Data Engineer: PySpark & Spark Optimization (Hybrid, Kraków)

Vertex Agility in Kraków is seeking an experienced Data Engineer to join a team focused on building and optimizing high-performance data processing solutions. You’ll transform experimental code into scalable, reliable production workflows using PySpark and SQL.

The role emphasizes Spark performance tuning, Hadoop ecosystem work (YARN), and data pipeline design. Hybrid work arrangement requires 6 days/month in the office; private medical care and long-term projects are offered.