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HackerRank Backend Software Engineer Interview Questions and Answers

Updated 26 Dec 2024

HackerRank Backend Software Engineer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

2 simple questions were asked and related time and space complexity was asked.
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2w
toobluntforu
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works at
Cvent
Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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I applied via Campus Placement and was interviewed before Jul 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

General aptitude test with math and logic related questions. there were also coding questions which were given more weightage than the other questions.

Round 2 - One-on-one 

(2 Questions)

  • Q1. Standard linked list questions like finding the middle of a linked list, checking if the linked list is a loop etc
  • Q2. Max heap related questions.
Round 3 - One-on-one 

(1 Question)

  • Q1. This interview was mostly math related questions. for eg: prove if a number is irrational.

Interview Preparation Tips

Topics to prepare for Amagi Media Labs Software Engineer interview:
  • Data Structures
  • Maths
  • puzzles
Interview preparation tips for other job seekers - focus is on checking basic coding and problem solving skills. a separate round for testing mathematical ability was a surprise.

Interview Preparation Tips

Round: Test
Experience: A coding test (Students were asked to bring Laptops)
Tips: Be thorough with C/C++, networking, OS, Data structures and architecture
Duration: 90 minutes

Round: Interview
Experience: 3 rounds of interview, one hour each, all technical 
Interview Process:All the three rounds are oriented around programming. A lot of focus was given to Data structures, C/C++, OS and algorithmsThe code from previous test is shown and they expect you to fix any bugs if thereThe interviewers are quietly friendly and help if you get stuck at any pointIf you do have any related projects, anticipate some thorough questions on that
Tips: Though the interviewers are helpful, get your basics clear early on. Don't rely on them.Practice coding sessions, a lot of companies have them as a shortlisting criteria.

College Name: IIT Madras

Interview Preparation Tips

Round: Test
Experience: PAPER DURATION: 3 hours
NO. OF QUESTIONS: 2 (20 marks each)
MAXIMUM MARKS: 20*2 = 40 marksQUESTION 1:
JSON Prettier:-Write a program which takes JSON as input and gives prettified JSONYou need to read JSON from STDIN. Input gives one line of uglified JSON.Output should be formatted JSON. Check the standard output link.Use 2 white spaces (not‘\t’) for one indentation.SAMPLE INPUT:{“group” : {list : [1,2,3]}, “list” : [“a”,”b”,”c”]}SAMPLE OUTPUT:{“group” : {List : [1,2,3]},“list” : [“a”,”b”,”c”]}EXPLANATION: Input will be uglifiedjson in one line and output will be prettified format of that. QUESTION 2:XML parse plus series computationEvaluate an expression given in XML format. Keys will be Expr- contains the entire expression. Elem – contains the digit, sum, Prod- contains two or more keys whose evaluation needs to be summed or multiplied respectively. Sub will contain 2 keys or more, where the second key onwards will have to be subtracted from the first one. Div- will contain 2 keys in which first key will need to be divided by second. SAMPLE INPUT:4673 SAMPLE OUTPUT:
20EXPLANATION:Input will be xml file through standard input. End of xml file marked by .
Duration: 180 minutes
Total Questions: 2

College Name: NA

I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Core concepts of javascript.
  • Q2. Defining the high-level component structure of a page.
  • Ans. 

    High-level component structure of a page refers to the organization of the main elements on a webpage.

    • Identify the main content area of the page

    • Determine the navigation menu and its placement

    • Decide on the placement of secondary content such as ads or related articles

    • Consider the footer and its contents

    • Ensure the page is responsive and adaptable to different screen sizes

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for the core concepts and be ready to solve problems given at random. Knowing which concept to use would be very much helpful in getting the solutions to the questions.

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Can you provide an introduction about yourself?
  • Q2. What qualifications have you obtained, and can you explain the project you completed during your engineering studies?
  • Ans. 

    I hold a Bachelor's degree in Computer Engineering and developed a web-based project for managing student records.

    • Bachelor's degree in Computer Engineering from XYZ University.

    • Completed a capstone project on a web application for student record management.

    • Utilized technologies like HTML, CSS, JavaScript, and Node.js.

    • Implemented features such as user authentication, data visualization, and a responsive design.

    • Collaborat...

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Why do you believe this company is a suitable fit for you?
  • Ans. 

    This company aligns with my values, offers growth opportunities, and fosters innovation, making it an ideal environment for my skills.

    • The company's commitment to innovation resonates with my passion for developing cutting-edge software solutions.

    • I admire the collaborative culture here, which I experienced during my interactions with the team during the interview process.

    • The emphasis on professional development and cont...

  • Answered by AI
  • Q2. Do you have any questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be honest and provide complete details about yourself.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Details of Kafka
  • Q2. Concurrency questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Walk-in and was interviewed in Jul 2022. There were 6 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 

There is 4 coding question all are on DSA.

Round 3 - Group Discussion 

They give one topic. and provide 10 to 15 minutes to think.

Round 4 - Technical 

(1 Question)

  • Q1. He is giving one coding question. ask some language questions.
Round 5 - Technical 

(2 Questions)

  • Q1. DSA question and databases question
  • Q2. SQL question, stack, queue, and LinkedList are all the things we know from the scretch
Round 6 - HR 

(1 Question)

  • Q1. They introduce the company details and normal question

Interview Preparation Tips

Interview preparation tips for other job seekers - Do more and more practice for DSA. and solve the coding questions.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2023. There were 3 interview rounds.

Round 1 - Assignment 

We were to make a go Lang api using one of the frameworks the company has made named go-fr

Round 2 - Technical 

(1 Question)

  • Q1. I was asked 3 questions that were easy they were adding two linked list, tortoise and hare method to find the mid of the linked list and 2 sum problem. On top of that verbal skills were also tested as o wa...
Round 3 - Technical 

(1 Question)

  • Q1. The round tested my Go Lang skills and the questions were generally from the assignment and some HR questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Do easy to medium leetcode and SQL as well also prepare for networking and Operating system

I applied via Referral and was interviewed before Jun 2021. 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 - Technical 

(2 Questions)

  • Q1. The first round was a detailed discussion on one of my previous projects(almost 35 minutes, went to maximum possible depth) and one DSA question. Please prepare your resume projects very well.
  • Q2. The question was a stack bases leetcode medium question.
Round 3 - Technical 

(1 Question)

  • Q1. This was the final round. It again a follow up of the first one. Started with a project discussion(did not go that much of depth as first one) . Again one DSA question was there to solve(they make you writ...

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Be through with your resume.
2. Practice DSA regularly.
3. Know your projects ver well.

HackerRank Interview FAQs

How many rounds are there in HackerRank Backend Software Engineer interview?
HackerRank interview process usually has 1 rounds. The most common rounds in the HackerRank interview process are Coding Test.

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Overall Interview Experience Rating

3/5

based on 1 interview experience

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