AI Data Trainer / Data Labeling Specialist (Freelance / Remote)
Delivered end-to-end dataset annotation for text, images, audio, and video to support machine learning training and improved model performance. Applied NLP labeling for sentiment analysis, text categorization, and entity recognition to ensure consistent metadata. Performed quality assurance and validation checks to reduce labeling errors and maintain annotation standards across batches. • Labeled and annotated text data for sentiment and categorization • Annotated images and video content using agreed guidelines • Labeled audio with transcription-style tagging/annotation • Conducted QA reviews and consistency validation