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CommVault Full Stack Developer Interview Questions and Answers

Updated 19 Nov 2021

CommVault Full Stack Developer Interview Experiences

1 interview found

I was interviewed in Aug 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Medium

It was a mcq+coding round. There were 2 coding questions of medium difficulty. It was around 3 P.M.

  • Q1. 

    Count Substrings with K Distinct Characters

    Given a lowercase string 'STR' and an integer K, the task is to count all possible substrings that consist of exactly K distinct characters. These substrings ar...

  • Q2. 

    Collect Maximum Coins from Matrix

    You are provided with a matrix consisting of 'M' rows and 'N' columns. Each cell in this matrix either contains a coin or is empty.

    Your task is to collect the maximum n...

Round 2 - Video Call 

(1 Question)

Round duration - 90 minutes
Round difficulty - Hard

It was held after the debugging round at around 1 PM. The interviewer briefed me about the problem and then asked me to code in visual studio code.

  • Q1. 

    Optimize Memory Usage Problem Statement

    Alex wants to maximize the use of 'K' memory spaces on his computer. He has 'N' different document downloads, each with unique memory usage, and 'M' computer games,...

Round 3 - Video Call 

Round duration - 45 minutes
Round difficulty - Hard

It was immediately after the second interview round. Total 6 students were shortlisted from various colleges for this round. It was at around 4 PM. There were 2 interviewers and asked questions from OS, DBMS, DS and project related questions from resume.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Bhagwan Parshuram Institute of Technology. I applied for the job as Fullstack Developer in DelhiEligibility criteriaNo backlogs were allowedCommvault interview preparation:Topics to prepare for the interview - Python (as a language for data structures), Data structures, Operating system, Computer networking, Database management systemTime required to prepare for the interview - 1.5 monthsInterview preparation tips for other job seekers

Tip 1 : Only mention those things in resume that you know very well
Tip 2 : Core subjects are very important for commvault
Tip 3 : Concept of usage of data structures should be clear

Application resume tips for other job seekers

Tip 1 : Do not mention anything in resume that you are not sure about. Keep it simple
Tip 2 : You can add achievements other than technical also.

Final outcome of the interviewRejected

Interview questions from similar companies

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

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

Round 1 - Technical 

(1 Question)

  • Q1. Start introducing yourself
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Sep 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. They ask me to write a code. What is normalization What is Generics

I applied via Naukri.com and was interviewed in Aug 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Javascript - Conceptual questions, What is hoisting (and when to use it), closure (when to use), Design patterns (monolithic vs microservices)

Interview Preparation Tips

Interview preparation tips for other job seekers - If you have 2+ year of experience in Javascript/SQL it's not tough to crack the 1st/2nd round of interview. Go through the basic concepts of language and be ready to answer like why, when , how to use any concept.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic DSA questions, best time to buy and sell stock and its variation

Round 2 - Technical 

(2 Questions)

  • Q1. Basic nosql vs sql questions
  • Q2. Designing system for google playstore
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Referral

Round 1 - Coding Test 

Java internals, coding questions 2sum

Round 2 - Technical 

(2 Questions)

  • Q1. Hld of your previous project
  • Ans. 

    Developed a web-based project management tool for tracking tasks and deadlines.

    • Used React.js for front-end development

    • Implemented RESTful APIs for backend using Node.js and Express

    • Utilized MongoDB for database storage

    • Incorporated authentication and authorization features for user security

  • Answered by AI
  • Q2. Question related to self build projects
Round 3 - HR 

(2 Questions)

  • Q1. Salary negotiation
  • Q2. Location constrain if any
  • Ans. 

    Open to relocation for the right opportunity

    • Willing to relocate for the right job opportunity

    • Flexible with location for the right role

    • Open to considering different locations for the right position

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

(1 Question)

  • Q1. Tell me about yourself, availability, visa-related questions
Round 2 - Coding Test 

Dynamic programming questions, longg time to complete the 2 questions

Round 3 - Group Discussion 

Problem solving : a clock with 3 hands, no numbers written, guess what it is

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Tell me about your self
  • Ans. 

    I am a passionate software developer with 5 years of experience in building web applications using various technologies.

    • 5 years of experience in software development

    • Proficient in building web applications

    • Skilled in using various technologies

  • Answered by AI
  • Q2. Resume discussion
Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Aug 2023. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Are you open for Relocation
Round 2 - Technical 

(3 Questions)

  • Q1. What is TCP and IP
  • Ans. 

    TCP (Transmission Control Protocol) and IP (Internet Protocol) are the foundational protocols of the internet.

    • TCP is responsible for establishing and maintaining a reliable connection between two devices.

    • IP is responsible for routing and addressing packets of data across networks.

    • TCP/IP together form the basis of internet communication.

    • Example: When you visit a website, TCP ensures the data packets are delivered in the...

  • Answered by AI
  • Q2. What is polymorphism
  • Ans. 

    Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.

    • Polymorphism is a fundamental concept in object-oriented programming.

    • It allows for code reusability and flexibility.

    • Polymorphism can be achieved through method overriding and method overloading.

    • Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They c...

  • Answered by AI
  • Q3. What is abstract class
  • Ans. 

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

    • An abstract class can have abstract methods that must be implemented by its subclasses.

    • It can also have non-abstract methods that can be inherited by its subclasses.

    • An abstract class provides a common interface for its subclasses.

    • It is used to achieve abstraction and provide a blueprint for other classes.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for insightsoftware Software Developer interview:
  • C++
  • Object Oriented Programming
Interview preparation tips for other job seekers - Know your basics from school like polymorphism, etc

Skills evaluated in this interview

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

(1 Question)

  • Q1. Core java, spring boot

CommVault Interview FAQs

How to prepare for CommVault Full Stack Developer 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 CommVault. The most common topics and skills that interviewers at CommVault expect are .NET Framework, .Net Core, MS SQL Server, MSMQ and MVC.

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