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 Spanish STEM Expert (PhD) — AI Safety Type: Contract Compensation: $58–$62/hour Location: Remote Role Responsibilities Write expert-level prompts in Spanish across specialized scientific topics.
Evaluate and annotate model responses for scientific accuracy and appropriate handling of sensitive content.
Apply structured guidelines to classify prompts and conversations.
Work independently and asynchronously to improve AI model safety .
Collaborate with AI research teams to ensure accuracy and depth in model outputs .
Qualifications Must-Have PhD in chemistry , biology , or a related field.
Native or near-native fluency in Spanish and business-level written English .
Familiarity with modern laboratory and computational techniques.




Sound judgment in scientific safety and responsible handling of dual-use information.
Preferred Based in Spain or Western Europe .
Expertise in radiochemistry , nuclear chemistry , or related fields.
Depth in specific subfields like organic synthesis or molecular biology .
Experience in chemical safety, biosafety, or hazardous-materials handling.
Experience reviewing or grading technical content.
Start Date Immediate Application Process (Takes ***** 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: For any help or support, reach out to: ****** PS: Our team reviews applications daily.
Please complete your AI interview and application steps to be considered for this opportunity.

📌 Bilingual Phd Scientist - Ai Safety (Madrid)
🏢 Mercor
📍 Madrid