Senior ETL & Data Warehouse QA (Healthcare)

UpWia, acting as a sourcing partner, seeks a data validation engineer to test ETL/ELT pipelines across Bronze/Silver/Gold healthcare datasets. You will write SQL queries and Python scripts to validate source-to-target mappings, perform quality checks, and collaborate with data engineers. H-1B and H4 EAD candidates are welcome; 11+ years in data/ETL testing and experience with Snowflake/Oracle/SQL Server/PostgreSQL are preferred.