FizzBuzz and Programming Candidates

Software Engineers do suffer from fashion, and the nature of the internet and how blog posts get propagated exponentially do contribute to that. I can recall when Joel Spolsky (IIRC) mentioned the fizzbuzz test for an interview. The basis for it is sound; basically, the concern that many people applying for programming jobs cannot actually program. But it got propagated like fashion amongst techs and sure enough, soon after, I was interviewing and was asked the fizzbuzz test.

While modulus is a very basic part of nearly every programming language I have used it in anger maybe five times in my programming life. Because it became fashionable via a well known tech blogger and commentator it almost ruined it as a question. I recall when I was asked it, I didn't solve the problem, instead we ended up in a discussion about the merits of testing if programmers can actually program. I have enough stuff on the web that it is obvious I can (such as this site, but also javascript at previous employers as well which was pretty hardcore and easily viewable on the web).

It is probably why the reflexive 'no-hire' decisions such as with the Coders At Work gets under my skin. Since it was mentioned by a prominent tech blogger it will become fashion to rattle off several people from that historical list. While not a bad thing in itself, it is more an indication of the person being interviewed keeping up with celebrity tech bloggers and their opinions on no hires.

That all being said, I agree that applicants not being able to program is a serious issue. We go through white boarding of multiple simple tasks. I usually make candidates mock up interfaces, objects, small tasks, database designs, etc for structures we have and some of the issues we have faced in design and implementation over the last couple of weeks. That is usually enough to see how a person's thought processes would adapt to the design, programming and implementation challenges within the company I am working with.
Permalink, FizzBuzz and Programming Candidates, Nov 2009, cam
Steve Burnap: We used to ask Fibonacci, both because it was something that anyone should be able to rattle off in 60 seconds (even if they have to have what it is explained) and it is a good segue into the question of recursion.

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