Freelance Data Annotator (Upwork and local clients)
Annotated over 5,000 images for computer vision datasets, supporting tasks such as object detection and segmentation for autonomous vehicle use cases. Labeled text data for NLP tasks including sentiment analysis and entity recognition while maintaining 95%+ accuracy. Collaborated with remote teams to refine annotation guidelines and resolve dataset ambiguities. • Object detection and segmentation labeling on images • Sentiment analysis and entity recognition labeling on text • Guideline refinement and ambiguity resolution with remote stakeholders • Quality assurance to achieve 95%+ accuracy