Mobile Development Interview Questions

5,886 mobile development interview questions shared by candidates

Sort array, without using any built in sorting algorithms. Find the duplicates with only one for loop. Design Autofill dictionary for text fields. Design a vending machine. Why would you keep user policies at server side rather on device?
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Mobile Architect (IOS)

Interviewed at Oracle

3.5
Dec 13, 2016

Sort array, without using any built in sorting algorithms. Find the duplicates with only one for loop. Design Autofill dictionary for text fields. Design a vending machine. Why would you keep user policies at server side rather on device?

One key thing they asked me was to build a small React Native app that fetches data from an API, handles nested API calls using Promise.all, and displays the data in a table format. Additionally, I had to implement a dropdown to sort the table by name in ascending or descending order.
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Senior Engineer Mobile solutions

Interviewed at Publicis Sapient

3.4
Jul 15, 2025

One key thing they asked me was to build a small React Native app that fetches data from an API, handles nested API calls using Promise.all, and displays the data in a table format. Additionally, I had to implement a dropdown to sort the table by name in ascending or descending order.

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