Not necessarily, what's happening is 2 things: - You're growing as a professional so you're worth more. But your current company doesn't necessarily see that,

Not necessarily, what's happening is 2 things: - You're growing as a professional so you're worth more. But your current company doesn't necessarily see that, some colleagues might still see you as the intern you were when you joined - The market of developer salary have been growing steadily for more than 10 years, but you can only capture that growth by changing jobs So if you've been working for 10 years, you could do about 3 years at each company and have a 30% increase each time - the point is that 10 years ago you were junior with a 2010 salary but today you're senior with a 2020 salary. Or course things could change if developers salaries stop growing (or even shrink).