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Lead Ios Engineer Interview Questions

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4,728 lead ios engineer interview questions shared by candidates

- General behavioural questions on first step, read yellow book. - System design: design a chat application. Two screens, contacts and message list. Most focus on second screen and on high level diagram of that. - Live coding: Refactor an old UIKit app. There was a collectionview inside a massive view controller with a list of something, fetched form api. Task was to refactor it to any kind of applicable architecture for testing. After that write tests for your chosen arch. And after small leetcode task with arranging integer elements inside an array.
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Senior IOS Developer

Interviewed at Glovo

3.4★
Jul 17, 2025

- General behavioural questions on first step, read yellow book. - System design: design a chat application. Two screens, contacts and message list. Most focus on second screen and on high level diagram of that. - Live coding: Refactor an old UIKit app. There was a collectionview inside a massive view controller with a list of something, fetched form api. Task was to refactor it to any kind of applicable architecture for testing. After that write tests for your chosen arch. And after small leetcode task with arranging integer elements inside an array.

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