Job descriptionWe are seeking a radiochemistry/nuclear chemistry expert to help shape the future of AI. Large-scale language models are evolving into powerful engines of scientific discovery, and we need your expertise to help power the next generation of AI. We’re looking for radiochemistry/nuclear chemistry specialists with expertise in radioisotope production, radiochemical separations, nuclear decay schemes, radiotracer methodologies, radiation safety protocols, nuclear fuel cycle chemistry, nuclear forensics, and radiopharmaceutical chemistry. You’ll challenge advanced language models on topics like alpha, beta, and gamma spectroscopy, radionuclide labeling, radiochemical synthesis, nuclear reaction pathways, radiochemical assay techniques, and decay chain analysis. On a typical day, you will converse with the model on experimental radiochemical scenarios and theoretical nuclear chemistry questions, verify factual accuracy and logical soundness, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics. A PhD in radiochemistry, nuclear chemistry, or a closely related field is ideal; peer-reviewed publications, hands-on radiochemical lab work, nuclear facility experience, or radiopharmaceutical research signal fit. Clear, metacognitive communication is essential. We offer a pay range of $8-to-$65 per hour, with the exact rate determined after evaluating your experience, expertise, and geographic location. Final offer amounts may vary from the pay range listed above. Job Details * Job title: Radiochemistry/Nuclear Chemistry Specialist – AI Trainer * Employment type: Contract * Workplace type: Remote * Seniority level: Mid-Senior Level We are an equal opportunities employer and welcome applications from all qualified candidates. J-18808-Ljbffr