May I suggest OCaml? It's a pragmatic functional programming language that's often used for finance applications, e.g. derivatives analysis at Bloomberg: https:

May I suggest OCaml? It's a pragmatic functional programming language that's often used for finance applications, e.g. derivatives analysis at Bloomberg: https://youtu.be/r6mYb2w_6po https://youtu.be/r6mYb2w_6po . OCaml's strong static type system makes it very easy to write correct code, and its fast compile speed and near-perfect type inference make it very fast to iterate on code. It can also target JavaScript if you need to deploy something on browsers.