Ios Mobile Software Engineer Interview Questions

21 ios mobile software engineer interview questions shared by candidates

I can't tell you the questions because of NDA. But if you comfortable with algorithms (sorting, iterations, find), arrays, trees, linked lists and all this stuff - you should perform well. Only thing I should mention - practice in whiteboard coding before the interview to feel comfortable about that. In about 5 to 10 problems you'll become okay with idea of writing code on whiteboard(if you don't do that in everyday work of course), and this should help.
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Software Engineer - Mobile IOS

Interviewed at Yelp

3.2
Mar 15, 2016

I can't tell you the questions because of NDA. But if you comfortable with algorithms (sorting, iterations, find), arrays, trees, linked lists and all this stuff - you should perform well. Only thing I should mention - practice in whiteboard coding before the interview to feel comfortable about that. In about 5 to 10 problems you'll become okay with idea of writing code on whiteboard(if you don't do that in everyday work of course), and this should help.

Design an event tracking system with a tracking function to monitor events. There will be two event types: high-priority events, which should be sent to the server immediately upon arrival, and low-priority events, which can be cached locally and uploaded in batches every 10 seconds or so. Ensure that validation and enrichment are performed when events are received.
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Senior Software Engineer, Mobile IOS

Interviewed at Grab

3.8
Mar 20, 2025

Design an event tracking system with a tracking function to monitor events. There will be two event types: high-priority events, which should be sent to the server immediately upon arrival, and low-priority events, which can be cached locally and uploaded in batches every 10 seconds or so. Ensure that validation and enrichment are performed when events are received.

Programming exercise was good- you had 1:15 hr in XCode to write a simple iOS application with data persistence, implement a shake motion gesture, localize it into french and spanish, and ensure the UI resized correctly. Then you had to write the test cases for your app. All told if you knew what you were doing you should have the basics done in under an hour. From there you can spend the rest of your time making the UI pretty.
Jun 14, 2013

Programming exercise was good- you had 1:15 hr in XCode to write a simple iOS application with data persistence, implement a shake motion gesture, localize it into french and spanish, and ensure the UI resized correctly. Then you had to write the test cases for your app. All told if you knew what you were doing you should have the basics done in under an hour. From there you can spend the rest of your time making the UI pretty.

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