---
title: "Node.js — Sping — Sping Digital Lab"
source: "https://sping.nl/en/services/technology/developing-software/nodejs/"
---

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2. [Technology ](https://sping.nl/en/services/technology/)/
3. Node.js

# Node.js

Node.js is the JavaScript runtime we use to build fast, scalable server-side applications and APIs on an event-driven, non-blocking architecture.

## What is Node.js?

Node.js is an open-source, cross-platform JavaScript runtime environment. It lets developers use JavaScript on the server — outside the browser. Built on Google Chrome’s V8 engine, Node.js is fast, lightweight and broadly applicable.

## Why Node.js?

Node.js runs on a non-blocking, event-driven architecture. It handles many concurrent connections without spawning threads — highly efficient for I/O-intensive operations.

## Core benefits

* **Async and non-blocking** — The event loop processes multiple connections simultaneously without waiting on slow I/O operations.
* **JavaScript full-stack** — Same language on front- and backend. Consistent codebases, less context-switching for the team.
* **NPM** — Access to one of the largest open-source library ecosystems. Integrate quickly, build less from scratch.
* **Cross-platform** — Runs on Windows, macOS and Linux. Same code, multiple environments.
* **Real-time applications** — Low latency makes Node.js ideal for chat, gaming, collaboration tools and live notifications.
* **Active community** — A large, lively ecosystem of frameworks, tools and shared knowledge.

## Common use cases

Web servers, RESTful APIs, microservices, WebSocket applications and command-line tools. Frameworks like Express.js, built on top of Node.js, simplify server-side development further.

## Our approach

We often combine Node.js with NestJS for structured backend architecture, or use it as a lightweight API layer within a larger system. The choice always depends on the scale and complexity of your project.

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