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Virtusa Consulting Services React Js Frontend Developer Interview Questions, Process, and Tips

Updated 8 Mar 2024

Virtusa Consulting Services React Js Frontend Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Technical 

(7 Questions)

  • Q1. Types of Promises
  • Ans. 

    Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.

    • Promises can be in one of three states: pending, fulfilled, or rejected.

    • Promises can be chained using .then() to handle success and .catch() to handle errors.

    • Promises can be created using the Promise constructor or by using async/await syntax.

  • Answered by AI
  • Q2. Difference between useState and useEffect
  • Ans. 

    useState is used to manage state in functional components, while useEffect is used to perform side effects in functional components.

    • useState is used to declare state variables in functional components.

    • useEffect is used to perform side effects in functional components, such as data fetching, subscriptions, or manually changing the DOM.

    • useState does not trigger re-renders, while useEffect can be used to trigger re-render...

  • Answered by AI
  • Q3. What is Callback hell
  • Ans. 

    Callback hell is a situation where multiple nested callbacks make the code difficult to read and maintain.

    • Occurs when multiple asynchronous operations are nested within each other

    • Leads to deeply nested code structure which is hard to understand

    • Can be avoided by using Promises, async/await, or modularizing code

  • Answered by AI
  • Q4. Difference between traditional function and arrow function
  • Ans. 

    Traditional functions are defined using the function keyword, while arrow functions are defined using a concise syntax with =>.

    • Traditional functions are hoisted, while arrow functions are not.

    • Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

    • Arrow functions are more concise and easier to read compared to traditional functions.

    • Traditional functions are better for methods in obje...

  • Answered by AI
  • Q5. Usecase to create counter in react
  • Ans. 

    Creating a counter in React to increment and decrement a value.

    • Create a state variable to store the count value

    • Use setState to update the count value

    • Render the count value in the component

    • Add buttons to increment and decrement the count value

  • Answered by AI
  • Q6. Program to find frequency of letters in a string
  • Ans. 

    Program to find frequency of letters in a string

    • Create an object to store the frequency of each letter

    • Loop through the string and increment the count of each letter in the object

    • Convert the object into an array of strings with letter and frequency pairs

  • Answered by AI
  • Q7. Program to find if substring is present in a given string without using predefined functions
  • Ans. 

    Iterate through the given string to check if the substring is present.

    • Iterate through the given string and check if each character matches the first character of the substring.

    • If a match is found, check the subsequent characters to see if they form the substring.

    • Return true if the entire substring is found within the given string, otherwise return false.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed before Sep 2016.

Interview Preparation Tips

Round: Group Discussion
Experience: Interview was scheduled in Grab Job consultancy. In that, a class room, where we all asked to sit and interviewer was sitting in front and asked to speak one by one on the topic traffic situation in Hyderabad.
Tips: Just speak once two to three lines. Don't rush to speak. Take ur time and don't try speak repeatedly.
Duration: 35 minutes

Round: Technical Interview
Experience: System based test. Easy question from java , c, data structure.

Round: HR Interview
Experience: Not held because already we got too late.

Skills: Proficiency In English, Basic Coding
College Name: Medak College of engineering

I was interviewed in Mar 2017.

Interview Questionnaire 

5 Questions

  • Q1. Oops concepts in Java?
  • Ans. 

    Oops concepts in Java

    • Encapsulation - hiding implementation details

    • Inheritance - reusing code and creating parent-child relationships

    • Polymorphism - multiple forms of a method or object

    • Abstraction - creating abstract classes and interfaces

    • Example: Encapsulation - using private variables and public methods

    • Example: Inheritance - creating a subclass that inherits from a superclass

    • Example: Polymorphism - using method overloa...

  • Answered by AI
  • Q2. Altering columns in Databases?
  • Ans. 

    Altering columns in databases involves modifying the structure of a table by adding, deleting or modifying columns.

