Back-end development focuses on the server side of web applications, managing the logic, databases, and server configurations that power the front end. Back-end developers work with server-side languages like Python, Ruby, and PHP to build and maintain the core functionality of a website or app.

• Database Management: Handling data storage and retrieval efficiently.
• API Development: Creating interfaces for communication between front-end and back-end systems.
• Server-Side Logic: Implementing the core functionalities of the application.
• Security: Ensuring that data and user information are protected from threats.