I've programmed dynamically typed langs (Perl, PHP, Python, Ruby, JS) and statically typed langs (C, Java, Dart). I've worked on teams for projects that grew a

I've programmed dynamically typed langs (Perl, PHP, Python, Ruby, JS) and statically typed langs (C, Java, Dart). I've worked on teams for projects that grew and matured, and my experience has been that strong typing and static analysis help prevent code defects that are common in dynamic langs. The tradeoffs can be well worth it for some kinds of larger team based projects.