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Explain how asynchronous processing works in your preferred programming language. • What is the difference between concurrency and parallelism? • How would you implement a queue for asynchronous task handling? • What are common ways to prevent race conditions? • How does the event loop work? • What’s the difference between threads and coroutines? • How do you handle exceptions in asynchronous code? • Describe how you would design a message queue system. • What’s the difference between blocking and non-blocking I/O? • Explain how promises/futures work. • How would you debug performance issues in an async system? • Live coding: implement a simple asynchronous queue or worker pool.
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Middle IOS Developer

Interviewed at Innowise Group

3.9★
Oct 5, 2025

Explain how asynchronous processing works in your preferred programming language. • What is the difference between concurrency and parallelism? • How would you implement a queue for asynchronous task handling? • What are common ways to prevent race conditions? • How does the event loop work? • What’s the difference between threads and coroutines? • How do you handle exceptions in asynchronous code? • Describe how you would design a message queue system. • What’s the difference between blocking and non-blocking I/O? • Explain how promises/futures work. • How would you debug performance issues in an async system? • Live coding: implement a simple asynchronous queue or worker pool.

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