Senior Data Engineer

Job description

We are looking for a Senior Data Engineer with a Platform focus to take a leading role in the architecture and evolution of our internal Data Platform. You'll operate as a domain expert — designing scalable open-source platform infrastructure, defining standards adopted across the team, and mentoring engineers around you. This is a senior individual contributor role with real technical influence: you'll produce Architecture Decision Records, drive reliability initiatives, and shape the platform roadmap. At the same time, you'll stay close to the data engineering craft — contributing to data pipeline design, governance standards, data quality practices, and the broader data infrastructure that analysts and scientists depend on every day. This is a fully in-office role based in Kraków Responsibilities: Platform Architecture & Infrastructure: Design scalable, resilient platform architectures using open-source technologies Define IaC, Kubernetes, and Docker standards adopted across the platform team Architect and deliver platform microservices with well-defined interfaces Lead evaluation and adoption of open-source query engines and table formats Define strategies for compute and stora...