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, helpfulness, and appropriate handling of sensitive content. Apply structured guidelines to classify prompts and conversations. Collaborate with AI research teams to improve AI model safety and performance. Work independently and asynchronously to meet deadlines while enhancing model capabilities. Qualifications Must-Have PhD in chemistry , biology , or a closely related field. Native or near-native fluency in Portuguese, plus business-level written English. Deep familiarity with modern laboratory and computational techniques in your subfield. Sound judgment around scientific safety and responsible handling of dual-use information. Preferred Based in Portugal or the wider Western Europe region. Expertise in radiochemistry, nuclear chemistry, energetic materials, or radiation physics. Demonstrated depth in a specific subfield such as organic or inorganic synthesis, molecular biology, microbiology, virology, or genetics. Research or coursework on chemical safety, biosafety, or hazardous-materials handling. Experience reviewing, grading, 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.
Bilingual STEM PhD - AI Safety • Lisbon District, Portugal
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