React is an incredibly powerful and popular JavaScript library for creating user interfaces and is a staple of modern web development. While React is an excellent tool for frontend web development, a backend is required for a full-stack application. This article explores the most popular backend technologies for use with React and their respective strengths and weaknesses. The options discussed include Node.js, Django, and Ruby on Rails. Additionally, best practices for integrating a backend with React are discussed, such as keeping the frontend and backend code separate, using an API, an authentication system, and a database.