18 Angular Senior Developer Interview Questions to Evaluate Expertise 2025.

I’ve compiled 18 thought-provoking questions to evaluate a candidate’s expertise and approach to solving real-world challenges.

Question: 1

If you had to pick only 5 libraries as dependencies for your Angular app, which ones would you pick?

Question: 2

What’s your go-to strategy for debugging Angular components?

Question: 3

Have you ever created a custom RxJS operator? What problem did it solve?

Question: 4

What unconventional challenges did you face while developing or architecting Angular apps?

Question: 5

How do you manage API type consistency between frontend, mobile apps, and backend?

Question: 6

What’s your approach to optimizing the performance of large Angular components?

Question: 7