Senior Data Engineer

📍 Location: Gdańsk / Gdynia / Warsaw (hybrid) 🚀 Start: ASAP 💶 Rate: 35–45 EUR/h About the role We are looking for a Senior Data Engineer to work on a long-term project for a leading client in the banking industry.In this role, you will implement complex data requirements and build scalable solutions that support the client’s Financial Crime Prevention processes. Responsibilities • Build distributed Big Data processing pipelines handling large volumes of structured and unstructured data in near real-time • Develop streaming applications connecting multiple internal and external data sources • Transform and enrich data with Apache Spark for analytics, visualization, and search • Deliver clean, high-quality datasets for downstream systems • Work closely with DevOps, QA, and Product teams in a Continuous Delivery environment Requirements • Experience with Big Data / ETL / SQL / Data Testing (Senior level) • Expert-level Scala • Expert-level Spark and Spark SQL • Practical experience with distributed, large-scale data systems Recruitment process • First interview: Conversation with our Talent Team • Technical interview: Discussion with one of our developers • Final interview: Meeting with the CTO