1 Internshala Mern Full Stack Developer Interview Questions & Answers | Complete Prep Guide 2025

Internshala Mern Full Stack Developer Interview Experiences

1 interview found

Mern Full Stack Developer Interview Questions & Answers

Anonymous

posted on 18 Aug 2024

Interview experience

Poor

Difficulty level

Hard

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Internshala and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test

It was about 15 minutes asked some question, 1.create a universal notification for your project , so that we can use anywhere, 2.Sorting and Searching 3.MongoDB Agreegration

Round 2 - HR

(1 Question)

Q1. Not yet done /complete .

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Interview Preparation Tips

Topics to prepare for Internshala Mern Full Stack Developer interview:

React.Js
Nodejs
MongoDB

Interview preparation tips for other job seekers - Please prepare fundamental ds means only data structure for full stack developer, no need to do hard problem, and algorithm

Interview questions from similar companies

Web Developer Interview Questions & Answers

Coding Ninjas

Anonymous

posted on 9 Jun 2023

Interview experience

Average

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

No response

I applied via Walk-in and was interviewed before Jun 2022. 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 Resume tips

Round 2 - Coding Test

Coding test of your skills and how well can you cope up with a problem given.

Round 3 - One-on-one

(3 Questions)

Q1. LAC of 3 nodes

Ans.

LAC stands for Location Area Code, a unique identifier for a group of cells in a mobile network.

LAC helps in identifying the location of a mobile device within a cellular network.
It is used for handover procedures when a device moves between different cells.
In a network with 3 nodes, each node would have a unique LAC assigned to it.

Answered by AI

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Q2. Reverse of the array

Ans.

Reverse the order of strings in an array

Use the reverse() method to reverse the array
Example: ['apple', 'banana', 'cherry'] -> ['cherry', 'banana', 'apple']

Answered by AI

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Q3. Sum or product asked

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Interview Preparation Tips

Interview preparation tips for other job seekers - be good at your skills that matters the most

Skills evaluated in this interview

Software Developer Interview Questions & Answers

Coding Ninjas

Anonymous

posted on 31 Oct 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Referral and was interviewed before Oct 2023. There were 3 interview rounds.

Round 1 - One-on-one

(2 Questions)

Q1. Find duplicates in an array

Ans.

Use a hash set to find duplicates in an array of strings.

Create a hash set to store unique elements.
Iterate through the array and check if the element is already in the hash set.
If it is, then it is a duplicate. If not, add it to the hash set.

Answered by AI

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Q2. Find single duplicate element in an array where contents of the array are length of array - 1

Ans.

Find the single duplicate element in an array of strings with length n-1.

Iterate through the array and use a HashSet to keep track of elements seen so far.
If an element is already in the HashSet, that is the duplicate element.
Return the duplicate element once found.

Answered by AI

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Round 2 - Assignment

Create a student support system

Round 3 - One-on-one