Round 1:

• Discussion about previous work's technical aspect in depth
• rewrite async/await function using then().catch()
• create custom setInterval using only setTimeout

Round 2:

• How does virtual DOM work in react
• React code snippet where useMemo was used. Asked to identify what the problem with this snippet was. It was a memory leak issue.
• List all hooks you know and explain about each briefly
• create a custom hook that accepts a list of promises and returns the first promise that resolves
• Follow up: include an expiry time to the above custom hook. If the time expires, return an error.

Round 3: System design
How does real-time publish/subscribe mechanism work in tech like Google docs?

Offer:
https://leetcode.com/discuss/compensation/5258429/bicycleai-sde-2-frontend-developer/