What is a Node Js Backend?

A Node.js Backend job involves developing and maintaining server-side applications using Node.js. It includes building APIs, managing databases, optimizing performance, and ensuring security. Developers in this role work with frameworks like Express.js and handle tasks like authentication, error handling, and scalability. They often collaborate with front-end developers to integrate user-facing elements with backend logic. Strong knowledge of JavaScript, asynchronous programming, and cloud services is essential.