My recommendations are Go or Python depending on your geographic market. In my area Python is there but not really desired where as Go is plastered everywhere.

My recommendations are Go or Python depending on your geographic market. In my area Python is there but not really desired where as Go is plastered everywhere. I personally haven't seen much in terms of Rust being a skill employers are looking for. I feel that the amount of stuff written in Go/Python is huge and those jobs won't being going away too soon so it should give you something to offer for some time.