We're looking for a Senior Data Engineer (Python/Tableau) to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design and optimize SQL-driven data transformations, develop scalable ETL/ELT pipelines, and contribute to enterprise data models supporting analytical, financial and regulatory reporting.This position provides an opportunity to work in a dynamic financial environment, partnering with cross-functional teams to deliver clean, reliable datasets while leveraging automation, BI optimization and engineering best practices for high-impact business intelligence enablement.ResponsibilitiesDevelop and optimize complex SQL transformations to support analytics and reportingDesign and extend enterprise data models (Data Vault, dimensional, 3NF) and maintain standardsImplement data quality checks, validation logic and SQL testing frameworksBuild and operate SQL-centric ETL/ELT pipelines, applying optimization and reliability principlesUse Python for automation, API integrations and workflow enhancementStructure datasets for consumption in BI tools (Tableau,



Power BI), assisting with performance and governancePartner with business stakeholders in finance, risk and compliance to translate requirements into data solutionsEnsure monitoring, observability and operational stability of pipelines in production environmentsFollow engineering best practices including version control, documentation and CI/CD integrationContribute to platform improvement, performance tuning, and architectural roadmap initiativesRequirementsBachelor’s/Master’s degree in Computer Science, Information Systems or related fieldMinimum 5+ years of experience in SQL-centric data engineering or backend rolesExpert-level experience in SQL development including query optimization and tuningStrong background in data modelling techniques: Data Vault, dimensional, SCD and 3NFHands-on experience in building SQL-driven transformations and scalable data solutionsPractical knowledge of

📌 Senior Data Engineer (Madrid)
🏢 EPAM Systems
📍 Madrid