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Tag: Data Engineering

Getting the Airflow 3 DAG Authoring Certification

A few years ago I took the Astronomer DAG Authoring certification for Airflow 2. Airflow has moved on a lot since then, so in November 2025 I sat the updated Airflow 3 DAG Authoring exam.Here is what changed, and a money-saving tip if you want … Read more »

Getting the Astronomer Airflow DAG Authoring Certification

Between the Google Cloud certifications I took some time to get more comfortable with Apache Airflow, so I went through the Astronomer DAG Authoring for Apache Airflow course and exam. As usual I kept all my notes in a public repo:ovimihai/airflow-cert-dag-authoring.And yes — I passed … Read more »