slower execution...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Try to answer 80 % of the questions you are asked, you will be able to crack the interview

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Which is the oldest programming language?
  • Ans. 

    Fortran is the oldest programming language.

    • Fortran was developed in the 1950s by IBM.

    • It stands for Formula Translation.

    • It was primarily used for scientific and engineering calculations.

    • Other old programming languages include COBOL and Lisp.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It's fairly simple to get through. Just a good basic knowledge of IT is enough

I applied via Company Website and was interviewed in Oct 2018. There was 0 interview round.

Interview Preparation Tips

General Tips: This interview was a technical one but was majorly a stress test. It lasted for about 1 hour 10 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my B.Tech curriculum i.e. computer science related topics. He stressed a lot on the basics related to my project topic. Luckily I was able to answer most of the questions correctly. I tried to answer each question with examples and also used props on the table (like pens, paperweights, pen stands etc.) to explain my theories. It was my first offcampus interview, and I think I did pretty well for a fresher.
You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the position.
Skills: Communication, Body Language, Problem Solving, Leadership, Presentation Skills
Duration: <1 week

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

The interviewer asked me 2 questions related to DS/Algo in this round . Both the questions were of Easy-Medium difficulty and I was also required to code them in a production ready manner.

  • Q1. 

    Maximum Sum Path in a Binary Tree Problem Statement

    You are provided with a binary tree consisting of N nodes where each node has an integer value. The task is to determine the maximum sum achievable by a...

  • Ans. 

    Find the maximum sum achievable by a simple path between any two nodes in a binary tree.

    • Traverse the binary tree to find all possible paths and calculate their sums.

    • Keep track of the maximum sum encountered during traversal.

    • Consider paths that may include the same node twice.

    • Implement a recursive function to explore all possible paths.

    • Handle cases where nodes have negative values.

  • Answered by AI
  • Q2. 

    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
Round 2 - Face to Face 

(3 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This round had 2 questions of DS/Algo to solve under 50 minutes and one question related to Operating Systems.

  • Q1. 

    Next Greater Element Problem Statement

    You are provided with an array or list ARR containing N positive integers. Your task is to determine the Next Greater Element (NGE) for each element in the array.

    T...

  • Ans. 

    Find the Next Greater Element for each element in an array.

    • Iterate through the array from right to left

    • Use a stack to keep track of elements with no greater element to the right

    • Pop elements from the stack until finding a greater element or stack is empty

  • Answered by AI
  • Q2. 

    Number In Arithmetic Progression Problem

    Given three integers X, C, and Y, where X is the first term of an arithmetic sequence with a common difference of C, determine if Y is part of this arithmetic sequ...

  • Ans. 

    Check if a given number is part of an arithmetic sequence with a given first term and common difference.

    • Calculate the arithmetic sequence using the formula: nth term = X + (n-1) * C

    • Check if Y is equal to any term in the sequence to determine if it belongs to the sequence

    • Return 'True' if Y belongs to the sequence, otherwise return 'False'

  • Answered by AI
  • Q3. Can you define process and threads in operating systems?
  • Ans. 

    Processes are instances of programs in execution, while threads are smaller units within a process that can execute independently.

    • A process is a program in execution, consisting of code, data, and resources.

    • Threads are smaller units within a process that can execute independently.

    • Processes have their own memory space, while threads share the same memory space within a process.

    • Processes are heavyweight, while threads ar...

  • Answered by AI
Round 3 - Face to Face 

(3 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This round had 2 questions of DSA of Easy-Medium difficulty and at the end I was asked a Puzzle to check my general problem solving ability.

  • Q1. 

    Max Product Subset Problem Statement

    Given an array/list arr of size n, determine the maximum product possible by taking any subset of the array/list arr. Return the result modulo 10^9+7 since the product ...

  • Ans. 

    Find the maximum product of a subset of an array modulo 10^9+7.

    • Iterate through the array and keep track of the maximum positive product and minimum negative product encountered so far.

    • Handle cases where the array contains zeros separately.

    • Return the maximum product modulo 10^9+7.

  • Answered by AI
  • Q2. 

    Populating Next Right Pointers in Each Node

    Given a complete binary tree with 'N' nodes, your task is to determine the 'next' node immediately to the right in level order for each node in the given tree.

    ...
  • Ans. 

    Implement a function to update 'next' pointers in a complete binary tree.

    • Iterate level by level using a queue

    • Connect nodes at each level using 'next' pointers

    • Handle null nodes appropriately

    • Ensure the tree is a complete binary tree

  • Answered by AI
  • Q3. You have two wires of different lengths that are both capable of burning for exactly one hour when ignited at both ends. How can you measure a time interval of 45 minutes using these two wires?
Round 4 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This round consisted of 2 questions from DSA where I was first asked to explain my approach to the interviewer with proper complexity analysis and then code the problems. The interviewer was quite friendly and also provided me some hints when I was stuck.

  • Q1. 

    Stack with getMin Operation

    Create a stack data structure that supports not only the usual push and pop operations but also getMin(), which retrieves the minimum element, all in O(1) time complexity witho...

  • Ans. 

    Implement a stack with push, pop, top, isEmpty, and getMin operations in O(1) time complexity without using extra space.

    • Use two stacks - one to store the actual elements and another to store the minimum element at each level.

    • When pushing an element, check if it is smaller than the current minimum and update the minimum stack accordingly.

    • When popping an element, also pop from the minimum stack if the popped element is t...

  • Answered by AI
  • Q2. 

    Split Array Into Maximum Subarrays Problem Statement

    You are given an integer array arr of size N. Your task is to split the array into the maximum number of subarrays such that the first and last occurre...

  • Ans. 

    Given an array, split it into maximum subarrays with first and last occurrence of each element in a single subarray.

    • Iterate through the array and keep track of the first and last occurrence of each element.

    • Use a hashmap to store the indices of each element.

    • Split the array whenever the last occurrence of an element is found.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAAdobe 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 Web Services Interview FAQs

How many rounds are there in Amazon Web Services Software Developer interview?
Amazon Web Services interview process usually has 3 rounds. The most common rounds in the Amazon Web Services interview process are Resume Shortlist, Coding Test and HR.
What are the top questions asked in Amazon Web Services Software Developer interview?

Some of the top questions asked at the Amazon Web Services Software Developer interview -

  1. Merge sort mathematical pr...read more
  2. basic java questi...read more

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Amazon Web Services Software Developer Interview Process

based on 2 interviews

Interview experience

4
  
Good
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Amazon Web Services Software Developer Salary
based on 25 salaries
₹9 L/yr - ₹34 L/yr
166% more than the average Software Developer Salary in India
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Amazon Web Services Software Developer Reviews and Ratings

based on 9 reviews

3.9/5

Rating in categories

4.6

Skill development

3.2

Work-life balance

4.4

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3.0

Job security

3.7

Company culture

4.5

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