If you want to work at a hipster company with no HR process. Most reputable companies will have someone who knows the most obscure languages you've listed inter

If you want to work at a hipster company with no HR process. Most reputable companies will have someone who knows the most obscure languages you've listed interview you, and you will get owned. A better rule is to put a language on your resume when you can think of a question, and you immediately know how to approach (not solve) the problem using language X.