The interview was relatively straightforward and focused mainly on my understanding of backend development. The interviewer began with some basic questions on Node.js, such as how the event loop works, the use of middleware in Express, and how to handle asynchronous operations using Promises and async/await.
Interview questions [1]
Question 1
How to design a RESTful API
The difference between SQL and NoSQL databases
Methods for ensuring data validation and security in backend services?
How authentication and authorization work (e.g., using JWTs)
Basic understanding of how to scale backend systems