First seen by our source: 19 days ago
Physics PhD - General Relativity Expert
@ Mercor
Toronto, Ontario
Overview
Mercor is hiring remote contract Physics PhD experts in General Relativity, Astrophysics and Cosmology at $70 to $90 per hour, for 4 to 6 tasks a week. The work is creating challenging problems to build AI training data, refining model training and giving structured feedback. Applicants need a PhD in Physics with one of these specializations and a graduate degree from the US, UK, Canada or Western Europe.
Pay:
$70–$90 an hour
Responsibilities:
- Create challenging General Relativity, Astrophysics and Cosmology problems
- Evaluate and refine AI model training
- Collaborate with AI research teams on data quality
- Provide structured feedback on AI model outputs
Requirements summary:
- PhD in Physics, specialization 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
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
| Seniority | Senior |
| Department | Research & science |
| Travel | air: none · ground: none |
| Work setting | Home |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Doctorate (required) |
| Fields of study | Physics |
Summary and details written by AI from the posting; the employer’s posting is the authority.
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.
Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.
| Field | Value |
|---|---|
| Industry | Software Development |
| Company size | 51-200 employees |
| Headquarters | San Francisco, California |
| Organization type | Privately Held |
| Year founded | 2023 |
| Open jobs on Jobsy | 1,626 |
| View page |
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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