Key Responsibilities
• Label, tag, and segment text, images, audio, and video following detailed annotation guidelines. • Conduct RLHF pairwise rankings and prompt evaluation to assess response quality and safety. • Perform named entity recognition (NER), sentiment, and intent labeling for NLP datasets. • Execute computer vision annotation (bounding boxes, polygons, keypoints) and content safety labeling. • Complete QA evaluation, inter-annotator agreement checks, and error analyses to maintain training data quality. • Provide feedback to improve guidelines and model performance. • Track tasks, throughput, and quality metrics in Rex.zone’s labeling tools.



