Case Studies

Systems we actually shipped

Long-form write-ups of real engagements — the constraint we ran into, the architecture we chose, the things we deliberately did not build, and what the numbers looked like afterwards. Every one carries an engineering deep dive for your technical people and a PDF you can forward to everyone else.

7 case studies written from the code, not from a brief

Three screens, three revenue numbers, all correct

Five years of financial reporting re-platformed onto an append-only revenue ledger, migrated one tenant at a time behind a feature flag, with the old query path a boolean away throughout.

1
shared definition of revenue, not 19
46
endpoints across 9 report families
5
years of history replayable on demand
of drift before an engineer is paged
18 min read PDF Read the case study