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Amazon Software Development Engineer Interview Questions, Process, and Tips

Updated 9 Jan 2025

Top Amazon Software Development Engineer Interview Questions and Answers

  • Q1. Given an acyclic graph of a city where each edge represents a road in the city and each vertex represents an crossing. Write an algo to find out the minimum number of ver ...read more
  • Q2. Given a m * n matrix filled with '0's and 'x's at random position with two positions marked as start 'S' and end 'E'. From each cell you can only move to those adjacent c ...read more
  • Q3. Given a String, find out all the permutation of the strings? Time complexity? Handle duplicate characters. AAA should only give AAA. Write Code
View all 45 questions

Amazon Software Development Engineer Interview Experiences

34 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Assignment 

CodeSignal. LeetCode Easy-Meduim

Round 2 - Coding Test 

Behavioural questions for initial 15 mins. Live coding for 45 mins. Leetcode Medium-Hard

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Feb 2023. There were 2 interview rounds.

Round 1 - Coding Test 

2 questions based on dynamic programming

Round 2 - One-on-one 

(3 Questions)

  • Q1. Asked questions based on coding test
  • Q2. The time complexity of the code I wrote
  • Ans. 

    The time complexity of the code can be determined by analyzing the number of operations performed as a function of the input size.

    • Time complexity is typically expressed using Big O notation, which describes the upper bound on the growth rate of the algorithm.

    • Common time complexities include O(1) for constant time, O(log n) for logarithmic time, O(n) for linear time, O(n^2) for quadratic time, and O(n!) for factorial ti...

  • Answered by AI
  • Q3. Can it be improved? Is there any other way to do it?
  • Ans. 

    Yes, it can be improved by considering alternative approaches or technologies.

    • Consider different algorithms or data structures for optimization

    • Explore new technologies or frameworks that may offer better performance

    • Collaborate with team members to brainstorm alternative solutions

    • Conduct code reviews and seek feedback for improvement

  • Answered by AI

Skills evaluated in this interview

Software Development Engineer Interview Questions Asked at Other Companies

asked in Amazon
Q1. Given an acyclic graph of a city where each edge represents a roa ... read more
asked in Hike
Q2. You have application which shows list of all contacts, the Name c ... read more
asked in Amazon
Q3. Given a m * n matrix filled with '0's and 'x's at random position ... read more
asked in Samsung
Q4. puzzle-There are 1000 wine bottles. One of the bottles contains p ... read more
asked in Accenture
Q5. Have you worked on cloud technology? Architecture of cloud
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Job Fair and was interviewed before Feb 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Data Structures for 45 mins on Hackerrank

Round 2 - Technical 

(2 Questions)

  • Q1. Kadane's algorithm
  • Ans. 

    Kadane's algorithm is used to find the maximum subarray sum in an array of integers.

    • Iterate through the array and keep track of the maximum sum ending at each index.

    • At each index, choose between extending the previous subarray or starting a new subarray.

    • The final result is the maximum sum found during the iteration.

  • Answered by AI
  • Q2. Dynamic programming

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed before Sep 2022. There were 3 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 tips
Round 2 - Coding Test 

2 questions medium difficulty

Round 3 - Technical 

(2 Questions)

  • Q1. Talked about trees, and my projects, two questions from algo writing also taking about time complexity
  • Q2. Why did you use jsp servlets
  • Ans. 

    JSP servlets were used for dynamic web page generation and server-side processing.

    • Used for creating dynamic web pages by embedding Java code in HTML

    • Facilitates server-side processing of user requests

    • Enables separation of presentation and business logic

    • Provides scalability and reusability of code

    • Example: Used JSP servlets to generate personalized user profiles on a website

  • Answered by AI

Skills evaluated in this interview

Amazon interview questions for designations

 Software Development Engineer II

 (29)

 Software Development Engineer 1

 (8)

 Senior Software Development Engineer

 (1)

 Software Development Engineer Test

 (1)

 Software Development Manager

 (4)

 Senior Software Development Manager

 (1)

 Software Development Engineer Intern

 (25)

 SDE (Software Development Engineer)

 (22)

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Oct 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Coding Test 

Some medium level leetcode questions

Round 3 - Aptitude Test 

Some general behavioural questions

Round 4 - Technical 

(1 Question)

  • Q1. Technical questions and approach explanation of coding round

Get interview-ready with Top Amazon Interview Questions

I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

OA is tough clear it Practice DSA

Round 2 - Coding Test 

Coding is super hard solve leetcode

Round 3 - Technical 

(3 Questions)

  • Q1. Reverse a linked-list
  • Ans. 

    Reverse a linked-list

    • Iterate through the linked-list and change the direction of the pointers

    • Keep track of the previous, current and next nodes

    • Set the head of the linked-list to the last node after reversing

  • Answered by AI
  • Q2. Backtracking and Dynamic Programming Questions
  • Q3. DBMS QUERIES third maximum salary
  • Ans. 

    To find third maximum salary in DBMS, we can use the ORDER BY and LIMIT clauses.

    • Use ORDER BY to sort the salaries in descending order

    • Use LIMIT to select the third highest salary

    • Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 2,1

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Amazon Software Development Engineer interview:
  • Data Structures
  • Algorithms
Interview preparation tips for other job seekers - PRACTICE DSA SOLVE LEETCODE CODECHEF SPOJ CONSISTENCY IS IMPORTANT

Skills evaluated in this interview

Software Development Engineer Jobs at Amazon

View all

I applied via Amazon websi and was interviewed in Aug 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. 1. DFS based question Find number of rotten tomatoes.
  • Ans. 

