Aging Java back-end guy. Ironically although I got my github thinking I'd fill it with nifty stuff I'd do in Java on my own time, I've ended up sticking a load of JavaScript on it instead!
Can I suggest, if you're not getting due respect from your work colleagues, that you do things like speak at user groups and conventions, create and demo stuff that you're enthusiastic about outside work, and show off your skills. If your colleagues see it, and see other people giving you kudos, it might wake them up to their crappy attitude - and if not, you'll have raised your own visibility in the tech community to the point where headhunters might well come looking for you, to get you to join another company for more money.
In any case, it's pretty much best practice these days to change jobs every 2-3 years, so you don't get stagnant.
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Can I suggest, if you're not getting due respect from your work colleagues, that you do things like speak at user groups and conventions, create and demo stuff that you're enthusiastic about outside work, and show off your skills. If your colleagues see it, and see other people giving you kudos, it might wake them up to their crappy attitude - and if not, you'll have raised your own visibility in the tech community to the point where headhunters might well come looking for you, to get you to join another company for more money.
In any case, it's pretty much best practice these days to change jobs every 2-3 years, so you don't get stagnant.