Top interview questions to use when hiring a React Developer

Use these React Interview questions to accurately assess candidates and hire the right Frontend Developer for your company.

To hire the right React Developer you need to do more than ask React and Javascript coding questions. Rather than asking obscure algorithmic questions it's best to test for skills people will actually need on the job. That's why we've designed this assessment to have a mix of skills including: React, Frontend development, basic NodeJS, Website performance, and Communication.

All of Vervoe's skills assessments are instantly autograded to save you time. Vervoe automatically grades responses of any kind, including freeform text, video and code.

React Interview coding preview

React Developer interview questions

Question 1

React

QUESTION TYPE:
Text
icon for question type

React

In your own words, what role does the `render` function have in a React component?

Sign up to to use this question in a Vervoe skills test

Question 2

Web Development, Communication

QUESTION TYPE:
Video
icon for question type

Web Development, Communication

What is the difference between First Contentful Paint and Time to Interactive?

Sign up to to use this question in a Vervoe skills test

Question 3

Web Development, Team Work

QUESTION TYPE:
Text
icon for question type

Web Development, Team Work

What comment would you leave for your colleague if you saw the following code during your code review of their work?

Sign up to to use this question in a Vervoe skills test

Question 4

Communication, Web Development

QUESTION TYPE:
Video
icon for question type

Communication, Web Development

Imagine you are in a meeting with the executive team. The VP of Marketing (with a non-technical background) says that they were speaking to their friend who builds apps; this friend told them that our company needs to move from React to Vue because it is a far superior framework and will make us less competitive in the market if we don't move. The VP of Marketing says this sounds urgent and the CEO turns to you for your input. Record a video of how you would respond.

Sign up to to use this question in a Vervoe skills test

Question 5

React, Frontend Development

QUESTION TYPE:
Code Editor
icon for question type

React, Frontend Development

What role does the componentDidMount function have in the following component:

Sign up to to use this question in a Vervoe skills test

Question 6

NodeJS

QUESTION TYPE:
Code Editor
icon for question type

NodeJS

In the following code editor, replace the comment with the simplest way to display text using express.

Sign up to to use this question in a Vervoe skills test

Question 7

Javascript

QUESTION TYPE:
Code Editor
icon for question type

Javascript

In the code editor below write a function that takes the input 100 and has an output which meets these requirements:

Sign up to to use this question in a Vervoe skills test

Great people are worth it

Talent management is the most important competitive advantage in any business.

Vervoe helps companies reach their potential by avoiding bad hires, which cost up to 2.5x salary.

Start using this skills test