most banks don't talk about this stuff, either since their tech is outdated or because they don't think customers are interested in improvements in this field.

most banks don't talk about this stuff, either since their tech is outdated or because they don't think customers are interested in improvements in this field. the new banks in the UK https://monzo.com/blog/ https://monzo.com/blog/ https://www.atombank.co.uk/blog https://www.atombank.co.uk/blog https://www.starlingbank.com/blog/ https://www.starlingbank.com/blog/ don't blog about their stack as much as you'd hope - but they do everything online.