Explain the difference between REST and GraphQL APIs. When would you choose one over the other?

Describe how you would design a scalable notification system that handles millions of users.

What is your debugging process when you encounter a production issue?

Tell me about a time when you had a disagreement with a team member. How did you resolve it?

Describe a project you're most proud of. What was your specific contribution?

Why are you interested in this company and role?

What type of work environment helps you do your best work?