Chemistry Specialist

Overview

We are seeking chemists with deep expertise in a specific subdiscipline to help train and evaluate AI models. In this role, you will write and review chemistry questions, assess AI-generated answers, and help maintain high-quality standards across the project.

What You'll Do

• Write and review chemistry questions within your subdiscipline, such as organic, inorganic, physical, analytical, or computational chemistry.
• Evaluate AI answers for correctness and explain where they are wrong.
• Write reference answers with clear mechanistic or quantitative justification.
• Review questions created by other experts for difficulty and accuracy.
• Provide structured written feedback.
• Participate in calibration and review sessions and incorporate feedback to support consistency.

Requirements

• Master's or PhD in chemistry with demonstrated expertise in at least one subdiscipline.
• Ability to explain complex chemistry clearly.
• Strong written English skills.
• Ability to work independently in a remote setting and meet deadlines.
• Reliable and detail-oriented approach to task completion.

Preferred Qualifications

• Research publications in your chemistry 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, model output, or guideline contains disallowed content, stop, do not reproduce it, and report it to the project team.
• Safety-related answers must remain at the level of general hazard awareness and appropriate safety practice.
• All content must be lawful, and you must have the right to share it. Do not submit confidential, proprietary, or personal data without a lawful basis.

Compliance Notice

Rex may verify identity, credentials, ownership, and licensing. Engagement and payment are subject to successful verification and applicable sanctions, export-control, tax, and employment laws. The contractor agreement will define ownership and licensing terms for the work delivered, to be confirmed by Rex Legal.