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iPangram Mern Stack Developer Interview Questions and Answers

Updated 10 Jan 2021

iPangram Mern Stack Developer Interview Experiences

1 interview found

I applied via Naukri.com and was interviewed in Dec 2020. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Basic nodejs ,es6, MySQL, mongodb and react I don't know more about react so , she only asked me to nodejs ,es6 and projects based questions and written test e-com backend
  • Q2. Login, registration,update,and get api

Interview Preparation Tips

Interview preparation tips for other job seekers - Process are very smooth
HR as well as interviwer also gives u a hint if u approach

Interview questions from similar companies

I appeared for an interview before Dec 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 Minutes
Round difficulty - Medium

2 coding questions and 20 mcq
 

  • Q1. 

    Rotting Oranges Problem Statement

    You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:

    • 0 - representing an empty cell
    • 1 - representing a fre...
  • Ans. 

    Find the minimum time required to rot all fresh oranges in a grid.

    • Use Breadth First Search (BFS) to simulate the rotting process.

    • Track the time taken to rot all oranges and return -1 if any fresh oranges remain.

    • Handle edge cases like no fresh oranges or all oranges already rotten.

    • Consider using a queue to efficiently process adjacent oranges.

    • Ensure to update the grid with the new state of oranges after each second.

  • Answered by AI
  • Q2. 

    Calculate Sum of Proper Divisors

    Given a natural number N, return the sum of all its proper divisors.

    A proper divisor of Y is defined as a number X such that X < Y and Y % X = 0.

    Example:

    Input:
    T...
  • Ans. 

    Calculate the sum of proper divisors of a given natural number.

    • Iterate from 1 to sqrt(N) and check for divisors

    • If a divisor is found, add it to the sum and also add N/divisor if it is not the same as divisor

    • Return the sum as the result

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Medium

Technical interview

  • Q1. 

    Rearrange Array to Form Largest Number

    Given an array ARR consisting of non-negative integers, rearrange the numbers to form the largest possible number. The digits within each number cannot be changed.

    ...

  • Ans. 

    Rearrange the array elements to form the largest possible number by concatenating them.

    • Sort the array elements in a custom comparator function to get the largest number.

    • Convert the sorted array elements to strings and concatenate them to form the final number.

    • Handle cases where the numbers have the same prefix by comparing the concatenated forms.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in DelhiEligibility criteriaCriteria not revealed to candidateAmazon interview preparation:Topics to prepare for the interview - Array, Linkedlist, Tree, Graph, Stack, OOPS, Geeksforgeeks archives, coding ninjas interview experience blogsTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : Be clear about whatever you have mentioned in resume, don't mention buzz words, because interviewer can go in depth
Tip 2 : Along with DS and Algo, if you have 3-4 months experience or internship experience, then be ready to answer scenario based technical questions like scaling the application that you developed and design concepts that can be used for improving
Tip 3 : Last but most important tip is to be calm through out the whole process ,don't loose hope if any round didn't go well ,if you have explained your thought process there is still chance to procees to next round so keep preparating for next rounds.

Application resume tips for other job seekers

Tip 1 : Keep it one page resume and mention keywords which align with your technical and personal competencies.
Tip 2 : Mention 3-4 projects in the order that , project which you can explain best should be at top,then the next, and so on.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. They asked me on java and I have joined as a fresher they not much questions as I got selected as fresher on oops concepts and collections
  • Q2. Please be confident while facing interview and they will check your communication skills

Interview Questionnaire 

1 Question

  • Q1. Who is the c language denoted
  • Ans. 

    C language is a general-purpose, procedural computer programming language.

    • Developed by Dennis Ritchie at Bell Labs in 1972

    • Used for system programming, embedded systems, and application software

    • Influenced many other programming languages such as C++, Java, and Python

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself ?

I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. I were asked to print the number of pairs in an array whose sum is equal to given number k
  • Ans. 

    Count the number of pairs in an array whose sum is equal to a given number k.

    • Iterate through the array and for each element, check if k minus the element exists in the array.

    • Use a hash table to store the frequency of each element in the array.

    • If the array contains duplicates, handle them separately to avoid overcounting.

