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I call shenanigans on this comment. Weeding out folks for not knowing how to sleep in a particular language or array syntax in another is not warranted. I think the response that Scala doesn't have arrays is totally legitimate. You should have asked them what was the project/problem they were most proud of and suss out the details of that.

Moreover, keep in mind that for some orgs a Senior dev is actually someone that does more systems design, i.e. an architect. Make sure you ask them those sorts of questions before discounting their abilities. You don't want to be having an architect refactoring your frontend, that's a silly way to spend your money.

In all of the above cases, the candidate had no fundamental knowledge of their chosen language. All of the jobs I was hiring for were for positions that involved writing code. None of these were roles that involved more thought leadership than coding.

I should have been more clear about the JavaScript issue: there is no sleep command. The candidate didn't know how callbacks worked. In JavaScript. Callbacks in JavaScript are how _everything_ works.

just give fizzbuzz and call it a day. It sounded like you were asking about array to someone who doesn't use them and penalizing them.

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