What are the most common Node.js interview questions?
Common topics include the Event Loop, async programming, Promises, Streams, Buffers, APIs, authentication, databases, caching, scalability, and system design.
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More FAQs in What Node.js Backend Questions Are Asked in Interviews?
Yes. The Event Loop is one of the most frequently asked Node.js interview topics because it is fundamental to understanding how Node.js handles asynchronous operations.
Yes. Product companies frequently ask Streams and Buffers because they are important for performance optimization, file processing, and memory efficiency.
Yes. SQL, NoSQL, indexing, joins, transactions, query optimization, and database design are commonly discussed.
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