20+ years of experience as a prima donna who refuses to work with others and can't even discuss code with another programmer isn't very impressive. With that a

20+ years of experience as a prima donna who refuses to work with others and can't even discuss code with another programmer isn't very impressive. With that attitude, the experience wouldn't be enough to qualify someone for an entry-level junior developer position anywhere that I've worked. In my experience, programmers who don't want anyone else to see their code and aren't willing to discuss it have good reason to hide it.