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Do those devs actively use OCaml? I thought most of the folks writing OCaml were writing the actual trade algorithms as opposed to infrastructure folks. My post was made off what I recall their lead technologist saying.




Absolutely. Everyone uses OCaml at Jane Street; pretty much everything at Jane Street is OCaml. If an OCaml version of something doesn't exist, there's a decent enough chance that they'll write it themselves rather than resort to a non-OCaml solution.

Like I said, my information might be a hair out of date, but it's first-hand.


Gotcha. Mine is just some old blog posts and a long talk from the guy that got OCaml started. Nothing like your actual first person experience. Thanks for adding!

Yes, everybody in JaneStreet is expected to be able to use Ocaml, Neovim, and R/Julia/etc.

Everybody in the company is expected to be able to sling numbers in text on a computer super efficiently.


They also build custom emacs tooling



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