Freelance Data Annotation Specialist
As a Freelance Data Annotation Specialist, I completed labeling projects across text, images, and audio datasets for machine learning model training. My responsibilities included entity extraction, semantic segmentation, intent detection, and quality assurance processes. I contributed to refining annotation guidelines and improving annotation team accuracy. • Performed NER, intent annotation, and precision labeling for chatbot datasets • Delivered polygon, bounding box, and keypoint annotations for computer vision • Conducted QA with peer review to uphold a >95% quality standard • Used platforms such as Remotasks, Mindrift, and Upwork to manage workflows