Worked on the DataDog/dd-trace-rb repository to address a critical issue affecting observability in Rails 8.1 and newer applications. Focused on backend development using Ruby and Ruby on Rails, the work involved implementing a dedicated route recognition module to restore accurate http.route tagging during request processing. This fix ensured that Datadog tracing integration continued to provide reliable route-level insights for Rails applications, directly improving monitoring capabilities. The solution required a deep understanding of API integration and the evolving Rails router internals, resulting in a timely bug fix that maintained code quality and observability standards without introducing new features during the period.