Mercor
MercorVerified listing

Physics Domain Expert

90–140/hr
Remote · Remote (United States)
hourly
10 openings
Posted October 30, 2026
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Listing checked October 31, 2026 · pay as published by Mercor

Key details

Pay
$90–140/hr
Location
Remote · Remote (United States)United States
Job type
hourly
Openings
10
Posted
October 30, 2026

Overview

Mercor wants senior physicists to shape how frontier AI models handle real physics research. Your day-to-day work centers on judging model output and physics tasks for flawed derivations, unjustified approximations, and dimensional or limit errors that slip past a casual reader. You also write problem specs and reference solutions that set the bar for correctness, then build research-level benchmarks in your own specialty. The engagement runs hourly and fully remote, and the team expects a practicing specialist rather than a generalist.

What You'll Do5

  • Review physics tasks and model answers, flagging broken derivations, weak approximations, and results that fail on dimensional or limit checks.
  • Write rigorous reference solutions and precise problem statements that mirror how research physics is actually practiced.
  • Build challenging evaluation sets and research-level problems inside your area of specialization.
  • Partner with researchers and experts in neighboring fields to convert tacit judgment into explicit, teachable criteria.
  • Distinguish answers that merely sound plausible from ones that would hold up under peer review.

Requirements7

  • PhD in physics, astrophysics, applied physics, or a closely related discipline.
  • A senior research post such as faculty appointment, principal investigator, staff or senior scientist at a university, national laboratory, or research organization.
  • Deep specialization in one area, for example condensed matter, high-energy or particle physics, astrophysics and cosmology, atomic, molecular, optical and quantum physics, or statistical and computational physics.
  • A strong peer-reviewed publication record; competitive fellowships or awards add weight.
  • Hands-on experience using large language models in your own work.
  • Strong written communication with a talent for structured, precise feedback.
  • Based in the United States.

Who Should Apply

Physicists with a PhD and a senior research appointment who specialize in one domain, whether condensed matter, cosmology, or quantum physics. You already use large language models in your work and can spot a plausible-sounding wrong answer fast.

Salary Insight

Pay runs $90 to $140 per hour. That band sits at the top of expert-contribution rates, and the upper end typically tracks candidates with a faculty or principal investigator record and a deep publication history.

Pay and demand for Machine Learning & AI roles

Market estimates from live NearSkill listings — separate from this job's published terms.

Aggregated

This role · as published

$90–140/hr

Taken from the listing itself.

Typical pay · estimated

$80/hour

Median of 614 similar roles that publish pay · 94 publish only a top rate; those count at the rate they gave

Most Machine Learning & AI roles pay $55–$100 per hour. This role's pay sits above that range.

Typical rangeMedian payThis role

Rates shown per hour. Yearly and monthly pay converted; one-time fees and non-USD pay are not included.

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Most requested skills · share of roles

  • python
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  • code review
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  • ai evaluation
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Figures from Machine Learning & AI roles live on NearSkill when this page loaded. A role can close before you apply, so check the listing itself.

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Required skills

PhysicsAstrophysicsCondensed Matter PhysicsParticle PhysicsCosmologyQuantum PhysicsComputational PhysicsStatistical PhysicsLarge Language ModelsBenchmark DesignTechnical WritingPeer ReviewModel Evaluation

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