    DFS based question to find number of rotten tomatoes in an array of strings.

    • Implement DFS to traverse the array of strings

    • Check each element for rotten tomatoes

    • Keep track of the count of rotten tomatoes

  • Answered by AI
  • Q2. 2. Another question was baed on use of priority queue to find k nearest points to given robot.

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice Data structure and algorithms througly especially graph algorithms.

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Mar 2019. There were 5 interview rounds.

Interview Questionnaire 

9 Questions

  • Q1. Find shortest path to reach from one point to another in a 2d matrix. Link - -----/
  • Ans. 

    Shortest path in 2D matrix

    • Use BFS or Dijkstra's algorithm

    • Create a visited matrix to avoid revisiting cells

    • Keep track of distance and path

    • Consider obstacles or blocked cells

  • Answered by AI
  • Q2. Vertical order traversal of tree. Link - -----/
  • Ans. 

    Vertical order traversal of tree

    • Vertical order traversal means printing nodes of a binary tree in vertical order

    • We can use a map to store nodes at each horizontal distance from the root

    • Then we can traverse the map and print nodes in each horizontal distance

  • Answered by AI
  • Q3. Sliding window maximum. Link- -----/
  • Q4. Number of binary strings of length N, not containing consecutive 1s. Link: - -----/
  • Ans. 

    The number of binary strings of length N without consecutive 1s.

    • Use dynamic programming to solve the problem.

    • Create an array to store the number of valid strings for each length.

    • Initialize the array with base cases.

    • Iterate through the array and calculate the number of valid strings for each length.

    • Return the value at the Nth index of the array.

  • Answered by AI
  • Q5. Next greater permutation. Link:- -----/
  • Q6. LRU cache. Link:- -----/
  • Q7. Minimum time required to rot all oranges. Link:- -----/
  • Q8. A complete binary is defected because it has a level at which difference between heights of left and right subtree is more than 1. Find the first such level from top.
  • Ans. 

    Find the first level in a complete binary tree where the height difference between left and right subtrees is more than 1.

    • Traverse the binary tree level by level using breadth-first search

    • For each level, calculate the height difference between the left and right subtrees

    • Return the level number when the height difference is more than 1

  • Answered by AI
  • Q9. In last round only project related discussion.

Interview Preparation Tips

Interview preparation tips for other job seekers - I highly recommend practicing on InterviewBit, other sites are also good but I found this platform as most helpful.

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. It was more about array and 2-D matrix
  • Q2. In this round questions were from a bit advanced topics

Interview Preparation Tips

Round: Technical Interview
Experience: The interviewer was very friendly and helped me through the interview
Tips: Keep your calm and make yourself expressive

Round: Technical Interview
Experience: Same as the first round
Tips: This is the last round so try to be clear I'm your thoughts as the interviewer sees your thought process more than correct answers at the first go

College Name: Jadavpur University, Kolkata

Interview Questionnaire 

2 Questions

  • Q1. Avl tree
  • Q2. Longest increasing subsequence
  • Ans. 

    Find the length of the longest increasing subsequence in an array.

    • Use dynamic programming to solve the problem.

    • The time complexity of the algorithm should be O(n^2).

    • Example: For the array [10, 22, 9, 33, 21, 50, 41, 60, 80], the longest increasing subsequence is [10, 22, 33, 50, 60, 80] with length 6.

  • Answered by AI

Interview Preparation Tips

College Name: Jadavpur University, Kolkata

Skills evaluated in this interview

Amazon Interview FAQs

How many rounds are there in Amazon Software Development Engineer interview?
Amazon interview process usually has 2-3 rounds. The most common rounds in the Amazon interview process are Coding Test, Technical and One-on-one Round.
How to prepare for Amazon Software Development Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Amazon. The most common topics and skills that interviewers at Amazon expect are Architectural Design, Clinical SAS Programming, Customer Experience Management, C++ and Operational Excellence.
What are the top questions asked in Amazon Software Development Engineer interview?

Some of the top questions asked at the Amazon Software Development Engineer interview -

  1. Given an acyclic graph of a city where each edge represents a road in the city ...read more
  2. Given a m * n matrix filled with '0's and 'x's at random position with two posi...read more
  3. Given a String, find out all the permutation of the strings? Time complexity? H...read more
How long is the Amazon Software Development Engineer interview process?

The duration of Amazon Software Development Engineer interview process can vary, but typically it takes about 2-4 weeks to complete.

Tell us how to improve this page.

Amazon Software Development Engineer Interview Process

based on 31 interviews

4 Interview rounds

  • Coding Test Round - 1
  • Coding Test Round - 2
  • Technical Round - 1
  • Technical Round - 2
View more
Amazon Software Development Engineer Salary
based on 2k salaries
₹18.9 L/yr - ₹34.1 L/yr
54% more than the average Software Development Engineer Salary in India
View more details

Amazon Software Development Engineer Reviews and Ratings

based on 132 reviews

3.2/5

Rating in categories

3.6

Skill development

2.4

Work-life balance

4.2

Salary

2.4

Job security

2.7

Company culture

2.8

Promotions

2.9

Work satisfaction

Explore 132 Reviews and Ratings
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Gurgaon / Gurugram

0-7 Yrs

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Software Dev Engineer, Amazon Flex

Bangalore / Bengaluru

0-7 Yrs

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