Senior Data Quality Engineer - ETL, SQL & Cloud Testing

Appsierra Group; Utrecht; On-site; EUR 55,000 - 75,000; Full time

Job summary

Appsierra Group is seeking an experienced IT Software Quality Engineer to ensure data quality across complex data platforms, ETL pipelines, and cloud-based ecosystems in the Netherlands. The role focuses on test planning, execution, and reporting with a strong emphasis on ETL testing, data validation, and API testing.

The ideal candidate has advanced SQL skills, manual testing experience, and familiarity with Azure DevOps.

Qualifications

• Must have strong ETL/Data testing experience.
• Advanced SQL skills required.
• Manual testing experience required.
• Experience with Azure DevOps for test planning/execution and CI/CD workflows.
• Good understanding of ETL frameworks and data platforms.

Responsibilities

• Plan and execute data quality tests across ETL pipelines.
• Perform SQL data analysis to validate data accuracy.
• Develop and maintain automated tests for data validation and APIs.
• Coordinate testing across cloud/data platform environments (Azure).
• Collaborate with stakeholders to report defects and ensure data quality.

Skills

ETL Testing

SQL

Manual Testing

Agile

Test Automation

APIs

Data Validation

Tools

Azure DevOps

Azure Data Factory

Databricks

Python-based test automation

Job description

Appsierra Group is seeking an experienced IT Software Quality Engineer to ensure data quality across complex data platforms, ETL pipelines, and cloud-based ecosystems in the Netherlands. The role focuses on test planning, execution, and reporting with a strong emphasis on ETL testing, data validation, and API testing.

The ideal candidate has advanced SQL skills, manual testing experience, and familiarity with Azure DevOps.