Data Annotation & Quality Review Specialist (Freelance)
Provided freelance data annotation and quality review for machine learning datasets using structured guidelines. Performed accuracy checks to validate label consistency, completeness, and correctness before use. Identified dataset issues such as errors, duplicates, and inconsistencies to improve annotation quality. • Reviewed and categorized digital content per provided guidelines • Labeled and organized data for ML use • Conducted accuracy checks to ensure dataset consistency • Flagged errors, duplicates, and inconsistencies during QA