Sr. Physicist

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position: Physics AI Evaluator
Type: Full-time or Part-time Contract Work
Compensation: $73/hour
Location: USA, UK, Canada, EU

Role Responsibilities

• Write and refine prompts to guide model behavior in physics contexts.
• Evaluate LLM-generated responses to physics-related queries for conceptual accuracy and reasoning quality.
• Conduct fact-checking using authoritative public sources and domain knowledge.
• Annotate model responses by identifying strengths and areas of improvement.
• Assess clarity, structure, and appropriateness of explanations for different audiences.
• Apply consistent evaluation standards by following clear taxonomies and benchmarks.

Qualifications

Must-Have

• PhD in Physics or closely related field .
• Deep expertise in Classical Mechanics & Dynamics , Electromagnetism , Thermodynamics , Quantum Physics , or Relativity .
• Significant experience using large language models (LLMs).
• Excellent writing skills and ability to explain complex physics concepts.
• Strong attention to detail and experience reviewing technical writing.

Preferred

• Experience with RLHF , model evaluation, or data annotation work.
• Experience teaching or explaining physics concepts to non-experts.
• Familiarity with evaluation rubrics or structured review frameworks.

Application Process (Takes 20–30 mins to complete)

• Upload resume
• AI interview based on your resume
• Submit form

Resources & Support

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PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.