Being a senior developer doesn't mean getting a large salary or being appreciated in the office. It means belonging to an elite group of developers who know how to do certain things and can do them. If you want to be senior, think again about open source contribution, about StackOverflow participation, about conferences and certifications. Without that, you are just yet another programmer, one of a million.
The full video is here: https://youtu.be/Y_IUzt-Oyww
yegor256 podcast