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by RussianCow 2994 days ago
> But a new, experienced team member, with zero knowledge in the most used language in the team? Sure, why not?

It really depends on how much time you have to wait for a new hire to ramp up before they are useful. If you need immediate help, then hiring someone who doesn't even have experience with your programming language is a complete non-starter. If, on the other hand, you are hiring for the long term and can afford to pay a ~3-month tax for a good engineer for (hopefully) several years, then you are correct and the ramp-up cost becomes pretty insignificant. But don't make the mistake of thinking that this is an exception to the rule—what languages you know absolutely does matter to any company needing to get work done now.