Freelance AI Data Specialist / AI Data Contributor (Remote)
Freelance AI Data Specialist supporting AI model improvements by annotating and evaluating English datasets. Work included completing structured labeling tasks and performing quality review to reduce errors and maintain guideline compliance. The role required consistent accuracy in repetitive workflows and careful validation of outputs. • Annotated and evaluated datasets for improved English AI responses • Completed labeling across multiple task types (e.g., pairwise comparisons and counting/verification) • Conducted pairwise preference ranking based on accuracy and relevance • Performed quality checks and re-checks to ensure outputs met rules and safety standards