Francesca Petrei contributed foundational engineering work to the pcm-dpc/DPC-Mappe repository, focusing on reliable map data ingestion and future file upload capabilities. She established the initial scaffolding for file uploads, structuring the codebase to support user-driven data workflows in upcoming sprints. Using her expertise in Data Management and GeoJSON, Francesca refined the Campi scuola 2025 dataset by correcting coordinates, updating naming conventions, and improving formatting to ensure data integrity and consistent map rendering. Her structured commits and clear traceability laid the groundwork for faster feature delivery, demonstrating thoughtful planning and attention to data quality within a short timeframe.