Freelance Data Researcher & Annotation Specialist (Remote)
Performed manual verification and correction of structured company records using public online sources. Reviewed company names, websites, ownership details, and operational information to ensure consistency across datasets. Annotated and organized structured fields in spreadsheets while validating the accuracy and completeness of each entry. • Verified legal entity details and flagged inconsistencies • Used web/OSINT research to support label decisions • Maintained confidentiality and followed project labeling guidelines • Managed Excel-based labeling workflows and highlighted verified fields