Data Validation and Quality Assurance Lead | Excelerate Analytics Team
Led data validation and label quality assurance for large volumes of structured datasets, applying detailed annotation guidelines to flag structural errors, formatting inconsistencies, and logical discrepancies. Automated first-pass quality checks using Python scripts to tag problematic records with specific error categories before manual review. Maintained traceable annotation logs documenting each flagged record, error type, and resolution to ensure reproducibility across the dataset lifecycle. • Reviewed and annotated high-volume structured data batches for QA • Applied guideline interpretation to detect edge cases and inconsistencies • Documented labeling decisions and error resolutions for audit trail • Coordinated with a remote cross-functional team to align labeling standards and resolve ambiguities