>The other problem is most Sr.s don't want a Jr. coming in and making negative contributions. Sr.s are frequently the ones doing the interviews. They see most J

>The other problem is most Sr.s don't want a Jr. coming in and making negative contributions. Sr.s are frequently the ones doing the interviews. They see most Jr.s as "What's a computer?" level talent that will start fires in production systems. A system where a Jr can easily start fires is a system that's bound to fail. It means whatever you use for production is incredibly fragile and bound to be broken even by a more senior developer making a single mistake.