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Technical Knowledge
2 years ago
Describe the steps you would take to determine the common parent of two UIViews in a view hierarchy.
iOS Engineer

TikTok

Andela

Adyen

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2 years ago
iOS System Design
2 years ago
Can you figure out how to rotate a square matrix clockwise without using any extra matrix?
iOS Engineer

TikTok

Pinterest

UberEats

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2 years ago
Technical Knowledge
2 years ago
How does concurrency work in iOS?
iOS Engineer

TikTok

Slack Logo

Slack

Carousell Logo

Carousell

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2 years ago
Technical Knowledge
2 years ago
Describe the process of transforming a JSON file into a dictionary type in Swift.
iOS Engineer

TikTok

Disney Logo

Disney

Snap Logo

Snap

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2 years ago
iOS System Design
2 years ago
Detail your design strategy for a user-friendly clock app on iOS.
iOS Engineer

TikTok

Hopper Logo

Hopper

Netflix Logo

Netflix

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2 years ago
iOS System Design
3 years ago
Detail the method you would use to handle quality assurance for a room plan app.
iOS Engineer

TikTok

Spotify Logo

Spotify

Klarna Logo

Klarna

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3 years ago
Technical Knowledge
3 years ago
Examine the various avenues for implementing asynchronous method calls in iOS. Explore the significance of completion handlers, expound upon the intricacies of async/await, and shed light on other valuable techniques employed in the realm of handling asynchronous tasks.
iOS Engineer

TikTok

Roku Logo

Roku

N26 Logo

N26

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3 years ago
Technical Knowledge
3 years ago
What methods exist to pull off concurrency in iOS?
iOS Engineer

TikTok

Slack Logo

Slack

Carousell Logo

Carousell

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3 years ago
Technical Knowledge
3 years ago
What sets OperationQueue apart from GCD?
iOS Engineer

TikTok

Tesla Logo

Tesla

Bloomberg Logo

Bloomberg

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3 years ago
iOS System Design
4 years ago
Could you walk me through the steps you would take to handle QA for a room plan app?
iOS Engineer

TikTok

Spotify Logo

Spotify

Klarna Logo

Klarna

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4 years ago

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TikTok

iOS Engineer

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System Design

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*All interview questions are submitted by recent TikTok iOS Engineer candidates, labelled and categorized by Prepfully, and then published after being verified by iOS Engineers at TikTok.

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