Daniele focused on stabilizing MAC address handling in the juspay/diesel repository, delivering MacAddr8 support across the Diesel ORM, CLI, and PostgreSQL migrations. Using Rust and SQL, Daniele corrected unit-test assertions and updated test usage to ensure accurate MAC address conversions, improving data integrity and reducing migration drift. The work involved extending the Diesel CLI to recognize the macaddr8 type and aligning schema definitions for PostgreSQL version 8, which strengthened type safety across database layers. Through disciplined testing and schema management, Daniele’s contributions enhanced release reliability and minimized production risk, demonstrating depth in database migrations and cross-stack collaboration.