We've hosted over 100k interviews on our platform. Swift was the language of choice in those interviews 1% of the time, and engineers who interviewed in Swift passed their interviews 38% of the time.
Below is a distribution of programming languages and their popularity in technical interviews as well as success rates in interviews, by language.
Below you can find replays of mock interviews conducted on our platform in Swift. The questions asked in these interviews tend to be language-agnostic (rather than asking about language-specific details and idiosyncrasies), but in these cases, the interviewee chose Swift as the language they would work in.
interviewing.io is a mock interview practice platform. We've hosted over 100K mock interviews, conducted by senior engineers from FAANG & other top companies. We've drawn on data from these interviews to bring you the best interview prep resource on the web.