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Please stop the coding challenges

(blackentropy.bearblog.dev)
261 points CrazyEmi | 1 comments | | HN request time: 0s | source
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fishtoaster ◴[] No.42149357[source]
I recently ran an interview process for a relatively senior eng role at a tiny startup. Because I believe different interview methods work better for different people, I offered everyone a choice:

1. Do a takehome test, targeted to take about 4 hours but with no actual time limit. This was a non-algorithmic project that was just a stripped-down version of what I'd spent the last month on in actual work.

2. Do an onsite pairing exercise in 2 hours. This would be a version of #1, but more of "see how far we get in 2 hours."

3. Submit a code sample of pre-existing work.

Based on the ire I've seen takehome tests get, I figured we'd get a good spread between all three, but amazingly, ~90-95% of candidates chose the takehome test. That matches my preference as a candidate as well.

I don't know if this generalizes beyond this company/role, but it was an interesting datapoint - I was very surprised to find that most people preferred it!

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bhhaskin ◴[] No.42149441[source]
Why would you even do any of that for a senior role? I wouldn't waste my time with it, and it shows you don't know how to interview/evaluate for a senior position.
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1. fishtoaster ◴[] No.42151698[source]
Because all evidence[0] I've found has shown that work-sample tests and repeatable, structured indicators are the best indicator of job performance. I understand that a lot of devs think they can get a feel for a candidate by just having a good ol' conversation with them, but the body of study on the subject says that that's just wrong. And so I have people do a task that's as close to the actual job as humanly possible and evaluate them on that.

https://www.researchgate.net/publication/283803351_The_Valid...