Job hopping comes with significant salary raise, that's usually the point. If your hop doesn't come with 20%+ raise, you just hopped wrong. After 1.5-2 years repeat. It compounds.
It's not really skill dependent. I mean of course you need some skill, but the point is that the raise comes for the skill you already have, why the employers are willing to shell out more.
It's not really skill dependent. I mean of course you need some skill, but the point is that the raise comes for the skill you already have, why the employers are willing to shell out more.