Data Tester (Snowflake, D365, Migration Projects)Initially 6 months daily rate contractDublin City Center ( min 2 days onsite)Key ResponsibilitiesPerform detailed data validation and reconciliation across legacy and target systems, ensuring completeness and accuracy during migration.Develop and execute test cases for data, integration, regression, and service-oriented testing, both manual and automated.Collaborate with cross-functional teams to define data mapping and transformation rules, supporting successful migration to Snowflake and D365.Conduct ETL testing using tools such as Azure Data Factory and SSIS, validating data pipelines and transformation logic.Validate entity structures and data loads within Microsoft Dynamics 365Identify and report data anomalies, duplicates, and inconsistencies using analysis tools.Maintain clear documentation of test plans, results, and defects using tools like Azure DevOps and JIRA.Participate in agile ceremonies and contribute to realistic planning and delivery timelines in hybrid work environments.Technical CompetenciesMinimum of 5 years QA and software testing experienceStrong proficiency in SQL for data interrogation and validation across Snowflake and SQL Server.Experience with Snowflake features including virtual warehouses would be an advantageFamiliarity with Microsoft Dynamics 365 data structures and Data Service (Dataverse).Experience with ETL tools (e.g., Azure Data Factory, SSIS) and cloud-based data testing.Knowledge of data migration lifecycle, including source analysis, mapping, transformation, and post-load verification would be an advantageExposure to test automation scriptingCompetence in using test management and defect tracking tools (e.g., JIRA, Azure DevOps, Testrail).Understanding of data governance and compliance standards (e.g., GDPR).