Physicist

We are looking for practising physicists to help evaluate AI answers to physics questions. You will check correctness, write reference solutions and flag unsupported assumptions.

Key Responsibilities

• Evaluate AI answers to physics questions for conceptual and numerical correctness.
• Write prompts and reference solutions at professional level.
• Flag unsupported assumptions, dimensional errors and calculation mistakes.
• Apply project rubrics consistently and explain your scoring.
• Review the work of other experts for accuracy and clarity.
• Follow project guidelines, take part in calibration and review sessions, and incorporate feedback to keep quality consistent.

Required Qualifications

• Degree in physics and professional experience in research, a laboratory or industry.
• Strong problem-solving across several areas of physics.
• Excellent written English.
• Reliable, detail-oriented, and able to work independently and meet deadlines in a remote setting.

Preferred Qualifications

• Simulation or data-analysis experience.
• Teaching or tutoring experience.
• Prior AI-training experience.

Legal and Compliance Notice

• All content you submit must be lawful, and you must have the right to share it.
• Do not submit confidential or proprietary material belonging to an employer, client or third party, or personal data without a lawful basis.
• Rex may verify identity, credentials, ownership and licensing; may reject or remove any submission; and may report unlawful submissions to the relevant authorities.
• Engagement and payment are subject to successful verification and to applicable sanctions, export-control, tax and employment laws.
• The contractor agreement will set out ownership and licence terms for the work you deliver (to be confirmed by Rex Legal).

Compensation: USD $70–125 per hour, adjusted by country of residence.