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Technical Knowledge
3 years ago
Can you share the technique you would use to convert a JSON file into a Dictionary type?
iOS Engineer

Slack

Strava

Autodesk

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3 years ago
Technical Knowledge
3 years ago
Describe the concept of threading in iOS development. Additionally, list the various types of threads accessible in iOS
iOS Engineer

Slack

Myntra Logo

Myntra

DocuSign Logo

DocuSign

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3 years ago
Technical Knowledge
3 years ago
Describe how you would identify the closest common ancestor in a view hierarchy between two UIViews.
iOS Engineer

Slack

DocuSign Logo

DocuSign

Autodesk

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3 years ago
iOS System Design
3 years ago
Explain your plan for developing a photo sharing app.
iOS Engineer

Slack

Flipkart Logo

Flipkart

Snap Logo

Snap

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3 years ago
iOS System Design
3 years ago
Share your thoughts on designing an efficient flight booking app.
iOS Engineer

Slack

Epic Games Logo

Epic Games

Glovo Logo

Glovo

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3 years ago
iOS System Design
3 years ago
Can you outline the architecture of the Messenger iOS app, highlighting the key components and their relationships?
iOS Engineer

Slack

Apple Logo

Apple

Salesforce Logo

Salesforce

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3 years ago
iOS System Design
4 years ago
How would you scale up a social photo browsing app with an infinite scroll, to millions of concurrent users?
iOS Engineer

Slack

Rakuten Logo

Rakuten

Ola Logo

Ola

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4 years ago

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

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