Senior Data Warehouse & BI Backend Developer (m/w/d)
Core
Designing, developing, and optimizing ETL/ELT processes to build a multi-layered data warehouse architecture that serves reporting, analysis, and business intelligence needs for a medical laboratory network.
Role type
Senior Data Warehouse & BI Backend Developer
Builds
Multi-layered data warehouse architecture (raw, business, and mart layers) and reliable data pipelines for business-critical reporting.
Domain
Healthcare / Data Engineering
Required skills
SQL, PostgreSQL, ETL/ELT process design, Data modeling, Data quality assurance, API integration, Version control, Technical documentation
Preferred skills
Data governance, Data architecture, Business intelligence structures
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 through validation and error analysis; Document data flows and processing logic; Manage controlled production deployments of data loads.
Seniority
Senior, hands-on IC