Backend in software development
Web technologies and standards


As the technical backbone, the backend is the part of the software that works in the background. It is not visible to users, but is crucial for the functionality of the app. It processes data, executes business logic and manages interactions with the database.

Put simply, the backend is like the kitchen of a restaurant – you can’t see it, but it’s where the actual cooking takes place. The front end, on the other hand, is like the restaurant itself – it’s the part that customers see and experience.

Why is a distinction made between backend and frontend?

The distinction exists to separate different aspects of the application. While the frontend revolves around the user interface and design, the backend refers to things like the database and business logic.

The backend performs functions and stores data behind the scenes. It’s everything the user can’t see, but it enables the website or application to function. Programmers use server languages such as PHP, JavaScript or Java and work with databases such as MySQL, PostgreSQL or MongoDB.

By the way: just because a software has a monolithic structure, it can also have a backend. A backend is often associated with interfaces (APIs) that only send and receive data. Instead, however, it should be viewed as a whole, as the power plant in the background, so to speak.

The role of the backend in software development

A powerful backend is crucial for the speed, security and scalability of an application. It enables the efficient processing of large amounts of data, guarantees the security of the data and ensures, among other things, that the application runs stably even under high load.

Importance of the backend in web development

Have you ever wondered how your Amazon search displays the right products? In the background, the backend is jointly responsible for responding to your user requests in real time. This results in dynamic and interactive websites and applications. No matter whether it’s search forms or form entries, user chats and statistical evaluations.

The foundation for successful applications

Of course, not every application needs a backend. But at the latest when it comes to data flows and business logic, it does.

As an indispensable component of every dynamic software application, the backend is the invisible foundation that is responsible for the performance and reliability of an application.

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