Astrophysics PhD - Gravitation Expert - AI Trainer

mercor; United States; Remote; USD 110,000 - 152,000; Full time

Job summary

Mercor invites a Gravitation, Cosmology and Astrophysics Physicist (PhD) for a research-focused contract. The role involves evaluating AI model training and developing physics problems for AI evaluation, with independent, asynchronous work. Strong publication record and coding skills are required.

Remote position with a duration of 8–10 weeks and a commitment of 10 hours per week; collaboration with AI teams to ensure rigorous model reasoning.

Qualifications

• PhD in gravitation, cosmology, astroparticle physics or closely related field.
• Verifiable publication record with arXiv IDs or DOIs.
• Proficiency in LaTeX, Python, SymPy and Jupyter.
• English at B2 or above, including written reasoning.

Responsibilities

• Evaluate AI model training and improve model outputs in research-level physics challenges.
• Develop complex physics problems and solutions in your subfield for AI model evaluation.
• Review completed work and provide structured feedback to enhance training data quality.
• Collaborate with AI research teams to ensure precision and rigor in model reasoning.
• Work independently and asynchronously to meet deadlines and improve AI model performance.

Skills

English B2+

Education

PhD in gravitation/cosmology/astroparticle physics

Tools

Jupyter

Python

LaTeX

SymPy

Job description

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: Gravitation, Cosmology and Astrophysics Physicist (PhD)

Type: Contract

Compensation: $80–$110/hour

Location: Remote

Duration: 8 to 10 weeks

Commitment: 10 hours/week

Role Responsibilities

• Evaluate AI model training and improve model outputs in research-level physics challenges.
• Develop complex physics problems and solutions in your subfield for AI model evaluation .
• Review completed work and provide structured feedback to enhance training data quality .
• Collaborate with AI research teams to ensure precision and rigor in model reasoning.
• Work independently and asynchronously to meet deadlines and improve AI model performance .

Qualifications Must-Have

• PhD in gravitation, cosmology, astroparticle physics, or a closely related field.
• Published work on specific phenomena such as torsion, Nieh-Yan, or Chern-Simons terms.
• Verifiable publication record with arXiv IDs or DOIs.
• Proficiency in LaTeX , Python , SymPy , and Jupyter.
• English at B2 or above , including written reasoning.

Preferred

• Familiarity with an agentic coding extension in VS Code .