Personal growth is something you really have to do personally. In my team the developers are supposed to volunteer to work on stuff they have not worked with be

Personal growth is something you really have to do personally. In my team the developers are supposed to volunteer to work on stuff they have not worked with before. We need to update our deployment pipeline and you have never worked with AWS before? Go for it! Once they do, you can always do a bit of pair programming, but nothing really helps you grow more than the hands-on experience.