Worked on enhancing reliability and observability for the dagster-io/dagster repository by addressing a key issue in EMR Serverless integration. Focused on backend development using Python, the work involved fixing a bug where the EMR Serverless Pipes client incorrectly read the CloudWatch log group name, causing logs to default to the standard group rather than a custom configuration. The solution required careful API integration and AWS configuration parsing, followed by manual validation against custom log group setups. This improvement ensures that logs are correctly streamed to the intended CloudWatch group, reducing troubleshooting time and improving operational clarity for users.