Data QA Analyst

Blend360

📍 Santiago Province, Santiago Metropolitan Region, Chile

full-time Mathematical Science Occupations

Job Description

Job Description

What is this position about?

  • Validate data accuracy and ensure production readiness by working closely with the Data Engineering Manager and Analytics Engineering Lead across 18 data domains.
  • Design and build a reconciliation framework to systematically compare legacy pipeline outputs against new pipeline outputs, identifying discrepancies and gaps.
  • Execute structured acceptance testing for each pipeline prior to promotion to production environments.
  • Validate identity resolution accuracy through rigorous analysis of match rates, false positives, and false negatives.
  • Document end-to-end data lineage across all 18 domains to support auditability, transparency, and regulatory compliance.
  • Build and maintain automated regression test suites to enable continuous quality assurance as pipelines evolve.

Qualifications

  • Expert-level SQL skills, with demonstrated ability to...
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