The places that need to replace COBOL devs aging out of the work force with apps still running are among the places least likely to practice age discrimination to start with (and even if they were inclined to, there's not a pipeline of fresh out of college/bootcamp COBOL devs.)
(C#/Java have lots more opportunities at the same type of workplaces, so aren't bad choices but also lots more competition at all experience levels and from more traditional career paths; still, late-entrants with relative domain expertise can be quite competitive with pure programmers.)
(C#/Java have lots more opportunities at the same type of workplaces, so aren't bad choices but also lots more competition at all experience levels and from more traditional career paths; still, late-entrants with relative domain expertise can be quite competitive with pure programmers.)