Worked on the Gitea repositories, focusing on backend and API development using Go, OpenAPI, and NuGet. Delivered a feature to enhance NuGet API parity in wxiaoguang/gitea, adding support for package icons and missing attributes to improve package display in Visual Studio. Addressed API workflow response modeling by correcting data structures and refining OpenAPI models for greater reliability. In go-gitea/gitea, implemented a fix to milestone completion logic, ensuring closed milestones with no issues display as 100% complete, which improved milestone tracking accuracy. Demonstrated attention to data integrity and user experience through precise backend and database management solutions.