Facebook Software Engineer Mock Interview

Practice 26 Facebook Software Engineer interview questions covering algorithms, system design, and coding challenges.

Question 24 of 26

Can you describe a tough software development problem you encountered in your last job and discuss how you solved it?

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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.

This is an experience-based question. Experience-based questions ask about a specific situation and seek to understand how you resolved it. This provides the Facebook interviewer with information about your background and your ability to do the job. When responding to this type of question, keep your answer simple using plain language the interviewer is likely to understand.

William Swansen

"When creating an internal application to help our company's employees track their expenses, there was a bug in the program which impacted the rounding of percentages. After hours of examining the application and attempting to fix the problem, I was unable to identify the bug. I asked one of my peers to look at my code, and they quickly found the issue. This helped me realize that sometimes I'm too familiar with the code I write, and a fresh set of eyes can be helpful."

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