If you're learning a coding language with a view to becoming employable in a technology role in financial services, should you choose something like Python , which is well-used across the industry, or should you go for something a little more obscure?

A Substack blog post  at the weekend argued for the obscurity route. We've already looked at the value of languages like K and Q for finance jobs, but there's also merit to learning functional programming languages like Clojure, F#, Scala, Elixir, and...OCaml.

Maybe this doesn't matter. Minksy explains that Jane Street's rationale for using OCaml is partly based on the "Python Paradox" posited in the early days of Python by YCombinator founder, Paul Graham. This says that: “If a company chooses to write its software in a comparatively esoteric language...