TBH, the reason I'm asking I wanted to recommend Rust.
It also has great tooling and a package system. It's harder to learn. I actually haven't learned Rust yet. But I don't have that kind of experience you have.
Another reason I want to recommend Rust I saw a talk by a guy from Digital Ocean. So the guy said they run a Go shop, but started using Rust and it was very beneficial for them.
So I spend like 20 minutes of intensive search and actually found the talk.
Thanks for sharing, I'll try to watch it!
I thought about Rust but eventually I learned Go, very easy to learn and already deployed a few Go services to production.
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