Node.js Developer

Node.js Backend Developer Mock Interview Prep

Prepare for Node.js back-end interviews. Practice Streams, event emitters, cluster module, child processes, and memory management.

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Technical Depth

Clarity

Confidence

Most students reach interview-ready after 3 practice sessions.

Sample question

How does the Node.js event loop work and what are its main phases?

The event loop lets Node do non-blocking I/O on a single thread via phases: timers, pending callbacks, poll, check and close, with microtasks running between phases.

Placement Readiness Syllabus

V8 engine garbage collection and memory leak debugging
Streams (Readable, Writable, Duplex, Transform) and backpressure management
Cluster module and Child Processes (spawn, fork, exec)
Libuv thread pool size and asynchronous input/output operations

How DevMate Practice Works

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Frequently Asked Questions

Does the coding engine support async event emitter mock testing?

Yes, our mock environment logs telemetries for custom event loop delays.

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2 minutes · 1 question · no credit card

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