Kai Tillman contributed to the gravitee-api-management repository by implementing Edge Stack integration support, enabling the platform to recognize and manage Edge Stack as a new provider through updated configuration, service mappings, and UI elements. He addressed a bug in API Federation by correcting JWT plan type mappings, restoring federation functionality for JWT-based API plans. In gravitee-platform-docs, Kai enhanced the Ambassador Edge Stack Quick Start guide, reorganizing YAML license secret elements and clarifying onboarding steps to improve user experience. His work leveraged TypeScript, YAML, and Shell scripting, demonstrating depth in backend integration, documentation, and cross-system configuration within a Kubernetes environment.