Senior Net Software Engineer Interview Questions

130 senior net software engineer interview questions shared by candidates

ienumerable vs ienumerator? Singleton pros and cons? Factory pattern vs DI? Struct vs Class Interface What is dll and why to use it? What is generic method? What is IOC? What is Race conditions? What is deadlock in Thread? Generic method to convert array of class to array of another class.
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Senior Software Engineer, C#/.NET

Interviewed at Age of Learning

3.9
Oct 17, 2019

ienumerable vs ienumerator? Singleton pros and cons? Factory pattern vs DI? Struct vs Class Interface What is dll and why to use it? What is generic method? What is IOC? What is Race conditions? What is deadlock in Thread? Generic method to convert array of class to array of another class.

Multiple threads start the same static method with different arguments, you have to run your code in brain and predict the console output. Or maybe output is not guaranteed? Who knows? You will never know. They don't know either.
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Senior Software Engineer (.NET)

Interviewed at Veeam Software

3.8
Feb 27, 2026

Multiple threads start the same static method with different arguments, you have to run your code in brain and predict the console output. Or maybe output is not guaranteed? Who knows? You will never know. They don't know either.

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