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Carwale Mern Full Stack Developer Interview Questions and Answers

Updated 13 Jul 2023

Carwale Mern Full Stack Developer Interview Experiences

1 interview found

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

I applied via Campus Placement and was interviewed in Jun 2023. There were 4 interview rounds.

Round 1 - Coding Test 

4 questions :- 3 were string based and one DP
1. characters and it's frequency were given in key value format in a string, print the total frequency of each character in lexicographical order.
2. Minimum Jump to reach end of the array(search Jump game from leetcode)
3. Partion the given string into 2 parts such that both parts are present in list of words provided. Print all the ways of partitioning.

Round 2 - Technical 

(2 Questions)

  • Q1. 1.Find next greater element for each element in the given array of integers
  • Ans. 

    Use stack to find next greater element for each element in the array

    • Create an empty stack to store indices of elements

    • Iterate through the array and for each element, pop elements from stack until finding a greater element

    • Store the next greater element in a result array

  • Answered by AI
  • Q2. 2.In an array, find triplets such that their sum is 0.
  • Ans. 

    Use three pointers to find triplets with sum 0 in an array.

    • Sort the array first to easily find triplets.

    • Use three pointers - one fixed, one moving from left, one moving from right.

    • Check if the sum of the three pointers is 0, if not adjust pointers accordingly.

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. Questions regarding projects and system design questions.
Round 4 - HR 

(1 Question)

  • Q1. Family background, questions about project, work preferences etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with the project and technology used, prepare well for system design rounds and keep explaining the approach verbally.

Skills evaluated in this interview

Interview questions from similar companies

Interview Preparation Tips

Round: Test
Experience: The written test did NOT involve general aptitude questions. Most questions were CS specific and pertained to some kind of algorithmic analysis, design of recursive solutions, designing and tracing out an algorithm on a given sample etc. About 50-60% of the candidates were eliminated in this round.

Round: Test
Experience: The next round was a coding assignment. For those familiar with code-chef, the coding assignment was similar to a medium level problem (in the practice section) and had to be done in C. The codingassignment by design, required algorithmic optimization to execute within the prescribed time limit. About 10 candidates (8 UG and 2 PG) were selected for interviews. Yahoo generally conducts 4 technical interviews and an HR interview. Typically, 2 of the 4 tech interviews will be with immediate seniors in teams that are interested in your profile. The remaining two will be with more senior engineers (in fact, one of my interviews was with the tech director of a vertical at Yahoo). Interviewers discuss with each other after each interview, and some candidates were eliminated after one poor interview. It is therefore quite important to do

General Tips: Apart from technical skills, your communication and social skills are what can make or break an interview and eventually, decide whether or not you get the job. Objectively speaking, most candidates who make it to the final round will be very technically proficient. Therefore, your aim should be to make the decision regarding your candidature anything BUT objective. The real advantage of an interview is to let the interviewer know YOU, beyond just your written test score or your academic credentials. Interviewers like confidence in a candidate and it can even make you seem better than you really are. It will also help to have a few well thought out questions in mind for your interviewer, to show him that you have put in more effort than other candidates to find out about the kind of work going on at the company. One thing youcan do is to find out who all the interviewers are during the pre-placement talk (Yes, attending the PPT CAN BE USEFUL). General Tips Preparation Look up their LinkedIn profiles and note what projects they have worked on or guided. Asking a few insightful questions about those specific projects is a good way to create a good impression of you. It is very difficult to truly judge a candidate during a 45 minute interview, so what matters a lot is the impression left in the interviewers mind about you. If possible, try to establish a social connect during your limited interaction with the interviewers, BEFORE the interviews take place. For example, one of my interviewers, a senior tech manager at Yahoo, was an NITK alumnus. Before the interviews, I spoke to him about his experience in college. As it turns out, he was one of the founders of the web club at NITK, of which I am a member. We spoke for about 15 minutes about how the club has grown and how the club has helped its members ever since.
Skill Tips: For a computer science student who intends to take up a technical job at a tier 1 company, spend as much time as possible, honing your technical skills. Start well before placement season, if possible, in 3rd year itself
College Name: NIT SURATHKAL

I was interviewed before Feb 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

It comprised of general aptitude questions and two coding questions. It was an offline test.

  • Q1. 

    N Queens Problem

    Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.

    Explanation:

    A queen can attack another queen if they ar...

  • Ans. 

    The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard where no two queens threaten each other.

    • Use backtracking algorithm to explore all possible configurations.

    • Keep track of rows, columns, and diagonals to ensure queens do not attack each other.

