AI Data Annotator (Freelance) at CNTXT AI — Remote (Jan 2026 - Now)
Annotated and validated datasets for AI and machine learning projects with a focus on classification-related tasks, including military-related data classification. Performed strict data review and quality assurance to ensure labeled outputs met project and security requirements. Supported dataset preparation for model training through cleaning and structuring labeled data. • Maintained annotation consistency using project guidelines • Reviewed and validated labeled samples for quality • Prepared cleaned/structured datasets for training pipelines • Followed security standards for sensitive dataset handling