Biology PhD Expert - AI Annotation
Listing checked November 6, 2026 · pay as published by Braintrust
Key details
- Pay
- $40–90/hr
- Location
- Remote · United States; Canada; Europe +6 moreCanada, Spain, France, United Kingdom, Poland +3 more
- Job type
- contract
- Openings
- 2
- Posted
- November 5, 2026
Overview
A leading AI lab needs PhD-level biology experts for a short-term annotation project on AI models and how they handle specialized scientific information. Contractors work through biology tasks in their own specialty, apply project guidelines, and use subject-matter judgment to review content for accuracy. The initial scope runs 20 hours per contractor, about 10 hours each week over two weeks. All biology subfields are open, from molecular and cell biology to ecology and evolutionary biology.
What You'll Do6
- Complete biology annotation tasks within your specialty and follow the project guidelines.
- Review scientific content and assess accuracy, using scientific reasoning and close attention to detail.
- Flag unclear statements, potential errors, and content that needs review.
- Apply annotation criteria in a consistent way across assigned tasks.
- Raise questions or ambiguities that need clarification from the project team.
- Use subject-matter judgment to support accurate, high-quality annotation work.
Requirements4
- Completed PhD in biology or a related biological discipline.
- Experience in any field of biology through research, professional work, or both.
- Sound scientific judgment and the ability to explain biology concepts in clear terms.
- Availability to start within two weeks.
Who Should Apply
The role suits a PhD biologist with research or professional experience in any subfield, including molecular and cell biology, genetics, microbiology, biochemistry, immunology, neuroscience, ecology, or evolutionary biology. You should bring comfort with annotation guidelines, clear scientific judgment, and readiness to start within two weeks.
Salary Insight
The contract pays $40 to $90 per hour. The final rate depends on qualifications, expertise, experience, and location. A PhD in a specialized biology field sits at the core of this work, so domain depth and a strong record of scientific review can shape where you fall in that band.
Pay and demand for AI Training roles
Market estimates from live NearSkill listings — separate from this job's published terms.
This role · as published
$40–90/hr
Taken from the listing itself.
Typical pay · estimated
$70/hour
Median of 1,190 similar roles that publish pay · 300 publish only a top rate; those count at the rate they gave
Most AI Training roles pay $38–$95 per hour. This role's pay falls inside that range.
Rates shown per hour. Yearly and monthly pay converted; one-time fees and non-USD pay are not included.
- Live similar roles
- 1,381
- Listed in last 30 days
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Hiring most right now: micro1 (348) · SME Careers (253) · Mercor (199)
Most requested skills · share of roles
- ai evaluation15%
- llm evaluation13%
- data annotation12%
- ai training12%
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