Data QA Engineer — ETL/Big Data & Cloud Validation

Everience; Rotterdam; On-site; EUR 65,000 - 90,000; Full time

Job summary

Everience in Rotterdam seeks an experienced IT Software Quality Engineer to drive QA across complex data platforms and cloud ecosystems, with a focus on ETL and Big Data testing. You will implement data validation, SQL testing, and test automation, collaborating with cross-functional teams to ensure data accuracy and reliable pipelines across Azure Data Factory, Databricks, and Data Lake Gen2.

This role offers opportunities to shape quality standards, manage defects, and contribute to

Qualifications

• Bachelor's or Master's Degree in Computer Science, Information Technology, Data Engineering, or related technical discipline.
• Experience in ETL testing and data validation across complex data pipelines is required.
• Strong SQL and data reconciliation capabilities.
• Experience with test planning, execution, and reporting across BI and data platforms.
• Familiarity with Azure data services and cloud testing practices.

Responsibilities

• Perform end-to-end testing of ETL and Data workflows.
• Validate data extraction, transformation, and loading processes.
• Conduct data reconciliation and cross-system validation activities.
• Ensure data quality, completeness, consistency, and accuracy across source and target systems.
• Analyze requirements and create detailed test scenarios and cases.
• Develop test strategies and ensure coverage across releases.
• Execute functional, integration, system and regression testing.
• Maintain automated data validation frameworks using Python, PySpark, and Pandas.
• Validate pipelines on Azure Data Factory, Databricks, and Data Lake Gen2.
• Perform API testing where applicable and manage defect lifecycle.

Skills

ETL Testing / Big Data Testing

Manual Testing

BI / Reporting Validation

Advanced SQL

Data Validation and Reconciliation

End-to-End Test Lifecycle Management

Azure DevOps

ETL Frameworks and Processes

Education

Bachelor's or Master's Degree in Computer Science / Information Technology / Data Engineering

Tools

Python

PySpark

Pandas

Azure Data Factory (ADF)

Azure Databricks

Azure Data Lake Gen2

Postman

Job description

Everience in Rotterdam seeks an experienced IT Software Quality Engineer to drive QA across complex data platforms and cloud ecosystems, with a focus on ETL and Big Data testing. You will implement data validation, SQL testing, and test automation, collaborating with cross-functional teams to ensure data accuracy and reliable pipelines across Azure Data Factory, Databricks, and Data Lake Gen2.

This role offers opportunities to shape quality standards, manage defects, and contribute to