Staff Big Data Engineer — AWS/Spark Data Migration Lead

Grid Dynamics Poland is seeking a Staff Big Data Engineer to lead a critical data migration project from on-premise systems to a modern cloud-native AWS architecture in Warsaw. You will architect scalable data pipelines with Python, Spark, and Airflow, run Spark jobs on Kubernetes, and ensure security and governance across the Hadoop and AWS stack, mentoring senior engineers along the way.

Ideal candidates bring 8+ years of data engineering experience, deep AWS expertise, and production work