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Infosys Reactjs Developer Interview Questions, Process, and Tips
Updated
13 Dec 2024
Top Infosys Reactjs Developer Interview Questions and Answers
- Q1. What are higher-order functions in JS
- Q2. presentation component vs functional component in React.js
- Q3. What is hoisting in JS
9 Infosys Reactjs Developer Interview Experiences
41 questions found
Sort by:
Popular
Anonymous
Interview experience
Good
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Recruitment Consulltant and was interviewed in Oct 2024.
2 Interview Rounds
1
Technical Round (5 Questions)
- Q1. Component lifecycle Add Answer
- Q2. What is DOM tree? View Answers (1)
- Q3. What is the difference between props and state? View Answers (1)
- Q4. What is redux and when to use it and when not to use it? View Answers (1)
- Q5. Two arrays passed to one function, then remove the elements passed from source array and present in another array View Answers (1)
2
Client Interview Round (5 Questions)
- Q1. What is DOM tree View Answers (1)
- Q2. What are lifecycle methods of react? How we can achieve same in functional components? View Answers (1)
- Q3. What is redux? Explain its architecture. View Answers (1)
- Q4. When do we use any in typescript? View Answers (1)
- Q5. What is the checklist for improving performance of React application? View Answers (1)
Interview experience
Average
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (5 Questions)
- Q1. Diff between state and props Add Answer
- Q2. Lifecycle method in functional component Add Answer
- Q3. Find unique element Add Answer
- Q4. Remove duplicate element Add Answer
- Q5. Explain clousure Add Answer
Get interview-ready with top interview questions
vamshi thatikonda
Interview experience
Good
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Technical Round (1 Question)
- Q1. What are closures in JS View Answers (1)
2
Technical Round (1 Question)
- Q1. Controlled and uncontrolled components Add Answer
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
-
I applied via Company Website and was interviewed in Oct 2023.
3 Interview Rounds
1
Technical Round (6 Questions)
- Q1. What are the benefits of React? View Answers (1)
- Q2. Difference between state and props? View Answers (1)
- Q3. What is useReducer and UseContext api? View Answers (1)
- Q4. What is one way data binding? View Answers (1)
- Q5. Tell me hooks you have used? View Answers (1)
- Q6. What is redux middleware View Answers (1)
2
Behavioral Round (2 Questions)
- Q1. Questions related to Projects Add Answer
- Q2. Git commands: How to commit ,merge code, how to resolve merge conflicts View Answers (1)
3
Coding Test Round
It's 10 multiple-choice question with low,medium, and difficult range levels.
Skills evaluated in this interview
Infosys interview questions for designations
Interview experience
Bad
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via Naukri.com and was interviewed before Dec 2023.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. What is the concept of redeclaration in JavaScript? View Answers (1)
- Q2. What are Promises? View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - Just prepare and pray😂
Interview experience
Good
Difficulty level
Moderate
Duration
-
Result
Not Selected
I applied via Company Website and was interviewed in Aug 2023.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. What is conditional rendering in React?
What are closures?
OOPS concept in JavaScript.
What is ACID in database?
Stack vs Heap View Answers (1)
- Q2. In react you can conditionally render component like when and which component to render by using if condition and other. Add Answer
Skills evaluated in this interview
Reactjs Developer Jobs at Infosys
I applied via Company Website and was interviewed in Nov 2022.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. Difference between var and let, difference between redux and flux View Answers (1)
- Q2. Output based questions on var and let. Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Go through the fundamentals of javaScript , var and let , promises, map,filter,reduce
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Mar 2022.
1 Interview Round
1
Technical Round (6 Questions)
- Q1. What is hoisting in JS View Answers (4)
- Q2. What are higher-order functions in JS View Answers (3)
- Q3. Difference between var, let, and const in JS View Answers (1)
- Q4. What are Hooks in React.js View Answers (2)
- Q5. Presentation component vs functional component in React.js View Answers (2)
- Q6. Bind(), call(), apply() in JS Add Answer
Interview Preparation Tips
Topics to prepare for Infosys Reactjs Developer interview:
- JavaSctipt
- React.Js
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Jun 2021.
1 Interview Round
Interview Questions
- Q1. What is hoisting ?
View Answers (1)
- Q2. What is useEffect ?
View Answers (1)
- Q3. What is function currying
View Answers (1)
- Q4. What is closures in js
View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - Only a single round which lasted for almost 30 min. It was relatively easy one with basic qns on javascript
Skills evaluated in this interview
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Interview questions from similar companies
Interview experience
Average
Difficulty level
Moderate
Duration
2-4 weeks
Result
No response
I applied via Recruitment Consulltant and was interviewed in Sep 2024.
1 Interview Round
1
Technical Round (16 Questions)
- Q1. What is hosting and closer View Answers (1)
- Q2. What is difference between var let and const give me an explanation on what block scope View Answers (1)
- Q3. What is asynchronous and how it works View Answers (1)
- Q4. Tell me the output 1)a = 20; console.log(a); var a; 2)b=10; console.log(b); let b; 3)let a =5; if(a<5){ let b = " a lessthen 5"; }else{ let b = "b is grater the...read more View Answers (1)
- Q5. Give a div with text and display center of the page and apply animation using HTML and css View Answers (1)
- Q6. What are semantic tags and explain View Answers (1)
- Q7. How can we write responsive for web page View Answers (1)
- Q8. What is the difference between CSS and SASS? what is the use of Sass View Answers (1)
- Q9. Event propagation Add Answer
- Q10. How would you validate the form using HTML? How do you validate the phone number with the country code? View Answers (1)
- Q11. Which test library you use why it usecase View Answers (1)
- Q12. Tell me mounting and shallow concept in testing library View Answers (1)
- Q13. What is redux-toolkit and what difference b/w redux and redux-toolkit View Answers (1)
- Q14. How api call handle in redux and how can you get and display user name from redux View Answers (1)
- Q15. React hooks and how optimization Add Answer
- Q16. Why we need thank in redux View Answers (1)
Skills evaluated in this interview
Infosys Interview FAQs
How many rounds are there in Infosys Reactjs Developer interview?
Infosys interview process usually has 1-2 rounds. The most common rounds in the Infosys interview process are Technical, Behavioral and Coding Test.
How to prepare for Infosys 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 Infosys. The most common topics and skills that interviewers at Infosys expect are React Native, Redux, React.Js, Javascript and SDLC.
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Interview Process at Infosys Reactjs Developer
based on 6 interviews in last 1 year
1 Interview rounds
- Technical Round
View more
Top Skills for Infosys Reactjs Developer
People are getting interviews through
based on 7 Infosys interviews
Company Website
Job Portal
43%
29%
28% candidates got the interview through other sources.
Moderate
Confidence
?
Moderate Confidence means the data is based on a sufficient number of responses received from the candidates
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Infosys Reactjs Developer Reviews and Ratings
based on 9 reviews
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