95% of all global ATM transactions are processed by COBOL probably running some sort of unix on mainframes. 100 billions lines of COBOL code is in production; 1 billion lines of code added every year to add new features or fix older ones. It is crazy how older stuff still works
— nixCraft: The Best Linux Blog In the Unixverse (@nixcraft) April 29, 2018
COBOL engineers are paid more than ‘NodeJS’ and other cool dude/dudettes – talk of demand, supply and usefulness!