[StaticRedux]

As a generalist developer nearing 40, I worry about this all the time. I have extensive and valuable experience in certain areas, including management, but I have started investigating other directions I can take my career and more focused specialities I can pursue to extend my shelf life, because it's seems pretty clear that it's not really viable to continue my current path.

[tyingq]

It is less of a problem if you focus on the IT departments of non-tech companies. Still exists, but nowhere near the same degree.