Senior Data Annotation Specialist / Data Labeller & QA Reviewer (Contract)
Annotated large-scale computer vision data to support AI/ML training and evaluation. Applied precise bounding box, polygon, polyline, keypoint, and semantic segmentation labeling according to detailed guidelines. Maintained consistently high accuracy and quality scores to meet project benchmarks. • Labeled 500,000+ data points across computer vision tasks. • Achieved 97%+ quality score consistently, exceeding team benchmarks. • Resolved ambiguous labeling edge cases with project leads. • Trained junior annotators on annotation guidelines, QA standards, and tool usage.