During April 2025, Donia worked on the derailed/cilium repository, focusing on backend development and code refactoring using Go. She optimized reserved label detection by refactoring the FindReserved function to return a LabelArray instead of a Labels map, directly addressing a longstanding TODO in the codebase. This change improved performance by enabling faster lookups and reducing runtime overhead in label processing, while also simplifying the API surface for future maintainability. Donia’s work demonstrated a strong understanding of Go, backend architecture, and performance-oriented refactoring, resulting in a cleaner and more efficient approach to handling reserved labels within the project.