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Architecture & UI

What architecture patterns have you used in iOS development?

How do you handle modular architecture in large iOS codebases?

UIKit or SwiftUI — which do you prefer and when?

Networking & Data Sync

How do you structure the networking layer in your iOS apps?

How do you handle offline support and data synchronization?

Security & Privacy

How do you securely store credentials and tokens on iOS?

Have you implemented API encryption beyond HTTPS?

How do you detect jailbroken devices?

How do you handle In-App Purchase security?

Testing & CI/CD

What is your approach to testing iOS applications?

How do you set up CI/CD for iOS projects?

Data & Concurrency

How do you work with CoreData in production apps?

How do you handle concurrency in Swift?