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Amazon Embedded Software Engineer Interview Questions and Answers

Updated 12 May 2024

Amazon Embedded Software Engineer 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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Programing language
Round 3 - Aptitude Test 

Syllabus based question

Round 4 - HR 

(1 Question)

  • Q1. Introduction, education
Interview experience
4
Good
Difficulty level
Easy
Process Duration
6-8 weeks
Result
Not Selected

I applied via Company Website and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Circular primes till n
  • Ans. 

    Circular primes are prime numbers that remain prime when their digits are rotated.

    • Generate all prime numbers up to n

    • For each prime number, check if all rotations are also prime

    • Keep track of circular primes found

  • Answered by AI

Embedded Software Engineer Interview Questions Asked at Other Companies

asked in Aptiv
Q1. 3. 1)Do you know about Autosar. 2)define function definition and ... read more
asked in Cyient
Q2. Introduction. Difference between Embedded Systems and Embedded so ... read more
asked in Cyient
Q3. 1) which microcontroller you have used in Academics?
Q4. What is conductor, insulator and semi conductor?
asked in HCLTech
Q5. 3. How to enter if and else at the same time

I applied via Referral and was interviewed in Jan 2022. There was 1 interview round.

Round 1 - Phone interview 

(1 Question)

  • Q1. Advanced data structures like double linked list

Interview Preparation Tips

Topics to prepare for Amazon Embedded Software Engineer interview:
  • Data Structures
Interview preparation tips for other job seekers - They ask you about advanced data structures even though you are never going to use them.
The thing is their hiring standards are very high and work is mostly project maintenance type only.

I applied via Referral and was interviewed in Jan 2022. 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 tips
Round 2 - Phone interview 

(1 Question)

  • Q1. Double linked list, single linked list, dynamic memory allocation

Interview Preparation Tips

Interview preparation tips for other job seekers - Review data structures and algorithms thoroughly, solve problems without using libraries.

Amazon interview questions for designations

 Software Engineer

 (75)

 Software Development Engineer

 (35)

 Software Engineer Intern

 (13)

 Senior Software Engineer

 (8)

 Software Testing Engineer

 (2)

 Junior Software Engineer

 (2)

 Software Engineer II

 (2)

 System Software Engineer

 (1)

Interview questions from similar companies

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 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, 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 Preparation Tips

Round: CODING ROUND
Experience: In the coding round there were 3 questions to be solved in about 3 hrs.

Round: HR Interview
Experience: Expect the usual crazy questions like "Why LinkedIn?" and if you are already placed, be ready to give a proper justification for "Why LinkedIn and not XYZ?" so on. Be cool, you need not be accurate. Be well prepared with your resume and expect questions from them.
Tips: For the interview, just be confident and have a good resume ready with you.

Round: Other Interview
Experience: Coding Interview:
Simple coding questions. Make sure you first explain the logic to them and then you may be asked to write the code for it on the board using any language of your choice. Syntax is not a big deal, but don't make any logical errors. They are very friendly and may suggest certain solutions of their own. Make sure you can grasp them quickly. Find faults in your own code before they find it. Always try to give the best optimal solution. In case you are unable to do so then suggest possible improvements.

Round: Other Interview
Experience: Design Interview:
Some people may find this round a bit uneasy. But this round tests how good you are at designing solutions to problems. Most of the candidates were asked to build an online gaming system. And then they keep adding extra constraints and ideas and see if you can integrate them to your design. Database knowledge may be tested. They may also ask questions pertaining to you projects listed in your resume.

