This post is the Executive Summary of my 8-part long-form series: *Learning Path to Become a Core Banking Developer** originally published on my blog.*
Who is a Core Banking Developer?
A Core Banking Developer is a software engineer responsible for building, operating, and extending the system that processes all of a bank's core financial operations — from managing accounts, processing money transfers, and calculating interest rates, to ensuring every single penny is recorded with absolute accuracy.
Unlike a typical developer, a mistake for a Core Banking Developer doesn't just mean a 404 error page — it means customers' money being lost, duplicated, or the general ledger becoming unbalanced. This intense pressure defines their entire approach to writing code and designing systems.
Why is this field special?
