Data Annotation Specialist / QA (Cogito Tech)
CVAT
Image
Bounding BoxAs a Data Annotation Specialist at Cogito Tech, I labeled images using bounding box, polygon, and keypoint annotation techniques for AI and machine learning model training. The projects included image, video, and medical data labeling across multiple platforms such as CVAT, Darwin V7, and Labelbox. I ensured high accuracy, quality assurance, and consistency in large-scale datasets through effective project coordination and adaptation to new workflows. • Utilized industry-standard annotation tools including CVAT, Labelbox, Darwin V7, Dataloop, and VisionNest AI. • Performed bounding box annotation, polygon segmentation, and keypoint labeling on diverse datasets. • Maintained rigorous quality assurance processes while meeting tight deadlines. • Supported AI model improvement by delivering high-quality training data.