Hybrid Data Engineer: Scala/Java & Spark in Banking Backend

Sii Poland in Warsaw is seeking a skilled Data Engineer to join our team. You will modernize the backend data processing platform for an investment bank, building scalable pipelines with Scala and Spark in a hybrid work model with 2-3 days in the office each week.

You will work on ETL/ELT processes, Java-based components, and performance tuning for Spark workloads while collaborating with cross-functional teams to deliver robust data solutions.