Raoul focused on backend development and configuration management, delivering two features across the grafana/loki and grafana/alloy repositories. In grafana/loki, he implemented S3 chunk delimiter configuration to enable MinIO compatibility on Windows, addressing storage interoperability for enterprise deployments. For grafana/alloy, Raoul added Vault namespace-based authentication, allowing multi-tenant authentication flows for Vault Enterprise by updating core authentication logic and documentation. His work leveraged Go, AWS S3, and API integration skills to enhance operational reliability and security posture. The features addressed real-world deployment challenges, demonstrating depth in backend engineering and a clear understanding of enterprise storage and authentication requirements.