Carlos de Cozar Ruiz-Salinas contributed to the IT-Academy-BCN/ita-challenges-backend repository by enhancing project governance through a targeted documentation update. He added himself to the contributors list using Markdown, ensuring accurate recognition and traceability of project ownership. This change did not affect runtime logic but improved the clarity of contributor roles and supported long-term project hygiene. Carlos focused on disciplined Git workflows and precise documentation practices, maintaining codebase stability without requiring bug fixes during the period. His work established a clear baseline for future contributor management, demonstrating attention to process and detail in backend repository maintenance and governance practices.