[s-lambert]

And from his bio: "I've been coding professionally since 2014", that wasn't that long ago, I started around the same time and senior was definitely just as meaningless.

[suzzer99]

I've been coding since 1998. Wherever I've worked, 'senior' has always just meant 'doesn't need to be supervised'.

The standard pattern is to work 2 years as a junior developer, then jump ship for a senior job and double your salary.