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# Data Tester

- **Company:** WA Consultants
- **Location:** London, UK
- **Salary:** £104,000.0 - £117,000.0
- **Contract:** Temporary contract
- **Skills:** Agile Methodology, Automation of Tests, Microsoft Azure, Data Validation, Data Governance, Extract Transform Load (ETL), Database Queries, Python (Programming Language), Standard Sql, Azure Data Factory, Apache Spark, Microsoft Fabric, Pyspark, Data Pipelines
- **Published:** August 1, 2026
- **Apply:** https://www.careerboard.com/pt/en/find-jobs-in-United-Kingdom/-592943D3995EEB16D5/

## About the Role

* Commercial Data Tester or ETL Tester experience.
 * Strong ETL/ELT testing experience.
 * Strong SQL skills.
 * Experience validating data pipelines.
 * Experience reconciling source and target data.
 * Experience executing functional and data validation testing.
 * Agile experience.

Technical Environment

 * Microsoft Fabric
 * Azure Data Factory
 * SQL
 * Python
 * PySpark
 * Apache Spark

Desirable Skills

 * Experience introducing test automation.
 * Data quality frameworks.
 * Reporting and analytics testing.
 * Azure DevOps.

## Description

We are seeking an experienced Data Tester with a strong banking and investment management background to validate reporting and analytics data solutions within a modern Microsoft Fabric data platform. This role is 4 days onsite 1 day remote in Central London

Working alongside Data Engineers and Data Architects, you will validate source-to-target data movement, verify business rules and transformations, perform reconciliations, and ensure the quality and integrity of reporting data. The initial focus will be on functional and data validation rather than test automation., * Test end-to-end data pipelines.

 * Validate source-to-target transformations and business rules.
 * Verify data quality and integrity.
 * Perform reconciliations.
 * Execute regression, integration and functional testing.
 * Work with Data Engineers to resolve defects.
 * Support the gradual introduction of test automation where appropriate.
 * Participate in Agile delivery.


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