Alessandra Romero focused on deprecating and removing the Elastic Transcoder service from both the boto/botocore and aws/aws-cli repositories, ensuring a seamless transition aligned with AWS’s deprecation timeline. She systematically eliminated all related client code, configurations, endpoints, and documentation, using Python and JSON to update backend logic and user-facing materials. Her approach emphasized thoroughness, addressing not only code but also tests and changelogs to prevent confusion for end users. By coordinating changes across repositories and leveraging her expertise in API development and cloud services, Alessandra delivered a clean, maintainable codebase that minimized support overhead and maintained service integrity.