Dorian de Koning contributed backend enhancements to thomaspoignant/go-feature-flag by implementing HTTP monitoring endpoints for Unix socket mode, enabling health checks and metrics scraping compatible with Kubernetes and Prometheus. This work improved observability and operational reliability for feature-flag services in production environments. Dorian also upgraded the go-feature-flag dependency within open-feature/go-sdk-contrib, enhancing in-process provider flagging capabilities and ensuring stable integration across the repository. Throughout both projects, Dorian applied skills in Go, API development, and dependency management, focusing on robust engineering practices and maintainable code. The work demonstrated depth in backend systems and attention to production monitoring requirements.