Scientific Expert - Fully Remote | Upto $54/hr Part-time

mercor; Portugal; Remote; EUR 61,000 - 66,000; Full time

Job summary

Mercor is seeking a Bilingual Portuguese STEM Expert (PhD) for a remote, contract role. You will write expert-level prompts in Portuguese, evaluate model outputs for scientific accuracy, and collaborate with AI research teams to boost safety and performance.

The ideal candidate holds a PhD in chemistry or biology, is native or near-native in Portuguese with business English, and can work independently in a deadline-driven, asynchronous environment from Portugal or Western Europe.

Qualifications

• PhD in chemistry or biology or 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.

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.

Education

PhD in chemistry/biology

Job description

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