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ValueLabs

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ValueLabs React Developer Interview Questions, Process, and Tips

Updated 19 Apr 2021

1 ValueLabs React Developer Interview Experience

7 questions found

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React Developer Interview Questions

Anonymous

posted on 18 Apr 2021

I applied via Naukri.com and was interviewed in Mar 2021.

1 Interview Round

Interview Questions

Q1. How do you connect a component to Redux store? Which function in Redux is used to connect to store? What are the parameters in connect? View Answers (2)
Q2. What is Context API in React? Is there a need to have an initial state in Context API? View Answers (2)
Q3. Do Reducer need to have an initial state compulsorily? View Answers (1)
Q4. What is the minimum coverage for an app? How much code do you push to production/master branch while deployment? View Answers (1)
Q5. Will React re-render whole page or just a part of it? View Answers (2)
Q6. What are the use cases of Service Workers? View Answers (1)
Q7. Explain Redux-Saga middleware. How do you Dispatch actions from components in Redux? View Answers (1)

Interview Preparation Tips

Interview preparation tips for other job seekers - Appeared for the First Round Technical Interview. Video call. Interviewer was a nice person. You can clear this round if your concepts are clear about react, Redux, Middleware or other keywords mentioned in your resume.

Skills evaluated in this interview

Top trending discussions

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I’m 27, I’m looking for Career transition

Hello ,I hold bachelor degree in mechanical engineering 2019. With 4.5 yoe in Total 1)Associate product compliance engineer - 1.5 years 2)Currently working as Project engineer (compliance). 3 years I see no growth in my current company and current role.so I’m looking for career shift,high growth and good package. Skills 1) Environmental compliance(REACH,ROHS,..) 2)Basic networking OS,Linux basic, Aws cloud 3) SAP MM (in progress) 4) Project Management (self preparation from PMBOk) I’m confused between sap mm consultant and project management I’m getting difficult to choose,Which would be great choice according to my background and high pay, stable job Can anybody recommend which domain /role is good for career transition! I’m looking for career shift Help will be appreciated. Current role Project engineer handling projects related to environmental compliance. FYI

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Interview questions from similar companies

React Developer Interview Questions

Wissen Infotech

Anonymous

posted on 16 Sep 2022

I applied via Naukri.com and was interviewed in Aug 2022.

3 Interview Rounds

Coding Test Round

There was a test with JS and React MCQs. Plus subjective questions which are these.
1. Write a function that keep track of how many times it is called
2. What are Sass, Less, Postcss and Stylus? Why do people use them?
3. What is CSS flexbox? Explain with a simple example.
4. What is the difference between RequireJS, CommonJS and AMD Loaders?
5. Write a function that flattens an array of nested arrays into a single array.
6. What is Callback Hell? How do you avoid it?

Technical Round (2 Questions)

Q1. What is React? Why do we use it? Make a form with 3 different child components and pass props from the parent. There should be Select box, an Input field and a ...read more
View Answers (2)
Q2. What is Virtual DOM?
View Answers (1)

Technical Round (1 Question)

Q1. Questions about project, experience etc.
Add Answer

Interview Preparation Tips

Interview preparation tips for other job seekers - I'd say avoid this company. The interviewers are egoistic and rigid.

Skills evaluated in this interview

React Developer Interview Questions

Cybage

CodingNinjas

posted on 21 Mar 2022

I was interviewed in Sep 2021.

3 Interview Rounds

Video Call Round (7 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a preety intense round revolving mainly around the core concepts of JavaScript . I was confident about my skills in JavaScript as I already had some projects in JS and I also completed the Guided Path of JS in CodeStudio which boosted my preparation and helped me crack these Frontend Interviews.

Q1. Javascript Question
Explain promises and it's 3 states .

View Answers (1)
Q2. Javascript Question
What are callbacks?

View Answers (1)
Q3. Javascript Question
Explain Hoisting in javascript.

View Answers (1)
Q4. Javascript Question
What are closures

View Answers (1)
Q5. Javascript Question
What is a higher order function

View Answers (1)
Q6. Sort Array You are given an array consisting of 'N' positive integers where each integer is either 0 or 1 or 2. Your task is to sort the given array in ...read more
View Answers (3)
Q7. Swap Two Numbers Take two numbers as input and swap them and print the swapped values. Input Format: The first line of input contains a single integer 't...read more
View Answers (3)

Video Call Round (8 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

In this round, I was asked questions from React and Redux. Since I already had prior experience in working with React and Redux , I answered most of the questions correctly and was preety much confident about passing this round.

Q1. ReactJS Question
What are the differences between a class component and functional component?

View Answers (1)
Q2. ReactJS Question
What is diffing algorithm?

View Answers (1)
Q3. ReactJS Question
What are stateless and stateful components?

View Answers (1)
Q4. ReactJS Question
What is reconciliation?

View Answers (1)
Q5. Redux Question
How is state changed in redux?

View Answers (1)
Q6. Redux Question
What is Combine Reducer?

View Answers (1)
Q7. Redux Question
How Relay is different from Redux?

View Answers (1)
Q8. Redux Question
How can we structure the top level directories in Redux?

View Answers (1)

HR Round (2 Questions)

Round duration - 30 Minutes
Round difficulty - Easy

This was a Technical Cum HR round where I was first asked some basic principles around Frontend Web Development and then we discussed about my expectations from the company , learnings and growth in the forthcomig years. I would suggest be honest and try to communicate your thoughts properly in these type of rounds to maximise your chances of getting selected.

Q1. Basic HR Question
Do you know anything about the company ?

View Answers (1)
Q2. Basic HR Question
Why should we hire you ?

View Answers (1)

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPACybage Software interview preparation:Topics to prepare for the interview - HTML, CSS, ReactJS , JavaScript, Redux, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : Do at-least 2 good projects and you must know every bit of them.
Tip 2 : Understand the fundamentals of JavaScript as they are asked very often.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Backend Developer Interview Questions

EPAM Systems

Anonymous

posted on 17 Nov 2024

Interview experience

Good

Difficulty level

Moderate

Duration

Less than 2 weeks

Result

I applied via Naukri.com and was interviewed in Oct 2024.

2 Interview Rounds

One-on-one Round (7 Questions)

Q1. Latest project explanation with application architecture, tech stack used. Business logic implemented
View Answers (1)
Q2. Create an api based on your latest project with coding standards, SOLID principles (need to code in the laptop provided) interviewer assess the code.
Add Answer
Q3. What are the design patterns you have used and explain them within your project context
View Answers (1)
Q4. Write linq queries to get order id and list of products (based on latest project)
View Answers (1)
Q5. Write sql query to get 2 nd largest salary
View Answers (1)
Q6. Web apps/ api security, performance, unit testing, code review and authentication/authorization related discussions
Add Answer
Q7. Generic class, generic methods related questions and write code in the board
Add Answer

HR Round (2 Questions)

Q1. Experience, relevant experience, current company related details
Add Answer
Q2. Salary discussions/negotiations
Add Answer

Interview Preparation Tips

Interview preparation tips for other job seekers - be prepared extensively what you have mentioned in your CV

Skills evaluated in this interview

UI Developer Interview Questions

Coforge

Divya Shrivastav

posted on 19 Nov 2024

Interview experience

Good

Difficulty level

Moderate

Duration

Result

Not Selected

I applied via Company Website and was interviewed in Oct 2024.