Senior Data Annotation & AI Training Specialist
Contributed to LLM fine-tuning projects enhancing response accuracy by up to 28% through linguistic calibration. • Led annotation teams across text, audio, and visual data pipelines, maintaining >98% QA compliance. • Executed chatbot fine-tuning and AI response evaluation for healthcare, education, and finance domains. • Performed search relevance and ranking evaluations, boosting retrieval accuracy by 23%. • Supported audio transcription and labeling for ASR models, improving phonetic model accuracy from 87% to 94%. • Managed STEM-focused dataset creation ensuring factual precision across scientific domains. • Delivered cross-modal annotation exceeding 1M labeled items for computer vision and NLP tasks. • Implemented QA frameworks reducing annotation inconsistencies by 35%.