I’m 45. I didn’t start aggressively job hopping until I was 35, before then I stayed at one job for almost 10 years. I haven’t once had a problem finding a job quickly. I was a generalist when I was 35 and started down the road of specializing in the Microsoft stack in 2008. I start pivoting in 2016 to more architect level roles but still staying hands on but with more cross platform languages (.Net Core, Node, Pytho…
They don't seem to have the same age bias as these startupy nodejs/react firms, and they pay just as well.