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Physics PhD (Top 50 Program, US/UK/CA)

Mercor

AI Expert - Physics Contractor · Part-time
Remote (Global) $70 – $180/hr June 30, 2026

Job description

Mercor is collaborating with a leading AI research group to engage experts with advanced training in physics.

Applications are invited from PhD graduates in Physics who earned their degree from a top 50 pure physics program in the United States, United Kingdom, or Canada. This project focuses on improving AI reasoning capabilities through rigorous problem-solving, theorem-based evaluation, and graduate-level scientific reasoning.

As a contributor, you will apply your expertise to assess, validate, and improve complex physics and mathematical reasoning generated by AI models.

Key Responsibilities

Solve Advanced Physics Problems

  • Solve challenging graduate-level physics problems across multiple subfields.
  • Apply rigorous analytical and mathematical reasoning to complex scenarios.

Review AI-Generated Solutions

  • Evaluate AI-generated:

    • Proofs
    • Derivations
    • Calculations
    • Problem solutions
  • Assess outputs for:

    • Correctness
    • Logical rigor
    • Mathematical accuracy
    • Clarity

Identify Reasoning Errors

  • Detect:
    • Logical gaps
    • Unsupported assumptions
    • Inconsistencies
    • Incorrect derivations
    • Invalid conclusions

Apply Scientific Reasoning

  • Reference relevant:

    • Physical principles
    • Mathematical theorems
    • Scientific laws
    • Established methodologies
  • Clearly explain the reasoning behind evaluations and corrections.

Ideal Qualifications

  • PhD in Physics from a top 50 pure physics program in:

    • United States
    • United Kingdom
    • Canada
  • Degree must be in Physics, not:

    • Applied Physics
    • Engineering
    • Other closely related applied disciplines
  • Strong graduate-level problem-solving skills across advanced physics topics

  • Ability to clearly explain reasoning and identify weaknesses in written solutions

  • Ideally active in:

    • Academic research
    • Scientific research
    • Higher education

Availability

  • Approximately 15 hours per week
  • Able to complete assigned work within a single sitting when tasks are available
  • Able to submit work within 24 hours of receiving assignments
  • Available to begin immediately

Work Expectations

  • Project-based work delivered in batches
  • Task availability may vary over time
  • Contributors should be comfortable with fluctuating workloads

Application Process

  • Submit your resume
  • Complete an interview (if one is not already on file)
  • Qualified applicants will typically receive follow-up within a few days

Compensation

  • $70–$180 per hour

Contract & Payment Terms

  • Independent contractor engagement
  • Fully remote work
  • Flexible schedule
  • Weekly payments through Stripe or Wise
  • Projects may be extended, shortened, or concluded based on business needs and performance

Important Note

Mercor currently cannot support:

  • H1-B candidates
  • STEM OPT candidates

About Mercor

Mercor partners with leading AI labs and enterprises to train and improve frontier AI systems using human expertise.

Contributors help advance the reasoning capabilities of next-generation AI by applying rigorous scientific knowledge and graduate-level physics expertise.

Apply now

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