Senior Data Engineer
Posted Updated
Summary
Senior Data Engineer building production-grade data pipelines (SQL, Python, graph and NoSQL databases, cloud services, CI/CD) on a long-term project at one of the world's largest banks, via staffing firm Verita HR. Hybrid role based in Kraków with 6 office days per month, on a B2B contract.
- Prestigious position at one of the world’s largest banks
- Stable, long-term projects
- Competitive salary with a B2B contract
- Hybrid work (6 days per month from the office in Cracow)
- Private healthcare and multisport card
- Personal growth and development opportunities with the possibility to rotate between projects
– Strong SQL skills: complex transformations, relational modelling, query-plan analysis and optimisation
– Hands-on experience with graph databases and knowledge graphs, including ontology and entity/relationship modelling
– Practical experience designing NoSQL data models (partitioning, indexing, consistency trade-offs)
– Strong Python skills (or equivalent) for orchestration, transformation and testing
– Experience building reusable pipeline frameworks across multiple sources or domains
– Good understanding of batch and event-driven processing, incremental loads, idempotency and backfill strategies
– Experience with structured and unstructured data, including document content and metadata
– Solid knowledge of data quality, schema evolution, lineage and data lifecycle management
– Experience with cloud data services, orchestration tools, CI/CD and monitoring
– Clear communication and experience working across engineering, architecture and business teams