    • Use ALTER TABLE statement to modify columns

    • Add new columns using ADD COLUMN

    • Delete columns using DROP COLUMN

    • Modify columns using MODIFY COLUMN

    • Changing column data type may result in data loss

  • Answered by AI
  • Q3. Asked some queries in SQL
  • Q4. Reversing a number in java?
  • Ans. 

    Reversing a number in Java

    • Convert the number to a string

    • Use StringBuilder to reverse the string

    • Convert the reversed string back to a number

  • Answered by AI
  • Q5. Extracting words from a line in java?
  • Ans. 

    To extract words from a line in Java, split the line using whitespace as delimiter.

    • Use the split() method of String class

    • Pass the whitespace regex as argument to split() method

    • Iterate over the resulting array to get individual words

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: Started with the question "Tell me about yourself". Asked me about Core Java. Asked to solve some questions related to Java and SQL.
Tips: Be prepared with high knowledge in Java, Data Structures and SQL.

Skills: Java Programming, Data Strrutures, SQL
College Name: IIITDM Jabalpur

Skills evaluated in this interview

Software Developer Interview Questions & Answers

Capgemini user image Dwarkesh Maheshwari

posted on 23 Sep 2017

I was interviewed in Sep 2017.

Interview Questionnaire 

1 Question

  • Q1. Basic c questions and sorting Then about projects

Interview Preparation Tips

Round: Test
Experience: Basic apti questions
But reasoning was tricky
Tips: Don't waste time
Duration: 1 hour
Total Questions: 32

Round: Technical test
Experience: Basic c question
SQL questions
Tips: Must have deep knowledge in c

Round: Technical Interview
Experience: Briefly explain my project and then successfully answerd questions asked
Tips: Complete knowledge of your project

College Name: KIET

Interview Questionnaire 

1 Question

  • Q1. What is the advantage of generic collection, when and why we should approach for that?
  • Ans. 

    Generic collections provide type safety and reusability in software development.

    • Generic collections allow us to store and manipulate objects of any type in a type-safe manner.

    • They provide compile-time type checking, reducing the chances of runtime errors.

    • They promote code reusability by allowing the same collection to be used with different types.

    • Generic collections improve performance by eliminating the need for boxin...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: It was and off campus drive, first round was written test on computer as MCQ.
Aptitude, reasoning, English and programming sudo codes.
60 questions 90 minutes.
Duration: 2 hours 30 minutes
Total Questions: 60

Round: Group Discussion
Experience: It was a very interesting round, we were given sufficient time to think about topic.
First we were asked to speak individually on the topic ,later panel member asked is to make same topic as debate.
Tips: Don't sit silent, if you are not getting a chance to speak, you can interrupt to the people and seek a chance to put your point.
Duration: 30 minutes

Round: Technical + HR Interview
Tips: Be confident and tell the exact you know, don't try make customised concepts.
Try to drag interviewer towards the fields of your strength.

I was interviewed before Jun 2016.

Interview Questionnaire 

4 Questions

  • Q1. Tell me something about yourself
  • Ans. 

    I am a passionate software developer with 5 years of experience in web development and a strong background in computer science.

    • 5 years of experience in web development

    • Strong background in computer science

    • Passionate about software development

  • Answered by AI
  • Q2. Questions related to project I have worked on during college days
  • Q3. Core Java concepts
  • Q4. Why do you use two mobile numbers
  • Ans. 

    To separate personal and professional calls, and to ensure availability and accessibility.

    • Separate personal and professional calls

    • Ensure availability and accessibility

    • Maintain work-life balance

    • Avoid mixing personal and work-related contacts

  • Answered by AI

Interview Preparation Tips

Round: Test
Total Questions: 60

College Name: Watumull Institute Of Electronics Engineering And Computer Technology ( WIEECT )

I was interviewed in Jul 2017.

Interview Questionnaire 

1 Question

  • Q1. Android basics and programs

Interview Preparation Tips

Round: Resume Shortlist
Experience: Resume shortlisted on the basis of 60% through out and experience in development more than 6 months.

Round: Technical Interview
Experience: Core java.. String, oops, exception,

Round: HR Interview
Experience: As usual.. tell me about your self.expectations and salary discussion.
Tips: Be confident whatever you say.

