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
How have you used TypeScript generics to simplify handling complex interfaces in Angular?
Question: 8
Can you use ::ng-deep?
Question: 9
How do you ensure reusability in your SCSS for large-scale Angular projects?
Question: 10
Have you contributed to the Angular ecosystem/community? If so, what was your contribution?
Question: 11
What is your strategy for refactoring a bloated Angular component?
Question: 12
What was the most complex form you’ve worked with?
Question: 13
How do you implement validation in complex forms?
Question: 14
Signals, Observables, Promises — tell me all about their differences and when to use each?
Question: 15
Have you implemented custom decorators? If so, what was the use case?
Question: 16
What kind of states do we have in the app, and how do you manage them?
Question: 17
What’s your approach to lazy-loading modules in Angular?
Question: 18
How do you handle HTTP errors globally?
What do you think of these questions? Let me know in the comments below, and share any other interesting Angular interview questions you’ve come across!
