Senior IT Software Quality Engineer – Data & ETL ( M/F/H )

September 3, 2026

Remote

Senior

Rotterdam, Netherlands

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English is required

Description

We are seeking a Senior Software Quality Engineer focusing on data platforms, ETL processes, and cloud ecosystems. The role involves end-to-end testing of data flows, validation of complex transformations, advanced SQL analysis, and contributing to test automation with Python and PySpark. You will work with Azure data services and ensure quality across entire data pipelines.

Responsibilities

Performing end-to-end testing of ETL and data workflows
Validating extraction, transformation and loading processes
Performing data reconciliation and cross-system validation
Checking data quality, completeness, consistency and accuracy
Developing detailed test scenarios, test cases, and comprehensive test strategies
Performing functional, integration, system and regression testing
Using advanced SQL for data validation and analyzing complex transformations
Developing and maintaining reusable automation utilities and frameworks
Validating data pipelines within modern cloud-based data platforms (Azure)
Performing API and integration testing to validate data exchange between systems
Identifying and documenting defects, analyzing root causes and ensuring correct closure
Reporting on test progress, quality metrics, risks, and blockers to stakeholders

Requirements

Several years of experience as a Software Quality Engineer, Data QA Engineer, Data Test Engineer, ETL Test Engineer or in a similar role
Demonstrable experience with ETL Testing / Big Data Testing
Strong experience with manual testing
Experience with BI and reporting validation
Advanced knowledge of SQL
Experience with data validation and data reconciliation
Experience with the complete end-to-end testing lifecycle
Experience with Azure DevOps
Good knowledge of ETL frameworks and processes
Hands-on experience with: Postman
Hold a Bachelor's or Master's degree in Computer Science, IT, Data Engineering, Software Engineering or comparable

Conditions

Challenging procurement role within an international and growing organization
The opportunity to influence sourcing and procurement decisions across the business
A collaborative and diverse working environment
Exposure to complex supplier, stakeholder and procurement networks

SQLAzure DevOpsPostmanPythonETL TestingdataPySparkPandasAzure Data Factory

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