React Js Developer Interview Questions

React Node JS Developer

Interviewed at Altimetrik

3.8★

Dec 3, 2024

Most of the questions are related to how nodejs and javascript work, e.g Callstack, Threading, Difference between NodeJs and Browser

React Js Developer

Interviewed at Cognizant

3.1★

Mar 22, 2025

Diff btwn functional and class based component, how can we replicate lifecycle method in functional , component, js questions like closure, hoisting, let var, const , coding question to remove duplicates from given , also asked me to create a react form with validation , intrview duration 45 mins .

React Js Developer

Interviewed at Quest Global

3.9★

May 26, 2026

They asked theory and coding questions of react

React Js Developer

Interviewed at Tieto

3.9★

Feb 20, 2020

Architecture of proj you worked.? Pass data from page1, to page 3 and display it without redux? any other option in react? React routers?

React Js Developer

Interviewed at Brevo

3.5★

Apr 9, 2023

Webpack, ES6, CSS, DSA, REACT HOOKS

Senior Frontend Developer-React JS

Interviewed at Cisco

4.1★

Oct 26, 2023

1. JavaScript DSA Question 2. MCQ's 3. ReactJS Coding Question

React Js, Node Js Developer

Interviewed at Persistent Systems

4.1★

Mar 19, 2021

Basics about JavaScript and node.js

React Js Developer

Interviewed at Capgemini

4.1★

Sep 22, 2020

What are core features of react?? What is redux?? What is context API??

React Js Developer

Interviewed at Capgemini

4.1★

Dec 27, 2023

1. React Basic questions. 2. Logical reasoning.

Software Engineer - React JS

Interviewed at EPAM Systems

4★

Sep 15, 2022

te preguntan sobre Owasp, cómo mejorar el performance de una app en React, sobre preprocesadores, virtual dom, npm, redux, ceremonias de Scrum. Mi entrevistador fue muy cálido y abierto a la conversación. En estos momentos estoy en la empresa pero hay mucha incertidumbre, está despidiendo personas en bench, hicieron contrataciones desmesuradas.