    • Time complexity can be improved to O(n) using a two-pointer approach.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It was nice

I applied via Recruitment Consultant and was interviewed in May 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Just Basic OOP's question, What is Interface, why use them?
  • Q2. What is Abstract Class?
  • Ans. 

    Abstract class is a class that cannot be instantiated and is used as a base class for other classes.

    • An abstract class can have abstract and non-abstract methods.

    • Abstract methods have no implementation and must be implemented by the derived class.

    • An abstract class can have constructors and fields.

    • An abstract class can be used to define a common interface for a group of related classes.

    • Example: Animal is an abstract clas...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - A recruiter found me on Naukari Site the name of the person is Kartik (*****), and then, set up an initial L1 interview with the peers. The initial contact was a phone screen regarding the job location, title, salary, etc. in Banglore after that, he set up the meetings with peers for the interview.

The interview was too good, but one thing which I feel bad Interviewer asked me salary while this is the part of the HR department, so why Interviewer asked me salary during an interview, this is totally not good for any candidate because if the candidate expectation is greater than the interviewer salary then definitely he will not hire that candidate that means.  



After Interview:-

 Then, Kartik HR contact me again to tell that they are willing to offer less salary 14LPA than that was decided
- I said yes, and they asked me joining date
- I provided the next week date itself
- But I never heard back from them afterward.
- I tried to contact Kartik, but he is not willing to reply

Very unprofessional behavior and bad experience. I don't know were they just wasting my time.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Sep 2020. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Tell about yourself.
  • Ans. 

    I am a software developer with experience in various programming languages and a passion for creating innovative solutions.

    • Proficient in Java, C++, and Python

    • Experience with web development using HTML, CSS, and JavaScript

    • Familiarity with agile development methodologies

    • Strong problem-solving and analytical skills

    • Excellent communication and teamwork abilities

  • Answered by AI
  • Q2. What is array and how it is different from linked lists?
  • Ans. 

    Array is a collection of elements of same data type. Linked list is a data structure where each element points to the next one.

    • Arrays have fixed size, linked lists can grow dynamically

    • Accessing elements in an array is faster than in a linked list

    • Inserting or deleting elements in a linked list is faster than in an array

    • Arrays are stored in contiguous memory locations, linked lists are not

    • Arrays are used for random acces

  • Answered by AI
  • Q3. OSI model (Networking)?
  • Ans. 

    The OSI model is a conceptual model that describes the communication functions of a telecommunication or computing system.

    • The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

    • Each layer has a specific function and communicates with the layers above and below it.

    • The Physical layer deals with the physical transmission of data, while the Application layer deals with u...

  • Answered by AI
  • Q4. Explain OSI model modules?
  • Ans. 

    The OSI model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.

    • The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

    • Each layer has a specific function and communicates with the layers above and below it.

    • The Physical layer deals with the physical transmission of data, while the Applicati...

  • Answered by AI
  • Q5. About project? what technologies used? How you implemented?

Interview Preparation Tips

Interview preparation tips for other job seekers - My personal advice is to first be prepared on what u have written in Resume.
Get some current knowledge about the company like CEO name, latest tech. on which company working on .

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Experience

Interview Questionnaire 

2 Questions

  • Q1. What is your name
  • Q2. What is your role

Interview Preparation Tips

Interview preparation tips for other job seekers - Good, Be professional and Be focus.

iPangram Interview FAQs

What are the top questions asked in iPangram Mern Stack Developer interview?

Some of the top questions asked at the iPangram Mern Stack Developer interview -

  1. Basic nodejs ,es6, MySQL, mongodb and react I don't know more about react so , ...read more
  2. Login, registration,update,and get a...read more

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iPangram Mern Stack Developer Salary
based on 5 salaries
₹1.2 L/yr - ₹8 L/yr
19% less than the average Mern Stack Developer Salary in India
View more details

iPangram Mern Stack Developer Reviews and Ratings

based on 1 review

4.0/5

Rating in categories

3.0

Skill development

4.0

Work-life balance

3.0

Salary

4.0

Job security

3.0

Company culture

4.0

Promotions

3.0

Work satisfaction

Explore 1 Review and Rating
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