Freelance AI Data Annotation Specialist (Text)
I performed NER tagging and sentiment labeling on multilingual text corpora to support NLP model improvement. I contributed structured annotations that enhanced model capabilities across multiple languages. I reviewed and validated peer annotations to reduce errors and elevate dataset quality. • Labeled text datasets using NER and sentiment analysis techniques. • Contributed to NLP pipelines for five language sets, supporting AI training. • Maintained high labeling accuracy through adherence to project taxonomy. • Participated in quality assurance cycles and cross-team milestone reviews.