Senior Data Annotation Lead - Remote AI/ML Evaluation

Rex.zone is hiring for a Senior Data Annotation role in a remote-first setup targeting the Miami market. You will lead annotation guidelines, evaluate labeling quality, and perform RLHF tasks to improve AI/ML training data. Expect collaboration with engineering to build scalable labeling pipelines and maintain consistency through documented decisions. The position emphasizes strong written communication, domain flexibility across NLP/NER, LLM evaluation, CV labeling, or content safety labeling, #J-18808-Ljbffr Rex.zone