SME Careers
Nuclear Physicist
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In this hourly, remote contractor role, you will work as a Nuclear Physics Expert (SME) to review AI-generated nuclear physics content and/or create high-quality nuclear physics reference content, evaluating scientific accuracy, mathematical reasoning, terminology, and step-by-step explanations while providing precise written feedback. You will assess outputs for correctness, clarity, physical plausibility, unit consistency, calculation accuracy, safety awareness, and adherence to the prompt; identify errors in nuclear structure, radioactive decay, fission, fusion, radiation interactions, detectors, reactors, nuclear models, and scientific interpretation; fact-check claims when needed; write high-quality rewrites and model answers that demonstrate best practices in nuclear physics explanation; and rate and compare multiple AI responses based on correctness and overall quality.
This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate, delivering training data for many of the world’s largest AI companies and foundation-model labs. Your nuclear physics expertise directly helps improve the world’s premier AI models by making their nuclear science, radiation, and physics outputs more accurate, safe, reliable, and clearly explained.
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Key Responsibilities
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- Develop AI Training Content: Create prompts and gold-standard nuclear physics answers across topics such as radioactive decay, nuclear structure, fission, fusion, radiation interaction, detectors, shielding, nuclear energy, and safety-aware scientific explanation.
- Optimize AI Performance: Evaluate and rank AI outputs to improve scientific accuracy, physical reasoning, unit consistency, calculation quality, safety awareness, clarity, and relevance to the user’s prompt.
- Ensure Model Integrity: Detect unsafe or misleading nuclear/radiation content, hallucinated facts, incorrect formulas, flawed calculations, unsupported claims, and overconfident interpretations; validate reliability across nuclear science use cases.
Your Profile
- Bachelor’s degree or higher in Physics, Nuclear Physics, Applied Physics, Nuclear Engineering, Radiation Science, Engineering Physics, or a related field, or equivalent professional experience.
- Strong professional proficiency in English, minimum C1, to follow guidelines and provide detailed feedback in English.
- 3+ years of experience in nuclear physics, physics research, radiation science, nuclear engineering, teaching, tutoring, technical writing, academic review, or related scientific work.
- Deep understanding of atomic nuclei, radioactive decay, half-life, binding energy, nuclear reactions, radiation types, fission, fusion, detectors, shielding, and radiation safety principles.
- Ability to evaluate nuclear physics explanations, derivations, calculations, diagrams, experimental interpretations, and safety-related claims for scientific accuracy and clarity.
- Comfortable identifying hallucinated claims, incorrect formulas, unsafe advice, flawed reasoning, unit errors, misleading simplifications, or unsupported nuclear/radiation statements.
- High attention to detail when reviewing units, decay chains, reaction notation, cross sections, isotope terminology, dose concepts, and physical assumptions.
- Reliable, self-directed, and able to deliver consistent quality in an hourly, remote contractor workflow across time zones.
- Prior experience with AI data training/annotation, scientific QA, academic QA, physics content review, or rubric-based evaluation is strongly preferred.
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