Senior Data Annotation Lead - Remote NLP, RLHF & CV

Job Title Rex.zone is hiring a Senior Data Annotation Specialist in Los Angeles for remote, full-time work. You will lead high-quality training data workflows for AI/ML systems, supporting NLP and CV annotation while collaborating with engineering to improve model outcomes.

You will create and refine annotation guidelines, run QA sampling, and execute RLHF workflows to enhance data quality and auditability across training pipelines.