The Technology Stack — DU, Collateral Underwriter, and the AI Transformation

Former CEO Priscilla Almodovar described Fannie Mae as "a tech company that happens to be in mortgage credit," and the technology platform genuinely is core to the business. Desktop Underwriter alone touches the majority of conforming U.S. mortgage applications. In 2025, Fannie Mae partnered with Palantir on an AI-powered Crime Detection Unit and issued LL-2026-04, the first sector-specific AI governance mandate in mortgage origination. This module gives candidates the technology context to credibly discuss what they'd actually be building.