This is for the old timer banks, the ones that had their HQs built around that mainframe. Take newer fintech banks and you're in for a treat. Some of the backen

This is for the old timer banks, the ones that had their HQs built around that mainframe. Take newer fintech banks and you're in for a treat. Some of the backends are so janky it's only a matter of time before one screws up badly. Most of the effort goes into the app-polish because that's the visible part that makes it into the media.