Rex.zone is hiring full-time remote Online Generalists in Canada to support AI/ML data operations that power large language model training pipelines. You will complete online tasks such as data labeling, RLHF preference ranking, prompt evaluation, QA evaluation, and content safety labeling across NLP and computer vision datasets.

Responsibilities

• Perform data labeling for NLP tasks (classification, summarization, named entity recognition) and LLM evaluation workflows
• Create preference data for RLHF by ranking/scoring model outputs and writing clear rationales
• Conduct prompt evaluation and response scoring using web-based evaluation interfaces
• Execute QA evaluation, adjudication, and consistency checks to improve training data quality
• Handle content safety labeling using policy-based decisions and detailed guidelines
• Complete computer vision annotation including image tagging, bounding boxes, and segmentatio...