Senior AI Data Annotator / Labeler (Remotasks / Scale AI Platform, Remote)
Provided dataset annotations for computer vision (image/video) and NLP (text) to support machine learning model training. Evaluated and ranked LLM responses using RLHF by assessing tone, factual accuracy, safety constraints, and instruction adherence. • Annotated 10,000+ data points per week across image, video, and text • Maintained 99.2% accuracy and performed frequent QA review placements in top tiers • Collaborated with ML engineers to clarify ambiguous edge cases and refine guidelines • Identified and flagged systemic data biases/edge cases to reduce downstream error rates by 12%