A Mobile Backend refers to the server-side component that supports mobile applications. It handles data storage, user authentication, and business logic, allowing mobile apps to function smoothly. By managing these tasks, the backend enables developers to focus on creating a user-friendly interface without worrying about the complexities of server management. Typically, a mobile backend is built using various technologies and frameworks, such as Node.js, Ruby on Rails, or Django. It communicates with the mobile app through APIs (Application Programming Interfaces), ensuring that data is exchanged efficiently. This setup is crucial for providing a seamless experience for users of mobile applications.