During November 2025, Amigan contributed to the minio/minio-go repository by addressing inefficiencies in XML generation for lifecycle rule filters. Focusing on backend development with Go, Amigan improved the API’s XML handling by ensuring that empty Filter structs were not marshalled into XML output. This technical approach reduced unnecessary XML serialization, thereby lowering CPU and I/O overhead in XML-heavy workflows while maintaining backward compatibility. The work demonstrated a thoughtful application of API development and XML processing skills, resulting in cleaner output and more efficient resource usage. Amigan’s targeted fix reflects a careful, detail-oriented approach to backend engineering challenges.