Upload Button Icon Add office photos

Filter interviews by

HackerRank Software Developer Interview Questions and Answers

Updated 15 Jul 2024

HackerRank Software Developer Interview Experiences

1 interview found

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

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

Round 1 - One-on-one 

(1 Question)

  • Q1. Create specific components
  • Ans. 

    Creating specific components for software development

    • Identify the requirements for the component

    • Design the component architecture

    • Implement the component using appropriate programming languages and tools

    • Test the component for functionality and performance

    • Integrate the component into the larger software system

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed in Sep 2021. There was 1 interview round.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with DSA and low level design. Also have a good idea about Computer science fundamentals .
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Implement tail -f command

Round 2 - Technical 

(2 Questions)

  • Q1. Kafka partitions
  • Q2. Elasticsearch queries
Round 3 - HR 

(2 Questions)

  • Q1. Why Browserstack?
  • Ans. 

    Browserstack is a popular cloud-based cross-browser testing tool used by developers worldwide.

    • Provides access to a wide range of browsers and devices for testing

    • Allows for parallel testing to save time and increase efficiency

    • Integrates with popular testing frameworks like Selenium and Appium

    • Offers features like screenshots, video recordings, and debugging tools

    • Used by companies like Microsoft, Twitter, and Airbnb for t

  • Answered by AI
  • Q2. Any challenge you faced at current company?
  • Ans. 

    Yes, I faced a challenge in integrating a new third-party API with our existing system.

    • Had to understand the documentation of the API thoroughly

    • Encountered compatibility issues with our system

    • Worked closely with the API provider to troubleshoot and resolve issues

  • Answered by AI

I appeared for an interview in Jun 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 180 minutes
Round difficulty - Hard

The test link had 3 days expiry so I could attempt test anytime. It was conducted on doselect.com

  • Q1. 

    Equilibrium Indices in a Sequence

    You are given an array/list named 'SEQUENCE', which consists of 'N' integers. The task is to identify all equilibrium indices in this sequence.

    Explanation:

    An equilibr...

  • Ans. 

    The task is to find the equilibrium indices of a given sequence, where the sum of elements at lower indices is equal to the sum of elements at higher indices.

    • Iterate through the sequence and calculate the total sum of all elements

    • Initialize a left sum and right sum as 0

    • For each index, update the left sum and right sum and check if they are equal

    • If they are equal, add the index to the equilibrium indices

    • Return the equil

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

Video interview round wherein I was asked to wrote code for the problem statements given by the interviewer. The problems were mainly focused on advanced JS concepts like asynchonous progamming, timers, closures, and data structure problems around arrays, sets, linked list etc.

  • Q1. 

    Rearrange Linked List Problem Statement

    Given a singly linked list in the form 'L1' -> 'L2' -> 'L3' -> ... 'Ln', your task is to rearrange the nodes to the form 'L1' -> 'Ln' -> 'L2' -> '...

  • Ans. 

    The task is to rearrange the nodes of a singly linked list in a specific order without altering the data of the nodes.

    • Iterate through the linked list to find the middle node using the slow and fast pointer technique.

    • Reverse the second half of the linked list.

    • Merge the first and reversed second half of the linked list alternatively to get the desired order.

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

This was the last round with HR wherein they judged cultural fit and there was discussion on things like my expectations v/s their expectations etc.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNoSpringworks interview preparation:Topics to prepare for the interview - Javascript/Typescript, NodeJS, MongoDB, SQL, Angular, Data Structures and Algorithms, Object Oriented Programming ConceptsTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Get well versed with the fundamentals of Javascript including advanced concepts like promises, async/await, generators, higher order functions, closures, currying etc.
Tip 2 : Do some projects on MERN Stack because a lot of projects here use some or all of those technologies
Tip 3 : Do prepare for behavioral/cultural-fit questions especially around how you'll handle various stituations during work or how will you manage productivity while working remotely.

Application resume tips for other job seekers

Tip 1 : Having projects on MERN stack will give you advantage
Tip 2 : Do mention if you have any AWS experience.
Tip 3 : Mention all your internships/past experiences. Keep them crisp and talk about what you did and it's impact/outcome.
Tip 4 : Any experience/exposure to blockchain will definitely give brownie points.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview in Nov 2021.

Round 1 - Coding Test 

Round duration - 30 minutes
Round difficulty - Easy

This round mainly consisted of some questions on advanced JS topics like Execution Context, Callback queue, Micro task queue, Promises, etc.

Round 2 - Telephonic Call 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

This round was more technical compared to the previous one. The interviewer was a senior developer. If questions were not answered, answers would be given/explained.

  • Q1. What are some aggregate operators in MongoDB?
  • Ans. 

    Aggregate operators in MongoDB are used for data aggregation and manipulation.

