Do backend developers need database knowledge?
Yes. Databases are a core part of backend development, and developers should understand SQL, NoSQL, indexing, and query optimization.
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More FAQs in What Skills Should a Node.js Backend Developer Have?
JavaScript fundamentals, APIs, databases, authentication, async programming, caching, scalability, and Node.js internals are among the most important skills.
Authentication and authorization are essential for securing applications and are frequently discussed during backend interviews.
You should understand the Event Loop, V8 Engine, Streams, Buffers, concurrency, and asynchronous execution.
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