If you already know Python, Java and Dart, Go will be a breeze, so you can learn it anyway. If you want something challenging and practical, I recommend Rust.

If you already know Python, Java and Dart, Go will be a breeze, so you can learn it anyway. If you want something challenging and practical, I recommend Rust. It'll be much faster and easier to parallelize than the languages you've worked with, which may open up new possibilities for you.