Data Quality Engineer - ETL/BI Testing (Freelance)

Airswift is seeking a Software Quality Engineer for a freelance engagement in The Hague (1-3 days per week). You will ensure the quality of large-scale data platforms, ETL pipelines and reporting solutions, with hands-on testing across ingestion, transformation and BI outputs.

Responsibilities include designing manual test cases, SQL-based validation, data reconciliation, and using Azure DevOps to track progress; work with Azure Data Factory, Databricks, and Data Lake; collaborate with data