General Tips: An updated LinkedIn account with decent connections. ;)
Skill Tips: Be very strong with your coding ability. Whenever you code, do follow some standard procedures and make the code look simple and structured. Whenever you solve a coding question make sure you answer it completely for all the test cases. Partial results will only indicate that there is something wrong with the logic. Try to solve a complete question rather than multiple questions with partial results.
College Name: NIT SURATHKAL

Interview Preparation Tips

General Tips: It might help in general to try to become a better developer at all times. One way to get good at it is to really enjoy what you do!Do random projects, use linux, Read Hacker News (-----/)  daily and wear hippie computer t-shirts (:-P) - Interviewers really LOVE talking about these, especially HR rounds (my HR interviewer was also a programmer).
College Name: NIT SURATHKAL

I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Given a 2d matrix with some D doors and W walls, we need fill distance matrix with minimum distance to the nearest door
  • Ans. 

    Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.

    • Iterate through the matrix and find the doors

    • Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door

    • Update the distance matrix with the minimum distances

  • Answered by AI
  • Q2. Given a read-only array we want to find kth smallest element in unordered array with O(1) space
  • Ans. 

    Find kth smallest element in unordered array with O(1) space

    • Use the QuickSelect algorithm to partition the array and find the kth smallest element

    • Choose a pivot element and partition the array into two subarrays

    • Recursively partition the subarray that contains the kth smallest element

    • Repeat until the pivot element is the kth smallest element

    • Time complexity: O(n) average case, O(n^2) worst case

  • Answered by AI
  • Q3. Design question
  • Q4. Find friends of friend who already are not friends with you
  • Ans. 

    To find friends of friends who are not already friends with you, we can first find your friends and then their friends excluding yourself and your friends.

    • Get your list of friends

    • For each friend, get their list of friends

    • Exclude yourself and your friends from the final list of friends of friends

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
Tips: Just walk the interviewer through the solution you're proposing.

Round: Other Interview
Experience: He started with a design question with how to stream an image such that all clients see the same image at the same time. You need to take care of delays, network problems. He kept on adding new elements like compression, streaming, utc time related issues, client rendering delays and so on.

Round: Other Interview
Experience: This was bar-raiser round.

Skills: Design, Algorithms And Data Structures, Graph Theory
College Name: IIT Madras

Skills evaluated in this interview

I appeared for an interview before Apr 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.

  • Q1. 

    Kth Largest Element Problem Statement

    Given an array of distinct positive integers and a number 'K', your task is to find the K'th largest element in the array.

    Example:

    Input:
    Array: [2,1,5,6,3,8], K ...
  • Ans. 

    Find the Kth largest element in an array of distinct positive integers.

    • Sort the array in non-increasing order

    • Return the Kth element from the sorted array

    • Handle multiple test cases

  • Answered by AI
  • Q2. 

    Orange Rotting Problem Statement

    Consider a grid containing oranges. Each cell in this grid can hold one of three integer values:

    • Value 0: Represents an empty cell.
    • Value 1: Represents a fresh orang...
  • Ans. 

    The task is to determine the minimum time required for all fresh oranges to become rotten in a grid.

    • Create a queue to store the rotten oranges and their time of rotting.

    • Iterate through the grid to find the initial rotten oranges and add them to the queue.

    • Perform BFS by popping each rotten orange from the queue, rot adjacent fresh oranges, and add them to the queue with updated time.

    • Continue until the queue is empty, ke...

  • Answered by AI
Round 2 - Face to Face 

Round duration - 45 minutes
Round difficulty - Easy

This was a design round.

Interview Preparation Tips

Eligibility criteriaAbove 8 CGPAUber interview preparation:Topics to prepare for the interview - Design, Algorithms And Data Structures, Graph Theory, 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 interviewRejected

Skills evaluated in this interview

Amazon Interview FAQs

How many rounds are there in Amazon Embedded Software Engineer interview?
Amazon interview process usually has 2 rounds. The most common rounds in the Amazon interview process are Resume Shortlist, Technical and Aptitude Test.
What are the top questions asked in Amazon Embedded Software Engineer interview?

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

  1. Circular primes til...read more
  2. Double linked list, single linked list, dynamic memory allocat...read more
  3. Advanced data structures like double linked l...read more

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Amazon Embedded Software Engineer Interview Process

based on 2 interviews

Interview experience

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Good
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