At Lastminute.com, we use Apache Airflow, managed through Google Cloud Composer, to orchestrate complex workflows. This article explores why we chose Composer as our Airflow distribution, how we use it to schedule a wide range of tasks, and how we organize files and resources to ensure scalability and maintainability. Additionally, we delve into our CI/CD practices, highlighting how we test workflows and manage costs, offering insights for teams seeking efficient and reliable data orchestration at scale in big tech company. [...]