First seen by our source: 19 days ago
Physics PhD - String Theory Expert
@ Mercor
Toronto, Ontario
Overview
Mercor is hiring PhD physicists specializing in string theory, quantum field theory, particle physics or nuclear physics to write challenging problems and create high-quality data for AI labs. The work is remote contract work at $70 to $90 per hour, with 4 to 6 tasks per week, each requiring several hours of rigorous work. Candidates need a physics PhD from the US, UK, Canada or Western Europe.
Pay:
$70–$90 an hour
Responsibilities:
- Develop challenging problems in string theory, QFT, particle or nuclear physics
- Collaborate with AI labs to create high-quality data for LLMs
- Evaluate and improve AI model outputs using domain expertise
- Contribute 4-6 tasks weekly, each requiring several hours of work
Requirements summary:
- PhD in Physics specializing in string theory, QFT, particle or nuclear physics
- Graduate degree from US, UK, Canada or Western Europe
- High attention to detail
- Exceptional written and verbal communication
- Excellent proficiency in English
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, String theory, Quantum field theory, Particle physics, Nuclear 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 (String theory, QFT, Particle physics & Nuclear physics)
Type: Contract
Compensation: $70–$90/hour
Location: Remote
Role Responsibilities
- Develop challenging problems in String theory, Quantum Field theory, particle physics, or nuclear physics to inform AI innovation.
- Collaborate with AI labs to create high-quality data for large language models.
- Evaluate and improve AI model outputs using domain expertise.
- Work independently and asynchronously to meet task deadlines.
- Contribute 4-6 tasks weekly, each requiring several hours of rigorous work.
Qualifications
Must-Have
- PhD in Physics with specialization in String theory, Quantum Field theory, particle physics, or nuclear physics.
- 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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