Douglasz Wrote: To ne honest i only know C# but what other languages should i learn?
I'm guessing you mostly do Windows apps with C#? If so I'd look at languages for different types of skills, so for:
Data Work/General Scripting: Python Web: Javascript/NodeJS (or Typescript as you've done C#) High Performance Apps/Low level: C++
As I said, my go to now is Python because it can deal with everything really - but I also don't work in consumer facing software so take my suggestions as leaning more towards back-end/web stuff.