Chapter 14. Iowa Student Loan

Iowa Student Loan is a financial services company that pushes the ideas of Specification by Example to the limit. They’re an interesting case study because their living documentation system gave the business a competitive advantage. It enabled them to efficiently deal with a major business model change.

The Iowa Student Loan development team builds and maintains a complex system, from the public website, which takes loan requests, to the back-office systems for underwriting and origination. Apart from that, the main driver of complexity on their projects is the data-driven nature of the domain.

I interviewed Tim Andersen, Suzanne Kidwell, Cindy Bartz, and Justin Davis, who worked on several different projects ...

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