Worked on the quarkusio/quarkus repository to deliver Partial Update (PATCH) support for Quarkus Routing, enabling REST endpoints to handle partial resource updates. Implemented the missing PATCH HTTP method in the routing layer using Java, addressing a previously reported defect and expanding the framework’s RESTful capabilities. Added comprehensive tests to verify PATCH endpoint functionality and prevent future regressions, thereby improving reliability and maintainability. Focused on backend development and REST API design, the work enhanced API flexibility for clients by reducing payload sizes and round trips, contributing to a more efficient and adaptable developer experience within the Quarkus ecosystem.