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iOS Developer Interview Questions

What open source projects have you contributed to?

Suggested approach: This isn’t a requirement – far from it! – but again shows an eagerness to learn and an ability to participate. Don’t be afraid to list your own projects if they are public on GitHub.

For bonus points, being able to say you've contributed to Swift itself is always likely to make the interviewer impressed, at least a little!

  Estimated difficulty: Easy

Important notes

  • There are over 150 interview questions in the system. Once you've read the question and come up with a suitable answer, try reading my suggested approach and see if it helps you add more detail.
  • These questions are not designed to be hard; a good interviewer is more interested in generating discussion that lets your ability and interests shine through.
  • If you answer a question with "yes" or "no" you've missed the point – interviewers prefer you to provide reasoning, explanation, or detail, so try to elaborate with examples!
  • If you're looking for detailed technical questions about the language, you should try my Swift tests instead – there are multiple challenges that will work your brain hard.
  • For a whole series of coding challenges, I wrote the perfect book for you: Swift Coding Challenges.

Related questions

See the full list of iOS interview questions

 
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