Mobile app architecture interview questions

Who this is for

Senior mobile candidates preparing architecture rounds.

What to cover

• State ownership
• Module and dependency boundaries
• Persistence and sync
• Testing, rollout and observability

The useful result

Architecture answers that remain defensible across iOS and Android.

Use the keyword as a starting point, then judge the work by whether it solves the reader's actual problem. A strong answer names the context, the decision, the closest alternative, the failure mode and the evidence that would change the recommendation.