python for scripting and leetcode, C++ for competitive programming, racket for trusting the natural recursion, C# for getting paid lol (depends on your location tho)
tbh if your CS fundamentals are good you really ought to be able to pick up any new language or framework in short order. the hangups people have over language x vs y are way too overblown and anyone who spends too much time worrying about it is missing the forest for the trees
i will say i'm glad that even the web dev circus is coming around on the benefits of static typing nowadays