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Sr Ios Developer Interview Questions

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Implement a scaffold of a design system, where you can apply styles to UI elements. Given an example of badly designed code (Network service + View controller) fix it the way you want and implement missing callback action inside the VC. This task was seasoned with some delusional requirements, like what if token storage was not designed to be called multiple times and has to be initialised every time to avoid bugs? How would you implement dependency injection where you don't need to implement mocks with given protocols (some wise man told them to pass function closures instead). What is autorelease pool and how you can use it.
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Senior IOS Developer

Interviewed at Flo Health

3.7★
Oct 26, 2023

Implement a scaffold of a design system, where you can apply styles to UI elements. Given an example of badly designed code (Network service + View controller) fix it the way you want and implement missing callback action inside the VC. This task was seasoned with some delusional requirements, like what if token storage was not designed to be called multiple times and has to be initialised every time to avoid bugs? How would you implement dependency injection where you don't need to implement mocks with given protocols (some wise man told them to pass function closures instead). What is autorelease pool and how you can use it.

Work on an existing iOS sample project and implement a feature to display news items grouped into sections. The task involved modifying the TableView to support sections and updating the ViewModel to group news items by year before presenting them in the UI.
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Senior IOS Developer

Interviewed at Monzo Bank

3.9★
Mar 13, 2026

Work on an existing iOS sample project and implement a feature to display news items grouped into sections. The task involved modifying the TableView to support sections and updating the ViewModel to group news items by year before presenting them in the UI.

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