I've actually seen the opposite in my own job searches (though I'm admittedly not actively searching for Node jobs); outside the tech bubbles, the programming jobs are mostly around enterprise stuff, which is far more likely to be centered around either the JVM or the .NET CLR. Rails is actually starting to catch on in these sectors, since it's gradually becoming "legacy" (which translates to "actually tried and true in production") while Node becomes the new hotness.