Lead Backend Developer Interview Questions

6,282 lead backend developer interview questions shared by candidates

1. What is hashing 2. What is encryption 3. Difference between hashing and encryption 4. JWT (Json Web Token) authentication process in details 5. Closures in JS 6. Design timer functionality using setTimout and setInterval (only approach). 7. Event loop in js 8. How to handle concruent requests in node js. 9. Write SQL query to find customers who has atleast 2 orders using Joins.
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Backend Intern

Interviewed at Toddle

4.2
Jul 24, 2023

1. What is hashing 2. What is encryption 3. Difference between hashing and encryption 4. JWT (Json Web Token) authentication process in details 5. Closures in JS 6. Design timer functionality using setTimout and setInterval (only approach). 7. Event loop in js 8. How to handle concruent requests in node js. 9. Write SQL query to find customers who has atleast 2 orders using Joins.

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