Are projects really checked deeply during interviews?

I’ve listed a few projects on my resume, but I’m not sure how much interviewers actually go into them. Do they really check implementation details, or just ask high-level questions?

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Yes, projects are checked more deeply than most students expect, especially in technical interviews.

Interviewers usually don’t care about the number of projects on your resume. They care about one or two projects you truly understand. You’ll often be asked why you built it, what problem it solves, and what decisions you made. Follow-up questions go into edge cases, trade-offs, bugs you faced, and how you would improve it.

From my experience, interviews become uncomfortable when a project is only surface-level. If you’ve copied code or don’t understand parts of it, that shows quickly. On the other hand, even a simple project can leave a strong impression if you can explain it clearly and show ownership.

So yes, projects are checked deeply, but only to test honesty and understanding. It’s always better to have fewer projects that you know well than many that you can’t explain.