Node.js is a JavaScript runtime built on Chrome's V8 engine that allows you to run JavaScript on the server-side, enabling development of scalable network applications.

npm (Node Package Manager) is the default package manager for Node.js, allowing developers to install, manage, and publish JavaScript packages and dependencies.

What is middleware in Express?

Middleware functions in Express are functions that have access to request and response objects, can modify them, end the request-response cycle, or pass control to next middleware.

Node.js Interview Questions

381. What organizational risks emerge during backend-platform migrations?

382. How do you balance modernization efforts with business-delivery pressure?

383. How would you align backend platform investments with long-term business goals?

384. What engineering principles sustain healthy Node.js ecosystems over time?

385. How would you mentor staff-level engineers on backend architectural decision-making?

386. How would you define a long-term roadmap for Node.js platform evolution?

387. What are common scaling failure patterns in Node.js organizations?

388. How would you design backend systems resilient to organizational growth?

389. What operational bottlenecks appear as Node.js organizations scale globally?

390. How would you structure platform ownership across backend engineering groups?