There could be several future problems that you could optimize around. Speed, usability of API, NLP aspects of the problem, integrating with off the shelf solut

There could be several future problems that you could optimize around. Speed, usability of API, NLP aspects of the problem, integrating with off the shelf solutions and so on. It really depends on what you want. If you want to learn a language for the sake of learning it, more power to you. Go forth and pick one of those. Python is fun. I have heard amazing things about Clojure. If you want to ship, just ship! A coworker of mine said something amazing the other day: Whilst an Architect worried about Python vs Scala vs Java, someone shipped in PHP.