University of California, San Diego
Professional Certification, Data Science
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I am a detail-oriented Data Annotation Specialist with hands-on experience in high-accuracy data labeling across text, image, audio, and video datasets for machine learning applications. My background includes leading large-scale annotation projects in computer vision, autonomous systems, and NLP, where I have consistently delivered datasets exceeding 98% accuracy. I am skilled in using tools like Labelbox, CVAT, Prodigy, and Amazon SageMaker Ground Truth, and I leverage Python for data preprocessing and scripting. I have contributed to projects such as multi-class image labeling for retail recognition and speech dataset annotation for voice AI, and I am adept at developing taxonomies, optimizing workflows, and collaborating with cross-functional teams to ensure data quality and model performance. My commitment to quality assurance and continuous improvement drives my ability to support cutting-edge AI research and production.
Zachary R. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.
Professional Certification, Data Science
Bachelor of Science, Computer Science
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