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 »
After getting the Associate Cloud Engineer certification I wanted to go deeper on the data side, so I went for the Professional Data Engineer exam. As usual I kept all the materials I gathered in a public repo:ovimihai/google-cloud-data-engineer-training.Here is the short version of how it … Read more »
A while ago I decided to get certified on Google Cloud, and I kept all the materials I gathered along the way in a public repo:ovimihai/google-cloud-associate-training.If you are thinking about doing the same, here is the short version of how it went.The learning pathsI didn’t … Read more »
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 »