Amazon interview experience Real time questions & tips from candidates to crack your interview

Support Engineer

Amazon
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4 rounds | 7 Coding problems

Interview preparation journey

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Journey
I started with the basics of programming, DSA, web development, making projects, and solving Leetcode problems. I got this offer through a referral from a friend.
Application story
I got the opportunity through a referral from my friend. After his application, I received a call from the recruiter, and then she asked some basic questions and started the interview process.
Why selected/rejected for the role?
I was selected because I excelled in all my interview rounds, and my project discussion and DSA rounds went very well.
Preparation
Duration: 1 month
Topics: DSA, OS, DBMS, Troubleshooting, Linux, Shell Scripting, Web Development
Tip
Tip

Tip 1 : Don't lie on your resume.
Tip 2 : Do mention projects as there will be a separate project discussion round.
Tip 3 : Practice programming basics like Arrays, Strings, DP, Recursion, strings, etc.
Tip 4 : In Development, revise projects in depth.

Application process
Where: Campus
Eligibility: 2+ yrs Experience
Resume Tip
Resume tip

Tip 1: Mention projects.
Tip 2: Explain past experience in detail.

Interview rounds

01
Round
Medium
Video Call
Duration50 minutes
Interview date12 Oct 2023
Coding problem1

Interviews were very friendly.

1. Maximum Subarray Sum

Moderate
25m average time
75% success
0/80
Asked in companies
Paytm (One97 Communications Limited)AmazonSnapdeal

Given an array of integers, find the maximum subarray sum, i.e., find the sum of contiguous subarray within the array which has the largest sum.

Problem approach

Step 1 : Start with the first element.
Step 2 : For each subsequent element:
- Choose the maximum between the current element and the sum of the current element and the previous maximum.
- Update the maximum sum seen so far accordingly.
Step 3 : Return the maximum sum seen so far after iterating through the array.

Try solving now
02
Round
Medium
Video Call
Duration40 minutes
Interview date19 Oct 2023
Coding problem1

1. Level Order Traversal

Easy
10m average time
90% success
0/40
Asked in companies
Goldman SachsAmazonFlexiEle Consulting Services (FE)

Given a binary tree, return the level order traversal of its nodes' values.

Problem approach

This problem can be solved using BFS. 
1. We traverse the tree level by level, starting from the root node and moving to its children in a breadth-first manner, while keeping track of the nodes at each level. 
2. Finally, we return the collected node values in the form of a list of lists representing each level.

Try solving now
03
Round
Easy
Video Call
Duration30 minutes
Interview date25 Oct 2023
Coding problem2

1. Multitasking vs. Multithreading

Difference between multitasking and multi-threading.

Problem approach

Tip 1: Practice basic OS concepts.
 

2. Semaphores

Explain semaphores.

Problem approach

Tip 1: Read OS interview questions from various sources.

04
Round
Easy
HR Round
Duration30 minutes
Interview date29 Oct 2023
Coding problem3

Managerial round.

1. Basic HR Question

Can you give an example of a time when you had to make a difficult decision under pressure? How did you arrive at your decision, and what were the results?

Problem approach

Tip 1: Don't Lie.
Tip 2: If not faced such situation, you can tell them.
 

2. Basic HR Question

Tell me about a time when you had to innovate or think outside the box to solve a problem. What was the problem, and how did you approach it?

Problem approach

Tip 1: Try to add actual data points/technical details to back your answer.
 

3. Basic HR Question

Did you receive any critical feedback and how did you handle that?

Problem approach

Tip 1: Tell what feedback you got from your previous managers.
 

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Skill covered: Programming

Which SQL keyword removes duplicate records from a result set?

Choose another skill to practice
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