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🏛 Software architecture: iOS interview questions

1. SOLID Middle PRO
2. MVC Junior PRO
3. MVVM Middle PRO
4. MVP Middle PRO
5. VIPER Middle PRO
6. Explain the SOLID principles. Middle PRO
7. What are Clean Architecture and the Dependency Rule? Senior PRO
8. Difference between dependency injection and dependency inversion? Middle PRO
9. Delegate or notification — when to choose which? Middle PRO
10. Why must the View in MVP be a protocol? Middle PRO
11. What is DI and what kinds of injection are there? Middle PRO
12. Why DI — what changes for testing? Middle PRO
13. How does MVVM differ from MVP? Middle PRO
14. Coordinator — why and how to implement it? Middle PRO
15. Repository — why isolate the data source? Middle PRO
16. Clean Architecture vs VIPER — common ground and differences? Senior PRO
17. How do you test a Presenter without UIKit? Middle PRO
18. How do you structure a large app's modular architecture? Senior PRO
19. How do you design feature flags? Middle PRO
20. App thinning, bitcode, slices — what are they? Middle PRO
21. How do you reduce launch time? What is pre-main? Senior PRO
22. How do you design an offline-first architecture? Senior PRO