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Master Node.js interviews with AI. Practice event loop concepts, async programming patterns, Express.js, and backend development for Node.js developer positions.
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Loop
Core concept
Patterns
Promises, await
Framework
Middleware
Feedback
Instant analysis
What interviewers expect you to know
Understand phases, microtasks vs macrotasks, process.nextTick, setImmediate, and how Node.js achieves non-blocking I/O.
Master callbacks, promises, async/await, error handling in async code, and common patterns like Promise.all.
Know middleware patterns, routing, error handling, authentication, and how to structure production applications.
Understand readable/writable streams, piping, backpressure, and when to use streams for large data.
Comprehensive Node.js interview preparation
Async execution model
Promises, callbacks
Middleware, routing
SQL, MongoDB, ORMs
REST, GraphQL
Package management
Distributed systems
Jest, Mocha, testing
Technology-specific interview simulation
Event Loop
Deep understanding
Async Patterns
Promises, await
Streams
Data handling
Modules
CommonJS, ESM
Express.js
API development
Databases
SQL, NoSQL
Testing
Jest, Mocha
Deployment
Docker, PM2
Practice these and more
Explain the order of execution: setTimeout vs setImmediate vs process.nextTick. When would each be preferred?
Implement a function that fetches data from multiple APIs in parallel and returns when all complete or any fails.
How would you implement rate limiting middleware in Express? What are the considerations for a distributed system?
Explain how you would process a 10GB file in Node.js without running out of memory.
Practice Node.js interviews
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