Yago Oliveira contributed to the caelum/gnarus-api-assets repository by designing and integrating a dedicated icon for the CI/CD Flutter course, focusing on enhancing UI/UX and supporting course branding. He managed SVG assets and applied graphic design principles to update the asset pipeline, ensuring consistent visual identification across course modules. His work addressed the need for clearer course differentiation and improved user engagement by refining how icons are organized and maintained. Although the scope was limited to a single feature over one month, Yago demonstrated effective asset management and attention to branding requirements, leveraging his skills in SVG and graphic design throughout the process.