Have you ever filed bugs with Apple? Can you walk me through some?

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The iOS interview differs from other interviews for software engineering roles, when it comes to specifics around implementation and frameworks.

An iOS interview will typically consist of a combination of the following interviews:

Practical
Computer Science Fundamentals
Higher Level
Framework Specific
Behavioral

1. Have you ever filed bugs with Apple? Can you walk me through some?

Unless you have specific needs, a safe answer is Apple’s: “the current version minus 1.” Note that e-commerce companies – i.e., companies that rely on users buying things through their app – are more likely to support a wider range of deployment targets, because even if only 5% of their users are on iOS n-2 that's enough to cause a significant revenue hit if they were lost.
Secure hash values use something like SHA-3, which is not the kind of code you'd want to write yourself. Instead, the best approach here is to mention something like Apple's CryptoKit framework, which can do hashing and encryption quickly, efficiently, and correctly.
Both check and unwrap optionals, but guard forces an early return if its check fails – your code will literally not compile unless you exit the scope. Furthermore, any variables that guard unwraps stay in scope after the guard block, whereas with if let the variables are available only inside the scope.
This is about demonstrating you’re a good citizen of the iOS community: you file bugs with Apple when you find them, and (just as important!) they are useful bugs with details and ideally a test case. If you file these properly, walking through shouldn’t be hard. Keep in mind that if you file bad bugs with Apple it suggests you'd be pretty bad at filing internal bugs for your own company too.

Have you ever filed bugs with Apple? Can you walk me through some?

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Have you ever filed bugs with Apple? Can you walk me through some?

❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know? Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com