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Extramarks Education Software Engineer Interview Questions, Process, and Tips

Updated 17 Jul 2023

Top Extramarks Education Software Engineer Interview Questions and Answers

  • Q1. What is react, diff between react and angular, deep copy shallow copy, hoisting, diff between props and state
  • Q2. Q1. Find palindrome strings in an array of strings.
  • Q3. Implement custom hooks and array flat method
View all 7 questions

Extramarks Education Software Engineer Interview Experiences

3 interviews found

I applied via LinkedIn and was interviewed in Feb 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is react, diff between react and angular, deep copy shallow copy, hoisting, diff between props and state
  • Ans. 

    React is a JavaScript library for building user interfaces. It is different from Angular in various ways.

    • React is a library while Angular is a framework

    • React uses virtual DOM while Angular uses real DOM

    • React is more flexible and easier to learn than Angular

    • Deep copy creates a new object with the same values while shallow copy creates a new reference to the same object

    • Hoisting is a JavaScript mechanism where variables a...

  • Answered by AI
  • Q2. Implement custom hooks and array flat method
  • Ans. 

    Implement custom hooks and array flat method

    • Custom hooks are reusable functions that allow you to extract component logic into reusable functions

    • Array flat method is used to flatten an array of nested arrays into a single array

    • To implement custom hooks, create a function that uses the useState and useEffect hooks

    • To implement array flat method, use the reduce method to flatten the array

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Go for basic interview question from online site and practice the code challenges

Skills evaluated in this interview

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

I applied via Recruitment Consulltant and was interviewed before Jul 2022. There were 2 interview rounds.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Q1 difference between let and const
  • Ans. 

    let is mutable and can be reassigned, const is immutable and cannot be reassigned

    • let allows reassignment of values, const does not

    • const must be initialized with a value, let can be declared without a value

    • const is block-scoped, let is function-scoped

  • Answered by AI
  • Q2. Q2 what are closures?
  • Ans. 

    Closures are functions that have access to variables from their containing scope even after the parent function has finished executing.

    • Closures allow functions to maintain access to variables from their parent scope

    • They are created when a function is defined within another function

    • Closures are commonly used in event handlers and callbacks

  • Answered by AI
  • Q3. Q3. What is typeof null
  • Ans. 

    typeof null returns 'object' in JavaScript.

    • typeof null is 'object' in JavaScript

    • This is a historical bug in JavaScript that has not been fixed for backward compatibility

    • Example: console.log(typeof null) will output 'object'

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Q1. Find palindrome strings in an array of strings.
  • Ans. 

    Finding palindrome strings in an array of strings.

    • Iterate through each string in the array.

    • For each string, check if it is equal to its reverse to determine if it is a palindrome.

    • Store palindrome strings in a separate array or print them out.

  • Answered by AI
  • Q2. Q2. Explain debouncing with example.
  • Ans. 

    Debouncing is a technique used to limit the rate at which a function is called.

    • Debouncing is used to prevent multiple rapid calls to a function, typically in response to user input.

    • It involves setting a delay before allowing the function to be called again.

    • Example: Debouncing a search input field to only trigger the search function after the user has stopped typing for a certain period.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - For frontend round, you should know most frequently asked Javascript questions. One e.g. can be debouncing. You should also know basic coding questions like find palindrome.

Skills evaluated in this interview

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I was interviewed in Feb 2021.

Interview Questionnaire 

1 Question

  • Q1. Admin average question as well as with trigger event or aura component.

Interview Preparation Tips

Interview preparation tips for other job seekers - Average and got the offer... It nice company work environment is too good.....

Interview questions from similar companies

I applied via Job lever and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Coding Test 

Easy leetcode code 2 questions , HTML5 css javascript simple screen design

Round 2 - One-on-one 

(1 Question)

  • Q1. Oop, Simple coding javascript, react basic, sql basic

Interview Preparation Tips

Interview preparation tips for other job seekers - Take it easy and go with confidence which matters most
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Coding test around front end using react

I was interviewed in Jan 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 70 minutes
Round difficulty - Easy

We're provided with 60 minutes.
We're provided with desktop as it was online test.

  • Q1. 

    Leap Year Checker

    Determine if a given year, represented as an integer 'N', is a leap year.

    A leap year is defined as a year with 366 days, unlike a normal year which has 365 days.

    Input:

    The initial i...
  • Ans. 

    The task is to determine if a given year is a leap year or not.

    • Check if the year is divisible by 4, if yes then proceed to next step

    • If the year is divisible by 100, then it should also be divisible by 400 to be a leap year

    • If the year satisfies both conditions, output 'Yes', else output 'No'

  • Answered by AI
Round 2 - Face to Face 

Round duration - 25 minutes
Round difficulty - Easy

They basically ask questions related to operating system

Round 3 - HR 

Round duration - 15 minutes
Round difficulty - Easy

There were 2 interviewers who talked to me and ask different questions regarding my company, my experience in college etc.
It was kind of chit chat but basically they were testing my conversation skills.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in GurgaonEligibility criteriaNo crieteriaCuemath interview preparation:Topics to prepare for the interview - Dtaa structure, Algorithm, Java , Operating System, C++Time required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Try to give mock interview as much as you can
Tip 2 : Good with technical skills

Application resume tips for other job seekers

Tip 1 : Mention good projects
Tip 2 : Any internship will be add-on

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 120 minutes
Round difficulty - Easy

It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium level. Time was enough and no sectional time was present. 1-2 MCQs on SQL were also present.

