Ask HN: International Standard for Programming in Safety-Critical Environments?
Why do most of us ignore those standards in safety-critical environments such as automotive, aviation, banking?
TUV and Exida offer training to become a certified practitioner, which is a requirement of the standard.
Warning, it's not your grandmother's software, there is no "move fast and break things", traditional application is waterfall and v-model, with full traceability.
My company was involved with a new mine winder, it was a bit more involved than usual, but from first inquiry until first use was around 8 years.