Astronomer, the commercial developer of Apache Airflow, offers a certification program for professionals looking to validate their skills with this increasingly essential data pipeline tool. The certification, created by Marc Lamberti, Head of Customer Training at Astronomer, aims to equip data engineers with the ability to build and manage data pipelines using Airflow, thereby enhancing their career prospects. With over 3,000 registrations for both the exam and preparation course, and more than 700 successful certifications issued, the program has gained popularity among both experienced users and newcomers. The course helps participants assess their current skills, refresh their foundational knowledge, and demonstrate their proficiency to potential employers. The certification exam requires a passing score of 80% and allows for a free retake after one month if needed. Feedback has been largely positive, with participants appreciating the comprehensive preparation course and the opportunity to showcase their achievement on platforms like LinkedIn.