Chemistry Specialist
RemoExperts
About the Role
We are looking for chemists with deep expertise in a specific subdiscipline to help train and evaluate AI models. You will write and review questions in your area and judge the correctness of AI answers.
Key Responsibilities
Write and review chemistry questions in your subdiscipline (organic, inorganic, physical, analytical or computational).
Assess AI answers for correctness and explain errors.
Write reference answers with clear mechanistic or quantitative justification.
Review other experts’ questions for difficulty and accuracy.
Give structured written feedback.
Follow project guidelines, take part in calibration and review sessions, and incorporate feedback to keep quality consistent.
Who We're Looking For
Required Qualifications
Master’s or PhD in chemistry with demonstrated expertise in at least one subdiscipline.
Ability to explain complex chemistry clearly.
Excellent written English.
Reliable, detail-oriented, and able to work independently and meet deadlines in a remote setting.
Preferred Qualifications
Research publications in your subdiscipline.
Teaching experience.
Experience with computational chemistry tools.
Content Restrictions
Do not write, request or submit synthesis routes, formulations, quantities or operational details for chemical, biological, radiological, nuclear or explosive weapons, or for illicit drugs.
If a task, a model output or a guideline contains such content, stop, do not reproduce it, and report it to the project team.
Safety-related answers must stay at the level of general hazard awareness and appropriate safety practice.
Rex may reject or remove any submission that breaches these rules.
Legal and Compliance Notice
All content you submit must be lawful, and you must have the right to share it.
Do not submit confidential or proprietary material belonging to an employer, client or third party, or personal data without a lawful basis.
Rex may verify identity, credentials, ownership and licensing; may reject or remove any submission; and may report unlawful submissions to the relevant authorities.
Engagement and payment are subject to successful verification and to applicable sanctions, export-control, tax and employment laws.
The contractor agreement will set out ownership and licence terms for the work you deliver (to be confirmed by Rex Legal).
Compensation
USD $50–90 per hour, adjusted by country of residence.
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