
Kasamali
Data Annotation Specialist
Skills

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Work experience
Data annotation
Pixel annotation • Full-time
Dec 2024 - Dec 2025 • 1 yr
Worked as a Data Annotation Specialist on computer vision projects involving both image and video datasets. Responsible for producing high-quality, guideline-compliant annotations to support machine learning model training. Key responsibilities included: -> Image annotation using bounding boxes, polygon annotation, semantic segmentation, and basic keypoints -> Video annotation with object tracking and frame-by-frame bounding boxes, ensuring temporal consistency across frames -> Annotating datasets in YOLO and COCO formats -> Using professional annotation tools such as CVAT, Roboflow , and Label Studio -> Reviewing annotations for accuracy, consistency, and quality control