At Oxide, we do "web API layer" stuff in Rust. We also don't require that candidates be Rust experts, though obviously experience helps. Many of those people who are "proficient in C#, JS, Java, Go, Python and the like" can absolutely write Rust, even if there is some slowness at first.
You have to be willing to believe that and consider it when hiring, of course, which some organizations may reasonably not be willing to.
You have to be willing to believe that and consider it when hiring, of course, which some organizations may reasonably not be willing to.