Bilingual Science PhD - AI Trainer

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: Bilingual Portuguese STEM Expert (PhD) — AI Safety
Type: Contract
Compensation: $50–$54/hour
Location: Remote
Commitment: 20+ hours/week

Role Responsibilities

• Write expert-level prompts in Portuguese across specialized scientific topics.
• Evaluate and annotate model responses for scientific accuracy and helpfulness.
• Apply structured guidelines to classify prompts and conversations.
• Strengthen model handling of sensitive content in Portuguese.
• Work independently and asynchronously to meet deadlines.

Qualifications

Must-Have

• PhD in chemistry, biology, or a closely related field.
• Native or near-native fluency in Portuguese.
• Business-level written English.
• Deep familiarity with modern laboratory and computational techniques.
• Sound judgment around scientific safety and dual-use information.

Preferred

• Based in Portugal or Western Europe.
• Expertise in radiochemistry, nuclear chemistry, or related fields.
• Depth in subfields like organic synthesis, molecular biology, or virology.
• Experience with chemical safety, biosafety, or hazardous-materials handling.
• Experience reviewing or red-teaming technical content.

Start Date

• Immediate

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: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.