Senior Data Labeling & Annotation Specialist (Freelance / Remote)
Freelance/remote senior data labeling specialist producing high-accuracy annotated datasets for machine learning and AI model training. Work included bounding box, polygon segmentation, keypoint, semantic labeling, and multi-modal dataset preparation across image, video frames, and text. • Labeled and annotated 600,000+ images, video frames, and text datasets for AI/ML training • Delivered 98%+ quality accuracy using bounding box and segmentation labeling • Performed keypoint/landmark and semantic labeling with consistent annotation standards • Reviewed junior annotations and provided structured QA feedback to maintain data integrity