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
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.

📌 Bilingual PhD Scientist (España)
🏢 Mercor
📍 España