A Node.js development company provides services around building fast, scalable network applications using Node.js, an open-source JavaScript runtime. Known for its non-blocking, event-driven architecture, Node.js is ideal for real-time apps, such as chat applications, e-commerce sites, and social media platforms. A Node.js company delivers custom web apps that handle high traffic and large volumes of data efficiently. With expertise in back-end development, API integrations, and microservices, these companies create high-performance applications that are both flexible and scalable, allowing businesses to innovate quickly in a digital-first world.