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Ness Digital Engineering Reactjs Developer Interview Questions and Answers

Updated 8 Feb 2024

Ness Digital Engineering Reactjs Developer Interview Experiences

1 interview found

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

I applied via Naukri.com and was interviewed in Jan 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Optimization of applciation
  • Ans. 

    Optimization of application involves improving performance and efficiency.

    • Identify and eliminate unnecessary re-renders by using React.memo or shouldComponentUpdate.

    • Use code splitting and lazy loading to reduce initial load time.

    • Optimize network requests by using caching and reducing unnecessary data transfers.

    • Minimize the use of expensive operations like deep object comparisons or complex calculations in render method...

  • Answered by AI
  • Q2. Time Complexity
Round 2 - One-on-one 

(2 Questions)

  • Q1. Other technology then React
  • Q2. Rate my self on a scale of 5 for other technologies
  • Ans. 

    I rate myself a 4 out of 5 in other technologies.

    • Proficient in HTML/CSS

    • Strong knowledge of JavaScript

    • Familiar with Node.js and Express.js

    • Experience with SQL and NoSQL databases

    • Basic understanding of Python

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Brush your basics

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. Basic react interview question like lifecycle methods and about hooks
  • Q2. Javascript interview questions like hoisting, closures, function currying and es6 features.
  • Q3. Function to flatten and sort an array
Round 2 - Behavioral 

(3 Questions)

  • Q1. Basic scrum related questions
  • Q2. Challenges faced
  • Q3. Function to find the occurrences of the word in a string
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Alternative way for prop drilling
  • Ans. 

    Context API or Redux can be used as alternative ways for prop drilling in React.

    • Use Context API to pass data down the component tree without having to manually pass props at every level.

    • Implement Redux to manage global state and access data from any component without prop drilling.

    • Consider using React's useContext hook with Context API for a simpler way to consume context in functional components.

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Asked four programs
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion

Skills evaluated in this interview

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

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

Round 1 - Technical 

(3 Questions)

  • Q1. Basic question from React JS, Redux, Javascript, HTML and CSS.
  • Q2. Core concept like difference between virtual dom and real dom.
  • Q3. What is Redux and flow of Redux. Difference between context api and Redux.
Round 2 - Technical 

(2 Questions)

  • Q1. Project related questions like what had you done in previous project.
  • Q2. Some scenarios based questions.
Round 3 - HR 

(1 Question)

  • Q1. General HR questions.
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
-
Result
Not Selected
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. About CI-CD , JS browser working ,
  • Q2. React basics like working and jsx

I applied via Naukri.com and was interviewed in Apr 2022. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. What is closures, Hoisting with example Semantic elements
  • Ans. 

    Closures and hoisting are important concepts in JavaScript.

    • Closures refer to the ability of a function to access variables in its outer scope even after the function has returned.

    • Hoisting is the behavior of moving variable and function declarations to the top of their respective scopes.

    • Example of closures: function outer() { let x = 10; function inner() { console.log(x); } return inner; } const innerFunc = outer(); inn...

  • Answered by AI
  • Q2. Chaining Methods Currying Call bind and apply Optimization of application Server side rendering
  • Q3. Selectors HTML 5 features

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview questions were basic javascript only. He didn't ask anything related to reactjs.
Practice for scope of variables inside and outside of functions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is conditional rendering in React? What are closures? OOPS concept in JavaScript. What is ACID in database? Stack vs Heap
  • Ans. 

    Conditional rendering in React allows components to render different elements or components based on certain conditions.

    • Conditional rendering is achieved using JavaScript expressions inside JSX.

    • Common conditional rendering techniques include using if statements, ternary operators, and logical && operator.

    • Example: rendering a component only if a certain condition is met - {condition ? : null}

  • Answered by AI
  • Q2. In react you can conditionally render component like when and which component to render by using if condition and other.

Skills evaluated in this interview

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

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

Round 1 - Coding Test 

React js and JavaScript scenarios based problems.

Interview Preparation Tips

Topics to prepare for TCS Reactjs Developer interview:
  • Javascript
  • React.Js
  • Redux
  • HTML
  • CSS

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 .

Ness Digital Engineering Interview FAQs

How many rounds are there in Ness Digital Engineering Reactjs Developer interview?
Ness Digital Engineering interview process usually has 2 rounds. The most common rounds in the Ness Digital Engineering interview process are Technical and One-on-one Round.
How to prepare for Ness Digital Engineering Reactjs 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 Ness Digital Engineering. The most common topics and skills that interviewers at Ness Digital Engineering expect are Flux, Javascript and Redux.
What are the top questions asked in Ness Digital Engineering Reactjs Developer interview?

Some of the top questions asked at the Ness Digital Engineering Reactjs Developer interview -

  1. Rate my self on a scale of 5 for other technolog...read more
  2. Optimization of applciat...read more
  3. Other technology then Re...read more

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Ness Digital Engineering Reactjs Developer Interview Process

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Excellent
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