Matheus Faria Moraes developed a user authentication system for the quay/quay repository, focusing on secure API access for endpoints requiring a fresh login. He designed and implemented support for both OIDC and SSO tokens, enabling flexible authentication options while maintaining strict access controls for sensitive APIs. Using Python and leveraging his skills in API development and backend authentication, Matheus validated new token flows and ensured clear commit traceability tied to project requirements. His work enhanced the authentication user experience and laid a foundation for future extensibility, addressing security needs without introducing major bugs during the development period.