The interview was for a full stack role. The process had three rounds: one phone interview and two coding rounds. One was a UI coding round, and the other was a backend API coding round.

UI Technical Question

1. Reverse an array. Can you do it in less than O(n)?
2. ES6 array destructuring and object destructuring?
3. Write a function for finding the highest element in an array.
4. Write a function that uses the spread operator.
5. What kind of work are you planning to do in the future?
6. Write a function to push numbers onto an array.
7. What is a promise? Write the syntax for it.
8. What are let, var, and const?
9. Difference between == and ===.
10. What is hoisting?

Backend Technical Questions:

1. What is REST?
2. What are the different types of REST API calls?
3. How can you detect a cycle in a linked list?