Data Labeling India; Remote

Rex.zone is hiring for remote, full-time data labeling roles supporting production AI/ML systems. You will create high-quality training data across text, images, audio, and video, including LLM evaluation, RLHF preference ranking, content safety labeling, named entity recognition, and computer vision annotation. This work directly impacts training data quality and model performance improvement.

Rex.zone is hiring for remote, full-time data labeling roles supporting production AI/ML systems. You will create high-quality training data across text, images, audio, and video, including LLM evaluation, RLHF preference ranking, content safety labeling, named entity recognition, and computer vision annotation. This work directly impacts training data quality and model performance improvement.

• Label text, image, audio, and video data per task-specific annotation guidelines
• Perform LLM evaluation: rating, ranking, and rationale writing
• Execute RLHF workflows (preference comparisons, instruction-following checks)
• Conduct QA evaluation (self-checks, peer reviews, gold-set calibration)
• Tag entities/relationships for NLP tasks like NER and classification
• Annotate computer vision data (boxes, polygons, segmentation masks, keypoints)
• Apply content safety labeling for policy compliance
• Document edge cases and propose rubric clarifications

• Experience in data labeling/data annotation or QA evaluation
• Strong written English and consistent rubric adherence
• Comfort with structured guidelines and frequent policy updates
• High attention to detail and integrity in labeling

Competitive hourly rate: $30–$50/hr (USD).