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If your Node.js application is fast locally but becomes slow in production, this video explains why. In this short breakdown, I cover: ...

Real Node.js Developer Interview Experience In this video, we review a real interview of a Full Stack Developer with 3 years of ...

What actually happens at the await line — the function splits, yields a promise, and resumes later as a microtask. The function ...

Real Full Stack Developer Interview Experience In this video, we cover a real interview session of a Full Stack Engineer with ...

Microtasks vs macrotasks — why promises always run before setTimeout(0). You set a timer to zero. You resolve a promise.

Preserving contextual data across asynchronous calls has always been tricky in Node.js land. For example, how to pass ...

An async function throws an error. A try/catch is wrapped right around it. The error never gets caught - and the console prints "All ...

The interview covers: ✓ Candidate introduction & project discussion ✓ Node.js Event Loop explanation ✓ Callback vs Promise ...

Topics: race condition, async/await concurrency, check-then-act, TOCTOU, Node.js event loop, shared mutable state, concurrent ...

If you're preparing for MERN Stack Developer interviews in 2026, focus on THIS: ✔ React fundamentals + hooks ✔ Node.js ...