IME it depends on the shop and it's own skill level. If you've got a bunch of devs with only experience in the tech stack the company is using, they'll be heavi

IME it depends on the shop and it's own skill level. If you've got a bunch of devs with only experience in the tech stack the company is using, they'll be heavily selective for a match to their stack. If they've got a broad set of internal tools in a bunch of languages, they're likely selecting more broadly based on overall skill or the ability to get up to speed. And I'm 100% with you there, learning a new place's codebase can often take as much or more time than learning a new language (at least if you've got experience with a couple of languages already). There's at least tutorials and guides for a new language, and there's rarely good docs and resources for the codebase.