How would you implement user authentication middleware in a Node.js application?
Node Js Developer Interview Questions
930 node js developer interview questions shared by candidates
How does Node.js handle asynchronous code? Provide examples of async patterns in Node.js.
Describe how you would horizontally scale a Node.js application to handle increased traffic. What tools or frameworks would you use?
What are some common security vulnerabilities in Node.js applications? How would you prevent attacks such as cross-site scripting (XSS) and SQL injection?
Can you describe a complex Node.js project you've worked on? What were the challenges and how did you overcome them?
What strategies do you use to optimize the performance of Node.js applications?
What is Node.js? How does it differ from traditional server-side languages?
Explain the difference between require() and import statements in Node.js.
Explain middleware in Express.js and give examples of commonly used middleware
Explain how you handle asynchronous operations in Node.js.
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