Senior Data Warehouse & BI Backend Developer (m/w/d)
Core
Design, develop, and optimize ETL/ELT processes to build a multi-layered data warehouse architecture, ensuring reliable data quality and availability for reporting and business intelligence.
Role type
Senior Data Warehouse & BI Backend Developer
Builds
Multi-layered data warehouse architecture (raw, business, and mart layers) and reliable data pipelines for reporting and analysis.
Domain
Healthcare / Data Engineering
Deliverable
production ML models | product features | dashboards & analysis
Required skills
SQL, relational databases (PostgreSQL), ETL/ELT processes, Talend, data modeling, data quality assurance, data governance, version control, testing, deployment, technical documentation
Preferred skills
Experience with multi-layered data warehouse architectures, integration of diverse data sources, understanding of data history and mapping logic
Technologies
Talend, Qlik, PostgreSQL, Git, DBeaver
Responsibilities
Design and optimize ETL/ELT processes; develop and maintain data models, SQL views, and transformations; ensure data quality and consistency; document data flows and processing logic; manage production data loading processes; participate in data architecture and governance topics.
Seniority
Senior, hands-on IC