Senior Data Engineer (Snowflake)

Nasze wymagania: Proven experience as a Senior Data Engineer Strong hands-on experience with Snowflake (performance tuning, query profiling, optimization) Solid experience with dbt Very strong SQL skills Good programming skills in Python Experience building and maintaining scalable ELT pipelines Experience with large-scale data processing (e.g. Apache Spark) Experience with cloud platforms (AWS preferred) Strong understanding of data modeling (especially for analytics / warehouse use cases) Ability to design solutions independently and work with ambiguous requirements Understanding of trade-offs, scalability, and system reliability Zakres obowiązków: Design, build, and own scalable, production-grade data pipelines and architectures from scratch Develop and optimize ELT processes in Snowflake, integrating data from multiple sources (APIs, databases, external providers) Model and maintain well-structured, performant data warehouse solutions in Snowflake Ensure data quality, reliability, and robustness (e.g. handling failures, deduplication, late-arriving data) Collaborate with analysts and stakeholders to translate unclear business problems into scalable data solutions Continuously optimize performance and cost (query tuning, warehouse sizing, clustering) Build and maintain data services / APIs enabling reliable data access across systems Take ownership of solutions in production, including monitoring, debugging, and improvements Evaluate and introduce tools (especially within dbt + Snowflake ecosystem) to improve the platform Oferujemy: 100% remote work Long-term, stable cooperation Private healthcare and Multisport Real influence on technical decisions and architecture Work on production systems at scale, with real impact Environment where ownership and senior-level thinking are expected and valued