Mariell contributed to the grafana-plugin-sdk-go and grafana/falco repositories, focusing on stability, modernization, and release engineering. In grafana-plugin-sdk-go, Mariell upgraded HAR handling by migrating JSON processing to Go’s encoding/json, streamlining marshaling logic and improving compatibility for plugin developers. For grafana/falco, Mariell unified versioning across CI/CD pipelines using CMake and Docker, enhanced packaging workflows, and optimized resource management by refining restart handler logic. These changes improved release reliability, reduced maintenance overhead, and addressed operational risks in constrained environments. Mariell’s work demonstrated depth in system programming, dependency management, and build system configuration, delivering maintainable solutions to complex engineering challenges.