Mike Fulli maintained and enhanced the Holvi data import pipeline for the TampereHacklab/mulysa repository, focusing on adapting the import logic to Holvi’s updated 2025 export format. He updated header handling to ensure compatibility with new file structures and improved error handling by modifying date parsing to catch missing keys, increasing robustness against incomplete data. Using Python and leveraging skills in data import, file handling, and testing, Mike delivered precise, test-backed changes with clear commit traceability. His work addressed both feature adaptation and bug resolution, demonstrating a methodical approach to maintaining reliability in evolving data integration workflows.