This round was immediately followed by an SHL aptitude test which was basically a quick limited time check of your verbal ability and math because many questions were to be done in 1 hour.

  • Q1. 

    Boolean Matrix Transformation Challenge

    Given a 2-dimensional boolean matrix mat of size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi...

  • Ans. 

    Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.

    • Iterate through the matrix and mark rows and columns to be modified

    • Use additional arrays to keep track of rows and columns to be modified

    • Update the matrix in-place based on the marked rows and columns

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 minutes
Round difficulty - Easy

It was an online video interview round on HackerEarth with simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class which required inheritance was asked by the interviewer to write. I was helped by the interviewer if i got stuck somewhere, Some questions on implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Dronacharya College of Engineering. I applied for the job as Software Engineer in DelhiEligibility criteria7 CGPAToppr interview preparation:Topics to prepare for the interview - DBMS, OOPS, Data structures, Dynamic Programming, Graphs, Algorithms, Sorting searching, Compiler designTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Never give up
Tip 2 : When u start a topic, don't move on to next topic before you are 100% confident in previous topic
Tip 3 : Try to give maximum time on basics of a topic especially OOPS
Tip 4 - Practice Atleast 250 Questions
Tip 5 - Ex- Do atleast 2 projects

Application resume tips for other job seekers

Tip 1 : Write only those things in resume in which you are 100% confident
Tip 2 : Write maximum projects you have and be ready to explain them thoroughly
Tip 3 : Don't make any silly spelling mistakes on resume

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before May 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

It was an coding round

  • Q1. 

    The Skyline Problem

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...

  • Ans. 

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.

    • Iterate through the buildings and create a list of critical points (x, y) where the height changes.

    • Sort the critical points based on x-coordinate and process them to form the skyline.

    • Merge consecutive horizontal segments of equal height into one to ensure no duplicates.

    • Return the fin...

  • Answered by AI
  • Q2. 

    Rat in a Maze Problem Statement

    You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...

  • Ans. 

    Find all possible paths for a rat in a maze from source to destination.

    • Use backtracking to explore all possible paths in the maze.

    • Keep track of visited cells to avoid revisiting them.

    • Recursively try moving in all directions (up, down, left, right) until reaching the destination.

    • Return a list of strings representing valid paths sorted in alphabetical order.

  • Answered by AI
Round 2 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

It was an HR round with some general questions. it was just for formality.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAupgrad interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Stay focused
Tip 2 : Practice coding questions.
Tip 3 : View previous interviews of the companies

Application resume tips for other job seekers

Tip 1 : Don't lie on resume
Tip 2 : Just write in format that is catchy

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Concepts of node and Js
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed before Nov 2023. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Question on Binary trees: if symmetric, easy string question using hashmap
  • Q2. If we are hosting a live test how to show real time ranking, HLD for this and what algorithms can we use
Round 2 - Technical 

(1 Question)

  • Q1. Database schema design for a feature where user can be free, gold, platinum.
  • Ans. 

    Use a user table with a column for user type (free, gold, platinum)

    • Create a user table with columns for user ID, name, email, user type

    • Use a separate table for user types with columns for type ID and type name

    • Establish a one-to-many relationship between user and user type tables

    • Example: user table - user_id, name, email, type_id; user_type table - type_id, type_name

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. HLD for live rank dashboard for a live test where millions of users are doing test
  • Ans. 

    High-level design for a live rank dashboard for a live test with millions of users.

    • Use a scalable architecture to handle millions of users concurrently.

    • Implement real-time data processing to update ranks dynamically.

    • Utilize caching mechanisms to improve performance and reduce load on the database.

    • Design a user-friendly interface with intuitive data visualization.

    • Include features for filtering, sorting, and searching to

  • Answered by AI

Skills evaluated in this interview

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Extramarks Education Interview FAQs

How many rounds are there in Extramarks Education Software Engineer interview?
Extramarks Education interview process usually has 2-3 rounds. The most common rounds in the Extramarks Education interview process are Resume Shortlist, Technical and One-on-one Round.
How to prepare for Extramarks Education Software 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 Extramarks Education. The most common topics and skills that interviewers at Extramarks Education expect are Android SDK, Computer science, JSON, Life Cycle and Mobile Development.
What are the top questions asked in Extramarks Education Software Engineer interview?

Some of the top questions asked at the Extramarks Education Software Engineer interview -

  1. What is react, diff between react and angular, deep copy shallow copy, hoisting...read more
  2. Q1. Find palindrome strings in an array of strin...read more
  3. Implement custom hooks and array flat met...read more

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Extramarks Education Software Engineer Interview Process

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