I was interviewed in Apr 2017.

Interview Questionnaire 

2 Questions

  • Q1. What is firmware and where it is used?
  • Ans. 

    Firmware is a type of software that is embedded in hardware devices to control their functionality.

    • Firmware is a combination of hardware and software.

    • It is used to control the behavior of hardware devices.

    • Firmware is typically stored in non-volatile memory, such as ROM or flash memory.

    • Examples of devices that use firmware include routers, printers, and digital cameras.

  • Answered by AI
  • Q2. Tell me about yourself only.
  • Ans. 

    I am a passionate software developer with experience in building web applications and solving complex problems.

    • Experienced in programming languages such as Java, JavaScript, and Python

    • Familiar with front-end technologies like HTML, CSS, and React

    • Strong problem-solving skills and ability to work in a team environment

    • Previous projects include developing a customer management system for a small business

  • Answered by AI

Interview Preparation Tips

Round: aptitude
Experience: the test had around 70 questions to be answered in 1 hour
Tips: keep watch on time and be quick enough because each sections has sectional cutoff.

Round: Technical Interview
Experience: the test had around 70 questions to be answered in 1 hour
Tips: keep watch on time and be quick enough because each sections has sectional cutoff.

Round: HR Interview
Experience: they tested my core knowledge and learning skill.
Tips: be strong in your basics.

Skills: Ability To Think Beyond Boundaries
College Name: mnm jec

Skills evaluated in this interview

I was interviewed before May 2016.

Interview Questionnaire 

3 Questions

  • Q1. Tell me about your mini project
  • Ans. 

    Developed a web application for tracking personal expenses

    • Used HTML, CSS, and JavaScript for front-end development

    • Implemented Node.js and MongoDB for back-end functionality

    • Included features for adding, categorizing, and analyzing expenses

  • Answered by AI
  • Q2. Tell me about your team work other than project.
  • Ans. 

    I actively participate in team building activities and collaborate with colleagues on various initiatives outside of work projects.

    • Organizing team lunches or outings to build camaraderie

    • Participating in charity events or volunteer work as a team

    • Collaborating on internal initiatives such as diversity and inclusion programs

    • Attending industry conferences or workshops together

  • Answered by AI
  • Q3. How will you convince your client if you are not able deliver the project on time.
  • Ans. 

    I will explain the reasons for the delay and present a plan to mitigate it.

    • Communicate the reasons for the delay clearly and honestly

    • Present a plan to mitigate the delay and ensure timely delivery

    • Provide regular updates on the progress of the project

    • Offer alternative solutions or compromises if necessary

    • Ensure that the client understands the impact of the delay on the project

    • Maintain a professional and respectful attit

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Questions will be from aptitude and vocabulary
Duration: 1 hour
Total Questions: 60

Interview Questionnaire 

1 Question

  • Q1. Totally HR basic questions

Interview Preparation Tips

Round: Test
Experience: Quant LR verbal IQ
Duration: 1 hour

Round: HR Interview
Experience: Related to personal life and activities with achievements etc.

College Name: Tsec

Virtusa Consulting Services Interview FAQs

How many rounds are there in Virtusa Consulting Services React Js Frontend Developer interview?
Virtusa Consulting Services interview process usually has 1 rounds. The most common rounds in the Virtusa Consulting Services interview process are Technical.
How to prepare for Virtusa Consulting Services React Js Frontend 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 Virtusa Consulting Services. The most common topics and skills that interviewers at Virtusa Consulting Services expect are CSS, HTML, Javascript, React.Js and Redux.
What are the top questions asked in Virtusa Consulting Services React Js Frontend Developer interview?

Some of the top questions asked at the Virtusa Consulting Services React Js Frontend Developer interview -

  1. Program to find if substring is present in a given string without using predefi...read more
  2. Difference between traditional function and arrow funct...read more
  3. Program to find frequency of letters in a str...read more

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Virtusa Consulting Services React Js Frontend Developer Interview Process

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