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Vanilla Networks Reactjs Developer Interview Questions and Answers

Updated 22 Dec 2024

Vanilla Networks Reactjs Developer Interview Experiences

4 interviews found

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
No response

I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.

Round 1 - MCQ Online 

(1 Question)

  • Q1. Get your foundations right in React.
  • Ans. 

    Having strong foundations in React involves understanding key concepts like components, state, props, and lifecycle methods.

    • Understand the concept of components and how they work in React

    • Learn about state and props and how they are used to manage data and pass information between components

    • Familiarize yourself with React's lifecycle methods and how they allow you to perform actions at different stages of a component's

  • Answered by AI
Round 2 - One-on-one 

(1 Question)

  • Q1. Coding test, HR based and Aptitude.
Round 3 - Coding Test 

Basic questions asked

Interview Preparation Tips

Interview preparation tips for other job seekers - Get your basics right in JS, React.

Skills evaluated in this interview

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

A nearly two-hour online MCQ test that includes coding on a notepad, situational questions, English proficiency, and standard concept-based MCQs.

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Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in May 2023. There were 4 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Initial technical question related to React JS.
  • Q2. Codes where given and i had to guess the outcome.
Round 3 - Coding Test 

The link was shared and there where a mix of questions, From all sorts of fields to make a profile about candidate.

Round 4 - One-on-one 

(1 Question)

  • Q1. One developer from the company asked a few question over the call.

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep the basics strong

Reactjs Developer Interview Questions & Answers

user image Shailesh Joshi

posted on 15 Jan 2024

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

I cleared coding test consist of 20 mcq related to ReactJs

Round 2 - Technical 

(1 Question)

  • Q1. After clearing the first round, I received an email stating,”We will contact you by phone to arrange an interview”, but they never called.

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

I applied via Naukri.com and was interviewed in Dec 2022. There were 2 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 tips
Round 2 - Technical 

(4 Questions)

  • Q1. Some of important javascript questions
  • Q2. On react js like hooks, virtual dom,html5 and html,state, useMemo, useCallback,useEffect
  • Q3. Box model, css selector
  • Q4. What are fragments in react js
  • Ans. 

    Fragments in React.js are used to group multiple elements without adding an extra node to the DOM.

    • Fragments are a way to group multiple elements without using a wrapper element.

    • They help in avoiding unnecessary divs in the DOM.

    • Fragments can improve performance by reducing the number of DOM nodes.

    • They are useful when returning multiple elements from a component's render method.

    • Fragments can be written using the

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - just prepare basic of front end technology like html,css,javascript,es6

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

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

Round 1 - Technical 

(3 Questions)

  • Q1. What are the advantages of React
  • Ans. 

    React offers advantages such as virtual DOM for improved performance, reusable components, and easy integration with other libraries.

    • Virtual DOM for efficient updates and improved performance

    • Reusable components for easier development and maintenance

    • Easy integration with other libraries like Redux for state management

    • Support for server-side rendering for better SEO performance

  • Answered by AI
  • Q2. How the performance optimization can be done in React Js Application
  • Ans. 

    Performance optimization in React Js can be achieved through code splitting, memoization, virtualization, and minimizing re-renders.

    • Implement code splitting to load only necessary components when needed

    • Use memoization techniques like useMemo and useCallback to prevent unnecessary re-renders

    • Implement virtualization for long lists or tables to render only visible items

    • Minimize re-renders by using shouldComponentUpdate or

  • Answered by AI
  • Q3. What is the purpose of useMemo and UseCallBack hook
  • Ans. 

    useMemo and useCallback are hooks in React used for optimizing performance by memoizing values and functions respectively.

    • useMemo is used to memoize the result of a function so that it is only recomputed when its dependencies change.

    • useCallback is used to memoize a function instance so that it is not recreated on every render unless its dependencies change.

    • Both hooks help in optimizing performance by preventing unneces...

  • Answered by AI

Skills evaluated in this interview

Reactjs Developer Interview Questions & Answers

TCS user image Samiksha Sajane

posted on 31 Jul 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. Explain useSelector
  • Ans. 

    useSelector is a hook provided by React-Redux for accessing the Redux store state in functional components.

    • Allows functional components to access the Redux store state without connecting to the store

    • Accepts a selector function as an argument to specify which part of the state to extract

    • Automatically subscribes to the Redux store updates and re-renders the component when the selected state changes

  • Answered by AI
  • Q2. Optimization in react
  • Ans. 

    Optimization in React involves improving performance and efficiency of the application.

    • Use shouldComponentUpdate or PureComponent to prevent unnecessary re-renders

    • Avoid using inline functions in render method to prevent re-renders

    • Use keys in lists to help React identify which items have changed

    • Splitting components into smaller ones can improve performance

    • Use React.memo for functional components to memoize the result

  • Answered by AI
  • Q3. What is JSX in react
  • Ans. 

    JSX is a syntax extension for JavaScript used in React to write HTML-like code within JavaScript.

    • JSX allows developers to write HTML-like code directly in their JavaScript files

    • It makes the code more readable and easier to understand

    • JSX gets transpiled into regular JavaScript by tools like Babel before being rendered by the browser

  • Answered by AI
  • Q4. Explain redux flow in react
  • Ans. 

    Redux flow in React involves actions, reducers, store, and components to manage state in a centralized manner.

    • Actions are dispatched to describe what happened in the application.

    • Reducers specify how the state changes in response to actions.

    • Store holds the state of the application.

    • Components can connect to the store to access and update the state.

  • Answered by AI
  • Q5. Stateful and stateless components

Skills evaluated in this interview

Reactjs Developer Interview Questions & Answers

TCS user image Snehasis Chakraborty

posted on 7 Aug 2024

Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Brief about project
  • Ans. 

    Developed a web application for managing inventory and sales

    • Used Reactjs for front-end development

    • Implemented Redux for state management

    • Integrated with backend APIs using Axios

    • Designed responsive UI for better user experience

  • Answered by AI
  • Q2. Asked me about graph ql
  • Q3. Asked topic on routing .

Interview Preparation Tips

Interview preparation tips for other job seekers - please discuss the salary prior to giving interview .
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Difference between if else and ternary
  • Ans. 

    Ternary operator is a shorthand for if else statement in JavaScript.

    • Ternary operator is written as condition ? expression1 : expression2

    • If the condition is true, expression1 is executed, else expression2 is executed

    • Ternary operator is more concise and can be used inline in JSX

  • Answered by AI
  • Q2. Class and functional components
Round 2 - Behavioral 

(2 Questions)

  • Q1. About my projects
  • Q2. About strenghts and weeknesses
Round 3 - HR 

(2 Questions)

  • Q1. About my experience
  • Q2. Salary discussions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Questions related to Current Job Profile and previous experience

Vanilla Networks Interview FAQs

How many rounds are there in Vanilla Networks Reactjs Developer interview?
Vanilla Networks interview process usually has 2-3 rounds. The most common rounds in the Vanilla Networks interview process are Coding Test, Technical and One-on-one Round.
What are the top questions asked in Vanilla Networks Reactjs Developer interview?

Some of the top questions asked at the Vanilla Networks Reactjs Developer interview -

  1. Get your foundations right in Rea...read more
  2. One developer from the company asked a few question over the ca...read more
  3. Codes where given and i had to guess the outco...read more

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Vanilla Networks Reactjs Developer Interview Process

based on 5 interviews

Interview experience

3.8
  
Good
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