Asger worked on improving the stability of GraphQL response handling in the DataDog/dd-trace-go repository, focusing on error handling and robustness in Go-based services. He addressed a critical issue where empty GraphQL responses could trigger panics or nil pointer dereferences, refactoring the test server’s configuration and execution logic to better manage these edge cases. By enhancing test coverage for empty-response scenarios and refining error paths, Asger reduced the risk of runtime failures and improved observability. His work leveraged Go, GraphQL, and testing best practices, demonstrating a thoughtful approach to maintaining reliability in distributed tracing infrastructure.