Yea, there's not much for large scale production ocaml though, do it would be a tough sell at my work. It's one of those things where like.... if I got an offer to work at jane street I might take it solely for the purpose of ocaml lol.
Though as a side note I see no open gitlab positions mentioning ocaml. Lot of golang and ruby. Whereas jane street kinda always has open ocaml positions advertised. They even hire PL people for ocaml