Microsoft Intern - Software Engineer interview questions

Tell me about yourself. Normal Leetcode

Explain to me what you made. What is your favourite app In this app tell me about the features that you would like to add. If you were a part of the engineering team of this app, what difficulties you think would you face. How would you have solved those difficulties> Using OS Concepts explain to me how the database in this app would have worked. Explain how you would reduce the cost of profile retrieval for the app using OS concepts.