    • Generate and print valid configurations where queens are placed safely.

    • Consider constraints and time limit for efficient solution.

    • Exam...

  • Answered by AI
  • Q2. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an integer array containing only 0s, 1s, and 2s in linear time complexity.

    • Use three pointers to keep track of the positions of 0s, 1s, and 2s in the array.

    • Iterate through the array and swap elements based on the values encountered.

    • Achieve sorting in a single scan over the array without using any extra space.

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

After having a technical discussion about my CV. He gave me two questions to code.

  • Q1. 

    Ninja and Substrings Problem Statement

    Ninja has to determine all the distinct substrings of size two that can be formed from a given string 'STR' comprising only lowercase alphabetic characters. These su...

  • Ans. 

    Find all unique contiguous substrings of size two from a given string.

    • Iterate through the string and extract substrings of size two

    • Use a set to store unique substrings

    • Return the set as an array of strings

  • Answered by AI
  • Q2. 

    Cycle Detection in a Singly Linked List

    Determine if a given singly linked list of integers forms a cycle or not.

    A cycle in a linked list occurs when a node's next points back to a previous node in the ...

  • Ans. 

    Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.

    • Traverse the linked list using two pointers, one moving one step at a time and the other moving two steps at a time.

    • If the two pointers meet at any point, there is a cycle in the linked list.

    • If one of the pointers reaches the end of the list (null), there is no cycle.

  • Answered by AI
Round 3 - HR 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

This was supposed to be the HR round but out of surprise the interviewer started by giving me a question to code. 
After I approached this question with the right solution he just asked about my family. After that he said to wait. After half an hour the results were announced. A total of three students were hired and I was amongst one of them.

  • Q1. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use recursion to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Return the valid combinations as an array of strings.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMagicbricks interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
-
Result
Not Selected

I applied via Walk-in and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Was bit tough and need to concentrate on work time

Round 2 - Coding Test 

Was about coding in any language such as Java python

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jun 2022. There were 3 interview rounds.

Round 1 - Coding Test 

Consists of 5 questions of DSA
1 Knapsack, 1 bitwise, 1 string , 1 basic mathematics, 1 dynamic programming

Round 2 - Technical 

(1 Question)

  • Q1. Based on Coding question and dbms and question based on resume.
Round 3 - Technical 

(1 Question)

  • Q1. Recursive approach for printing prime number It was taken by CTO of company

Interview Preparation Tips

Topics to prepare for Zolo Software Developer interview:
  • Data Structures
  • DBMS
  • OS
Interview preparation tips for other job seekers - Overall interview is easy and supportive you will get a lot of time to think your approach and explain your approach

Interview Questionnaire 

2 Questions

  • Q1. About sdlc
  • Q2. About web development
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
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 

(1 Question)

  • Q1. Launch modes on android
  • Ans. 

    Launch modes on Android determine how a new instance of an activity is associated with the current task.

    • Standard: Creates a new instance of the activity in the task's stack

    • SingleTop: If an instance of the activity already exists at the top of the stack, it will not be recreated

    • SingleTask: Activity is always at the root of the task and no other activities can be on top of it

    • SingleInstance: Similar to SingleTask, but the

  • Answered by AI
Round 3 - Case Study 

Questios based on Activity backstacks

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Hard
Process Duration
More than 8 weeks
Result
Not Selected

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

Round 1 - Aptitude Test 

Basic aptitude with tracing program

Round 2 - Coding Test 

3 problem with easy to hard

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
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 - Aptitude Test 

I haven't appeared but this website asking me everytime that's why giving review but I wanted to know what are the ratings for this company

Round 3 - Technical 

(2 Questions)

  • Q1. I haven't appeared but ratings it
  • Q2. Why you choose uplers

Interview Preparation Tips

Interview preparation tips for other job seekers - Know the procedure before going to assessment, learn all the things before assessment
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Aptitude Test 

General aptitude focused on mathematics.

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Carwale Interview FAQs

How many rounds are there in Carwale Mern Full Stack Developer interview?
Carwale interview process usually has 5 rounds. The most common rounds in the Carwale interview process are Technical, Resume Shortlist and Coding Test.
What are the top questions asked in Carwale Mern Full Stack Developer interview?

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

  1. 1.Find next greater element for each element in the given array of integ...read more
  2. 2.In an array, find triplets such that their sum is...read more
  3. Questions regarding projects and system design questio...read more

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Carwale Mern Full Stack Developer Interview Process

based on 1 interview

Interview experience

4
  
Good
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