backend
/ˌbækˈend/ IELTSAcademic
noun
The part of a computer system, website, or app that users do not see. It handles data, logic, and server work behind the scenes.
- The backend stores all customer orders.
- Our app is fast, but the backend needs work.
- She works on backend features.
Adinary Nuance
Backend is often paired with frontend. Frontend is what users see and touch, while backend is the hidden system that supports it. In tech writing, backend sounds more specific than 'server side' and less general than 'system'.
In other languages
- Vietnamese
- phần hậu trường
- Spanish
- parte interna
- Chinese
- 后端
- Japanese
- バックエンド
- Korean
- 백엔드
Etymology
Backend is a compound of back + end. It became common in computing in the late 20th century to describe the hidden working part of a system.
Common phrases
backend developerbackend systembackend workbackend services
Synonyms
Related words
Frequently asked questions
- Is backend the same as frontend?
- No. Backend is the hidden part that runs the system. Frontend is what users see and use.
- Is backend one word or two words?
- In everyday tech writing, backend is often written as one word. Some style guides use back end.
- What does backend developer mean?
- A backend developer builds the hidden parts of apps and websites, like servers and databases.
- Is backend used in business writing?
- Yes, especially in IT, product, and software contexts. It is common in professional tech English.