Which Backend language i should learn as a newbie?

Answer 1

Based on your interest. Which one do you feel confortable off.

Answer 2

Or Node.js? Seemed you have completed js :)

Answer 3

Based on what language ( python ) you have started that is a good starting place...

Answer 4

ShortCode while Node.js is a good choice it is an interpreter more than a backend

https://softwareengineering.stackexchange.com/questions/299152/is-node-js-a-framework