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The process was tough and took a whole day. Many aptitude questions and quizzes were asked. There were a few questions about web development and JavaScript, which I didn't know. A few HR questions, like 'Why should we hire you?', were also asked.

I took an online survey with Objective-C questions. The quiz focused on common Objective-C usages and was relatively easy if you're familiar with iOS operations. I didn't receive a callback.

Standard interview. Screening by recruiter over phone. Discussion with hiring managers over phone. Then a long in-person interview testing skills.