First seen by our source: 20 days ago
AI Research Scientist - PhD
@ Mercor
Toronto, Ontario
Overview
Mercor is hiring a PhD-level STEM or technical domain expert on a contract basis, remote, at $55–$80 per hour. The role contributes subject matter expertise to large language model projects by writing difficult domain problems, evaluating and improving model performance, and working asynchronously to deadlines.
Pay:
$55–$80 an hour
Responsibilities:
- Contribute subject matter expertise to LLM projects
- Create difficult domain problems for training data
- Evaluate and improve AI model performance
- Collaborate with AI research teams on data quality
- Work independently and asynchronously to deadlines
Requirements summary:
- PhD or advanced degree, or equivalent industry experience
- Degree in a listed STEM or medical field
- High attention to detail
- Exceptional written and verbal communication
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 | Data & analytics |
| 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 | Medicine, Healthcare, Statistics, Data Science, AI/ML Research |
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: STEM PhDs and Technical Domain Experts
Type: Contract
Compensation: $55–$80/hour
Location: Remote
Role Responsibilities
- Contribute subject matter expertise to a cutting-edge project with state-of-the-art large language models.
- Create high-quality data by developing difficult problems in your domain.
- Evaluate and improve AI model performance through rigorous testing and feedback.
- Collaborate with AI research teams to enhance training data quality.
- Work independently and asynchronously to meet project deadlines.
Qualifications
Must-Have
- PhD or advanced degree (or equivalent industry experience) in Medicine, Healthcare, Statistics, Data Science, AI/ML Research, Computer Science, Game Development, or Mechanical/Aerospace Engineering.
- High attention to detail.
- Exceptional written and verbal communication skills.
Interview Process
- Complete a short interview and task (20–30 mins). Paid onboarding time includes this and a few onboarding videos if hired.
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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