This is a living list of resources on non-developer topics geared towards developers.
ACH
https://engineering.gusto.com/how-ach-works-a-developer-perspective-part-1
EDI
https://www.webascender.com/blog/edi-asc-x12-documents-introduction-developersr/
Genomics
https://gist.github.com/andy-thomason/f304850bdf20d2cd2ecbb042d81b5e54