    • Some aggregate operators in MongoDB include $sum, $avg, $min, $max, $push, $addToSet, $first, $last, $project, $match, $group, $sort, $limit, $skip.

    • Example: db.collection.aggregate([{$group: {_id: '$field', total: {$sum: '$value'}}}])

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

This round was mainly to assess my experience level, roles, and responsibilities from my previous company. Salary negotiations also happened here.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNo criteriaSpringworks interview preparation:Topics to prepare for the interview - Databases, Asynchronous programming, Promises, JavaScript, DS.Time required to prepare for the interview - 1 monthInterview preparation tips for other job seekers

Tip 1 : Learn about Execution Context, Promises in JS
Tip 2 : Learn about indices, Difference between different databases
Tip 3 : Error handling and Exceptions

Application resume tips for other job seekers

Tip 1 : Put in what you’ve done and not what you could have done.
Tip 2 : Keep it short and simple

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Aptitude Test 

Aptitude questions with 2-3 coding questions

Round 2 - Technical 

(2 Questions)

  • Q1. Input-wwwrrrrttttuu Output - w3r4t4u2
  • Q2. Interpreter vs compiler
  • Ans. 

    Interpreter executes code line by line, compiler translates code into machine code before execution.

    • Interpreter translates code into machine code line by line during runtime

    • Compiler translates code into machine code before execution

    • Interpreted languages include Python, JavaScript

    • Compiled languages include C, C++

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Implement tail f

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn development along with DSA
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Explain basics of c#
  • Ans. 

    C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.

    • C# is an object-oriented language with features like classes, inheritance, and polymorphism.

    • It is strongly typed, meaning variables must be declared with a specific data type.

    • C# supports modern programming concepts like async/await for asynchronous programming.

    • It is commonly used for developing desktop, w...

  • Answered by AI
  • Q2. C# basics oops sql server

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare basics

Skills evaluated in this interview

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

(2 Questions)

  • Q1. Coding question on DSA
  • Q2. Design pattern followed by basic java questions
Round 2 - Technical 

(2 Questions)

  • Q1. Design patterns in java
  • Ans. 

    Design patterns in Java are reusable solutions to common problems in software design.

    • Design patterns help in creating flexible, maintainable, and scalable code.

    • Some common design patterns in Java include Singleton, Factory, Observer, and Strategy.

    • Each design pattern has its own purpose and can be applied in different scenarios.

    • Design patterns promote code reusability and help in organizing code in a structured manner.

  • Answered by AI
  • Q2. Database designing and java8

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic questions of dbms ,os

Round 2 - One-on-one 

(2 Questions)

  • Q1. Delete middle node of linked list
  • Ans. 

    To delete the middle node of a linked list, we can iterate through the list to find the middle node and then remove it by adjusting the pointers.

    • Iterate through the linked list to find the middle node by using two pointers - one moving one node at a time and the other moving two nodes at a time.

    • Once the middle node is found, adjust the pointers to skip over the middle node and connect the nodes before and after it.

    • Hand...

  • Answered by AI
  • Q2. N queen problem

Interview Preparation Tips

Interview preparation tips for other job seekers - Be self-confident

Skills evaluated in this interview

HackerRank Interview FAQs

How many rounds are there in HackerRank Software Developer interview?
HackerRank interview process usually has 1 rounds. The most common rounds in the HackerRank interview process are One-on-one Round.

Tell us how to improve this page.

HackerRank Software Developer Interview Process

based on 1 interview

Interview experience

3
  
Average
View more
HackerRank Software Developer Salary
based on 6 salaries
₹16 L/yr - ₹22 L/yr
114% more than the average Software Developer Salary in India
View more details

HackerRank Software Developer Reviews and Ratings

based on 2 reviews

4.1/5

Rating in categories

4.5

Skill development

4.5

Work-life balance

5.0

Salary

3.1

Job security

5.0

Company culture

5.0

Promotions

4.1

Work satisfaction

Explore 2 Reviews and Ratings
Software Development Engineer II
14 salaries
unlock blur

₹22 L/yr - ₹35 L/yr

Senior Software Engineer
10 salaries
unlock blur

₹31 L/yr - ₹45 L/yr

Software Engineer
7 salaries
unlock blur

₹10 L/yr - ₹24.6 L/yr

Software Developer
6 salaries
unlock blur

₹16 L/yr - ₹22 L/yr

Senior Data Engineer
6 salaries
unlock blur

₹28 L/yr - ₹31.3 L/yr

Explore more salaries
Compare HackerRank with

Aurigo

4.7
Compare

Prime Focus Technologies

3.4
Compare

Nowfloats Technologies

3.2
Compare

Peel-works

3.7
Compare
Did you find this page helpful?
Yes No
write
Share an Interview