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1,601 sr ios developer interview questions shared by candidates

Not going to disclose the questions for obvious reasons. Instead, I will describe the whole process. Three calls: - A call with HR to know each other. - A call with the leads to know about past experience, etc. (not a technical interview) - A full-day technical interview to work on an assignment. This full day interview was supposed to take place into their headquarters, in Basel. However, due to Covid restrictions, it was online. I think it would've been a huge PLUS having it on site, one can get the context of the company much better.
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Senior IOS Developer

Interviewed at Unblu

4.7★
Oct 15, 2021

Not going to disclose the questions for obvious reasons. Instead, I will describe the whole process. Three calls: - A call with HR to know each other. - A call with the leads to know about past experience, etc. (not a technical interview) - A full-day technical interview to work on an assignment. This full day interview was supposed to take place into their headquarters, in Basel. However, due to Covid restrictions, it was online. I think it would've been a huge PLUS having it on site, one can get the context of the company much better.

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.
avatar

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.

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