What is polymorphism and how is it used?
Mobile Software Developer Interview Questions
2,734 mobile software developer interview questions shared by candidates
I was asked how to identify and return the first instance of a duplicate number in an array of int
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.
Why yelp? (Most common question, be prepared for it)
In any language, write for us an application that will take any sequence of 5 numbers, and write out its digits in order from low to high, eg, given "85967" your output should be "56789." Do this in five minute.
Best practice in writing api?
React Native basic questions like react hooks, javascript, typescript
The technical interview consists in a code review exercise and a quick systems design chat.
The most difficult question was on the codility test; it was about negabinaries, I can't post the exact problem but I recommend to read about that topic.
How to test one of their app if the audio functionality is not working.
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