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First seen by our source: 20 days ago

Astrophysics PhD - Fully Remote | Upto $90/hr

@ Mercor

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Toronto, Ontario

$70–$90/hr
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Overview

Mercor is hiring a remote contract Physics PhD expert in General Relativity, Astrophysics and Cosmology to create challenging problems for AI training data. The work involves evaluating and refining AI model outputs, providing structured feedback and collaborating with AI research teams. Pay is $70 to $90 per hour for about 4 to 6 tasks per week, with a February start date.

Pay:

$70–$90 an hour

Responsibilities:

  • Create challenging problems in general relativity, astrophysics and cosmology
  • Evaluate and refine AI model training
  • Provide structured feedback on AI model outputs
  • Collaborate with AI research teams on data quality

Requirements summary:

  • PhD in Physics specializing in general relativity, astrophysics or cosmology
  • Graduate degree from US, UK, Canada or Western Europe
  • High attention to detail
  • Exceptional written and verbal communication
  • Excellent English proficiency

Tools & skills

ResearchWork independentlyAttention to detailCommunication skills
Source and dates

Source type not verified · manatal

Employer posting date
Not provided
First seen by our source
2026-10-18
Source record updated
2026-10-18

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentResearch & science
Travelair: none · ground: none
Work settingHome
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationDoctorate (required)
Fields of studyPhysics

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Mercor

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

We connect human expertise with leading AI labs and enterprises to train frontier models.

Full company description

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

LinkedIn followers
654,507
People associated on LinkedIn
5,250
Reported office locations
  • San Francisco, California 94105, US
Business categories
  • Employment
  • Software
  • Recruiting
  • Data Collection and Labeling
  • Artificial Intelligence (AI)
  • Machine Learning
Other recorded names
  • Mercor
Profile identifies a recruitment agency
Yes
Reported total investment
483,600,000

Currency and observation date were not supplied; this is not a current valuation or a funding round.

View all jobs Website

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

FieldValue
IndustrySoftware Development
Company size51-200 employees
HeadquartersSan Francisco, California
Organization typePrivately Held
Year founded2023
Open jobs on Jobsy1,626
LinkedInView page
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: Physics PhD Experts (General Relativity, Astrophysics & Cosmology)
Type: Contract
Compensation: $70–$90/hour
Location: Remote
Commitment: 4–6 tasks/week

Role Responsibilities

  • Develop high-quality data sets by creating challenging problems in General Relativity, Astrophysics, and Cosmology.
  • Evaluate and refine AI model training to enhance future AI innovations.
  • Collaborate with AI research teams to ensure data quality and relevance.
  • Work independently and asynchronously to meet task deadlines.
  • Provide structured feedback to improve AI model outputs.

Qualifications

Must-Have

  • PhD in Physics with specialization in General Relativity, Astrophysics, or Cosmology.
  • Graduate degree from US/UK/Canada/Western Europe.
  • High attention to detail.
  • Exceptional written and verbal communication skills.
  • Excellent proficiency in English.

Start Date

  • February; applications reviewed on a rolling basis.

Application Process (Takes 20–30 mins to complete)

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

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: [email protected]

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

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