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Senior React Interview Mastery: Strategies for Acing the Toughest Questions

“Learn Once, Write Anywhere”

7 min readMar 18, 2023


React is a dynamic and powerful JavaScript framework that has rapidly gained popularity for building modern web applications. As a React engineer, you have the opportunity to work on a diverse range of projects, from simple landing pages to complex enterprise applications. However, the journey from a junior to a senior React engineer is a challenging one that requires dedication, hard work, and a willingness to continuously learn and improve.

In this article, we will outline a roadmap for advancing from a junior to a senior React engineer. We will cover the key concepts and skills you need to master, along with code examples and practical advice. Whether you are just starting with React or looking to take your skills to the next level, this roadmap will provide you with a clear path forward.


Before we begin with the roadmap, there are a few prerequisites that you need to be familiar with. These include:

  • HTML/CSS: React is a front-end library, and as such, you should have a good understanding of HTML and CSS. You should know how to structure a webpage, use basic styling, and work with responsive design.
  • JavaScript: React is written in JavaScript, so you need to have a good understanding of the language. You should know how to write functions, use variables and data types, work with arrays and objects, and handle events.
  • Node.js: You should be familiar with Node.js, which is a JavaScript runtime environment used for developing server-side applications. React applications are typically built using Node.js and a package manager like npm or yarn.
  • Git: Git is a version control system used to manage source code. You should be familiar with Git and know how to use basic commands like git clone, git add, git commit, and git push.

If you are not familiar with any of these prerequisites, we recommend that you start by learning them before continuing with the roadmap.


  1. Basic React

The first step to becoming a senior React engineer is to master the basics of…




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