Bilingual Portuguese PhD Scientist for AI Safety

Help improve the safety and reliability of advanced AI systems on specialized scientific topics in Portuguese. In this remote, hourly role, you will use PhD-level scientific expertise to evaluate and strengthen model handling of technical content. Prior AI or machine-learning experience is not required, and workflow training is provided. Key Responsibilities

• Create expert-level Portuguese prompts across specialized scientific subjects.
• Evaluate and annotate model responses for scientific accuracy, helpfulness, and appropriate treatment of sensitive material.
• Apply structured guidelines to classify prompts and conversations.

• Ongoing or completed PhD in chemistry, biology, or a closely related discipline, with sufficient depth to write prompts involving chemical, biological, radiological, and nuclear subject areas.
• Native or near-native Portuguese fluency and business-level written English.
• Deep familiarity with current laboratory and computational methods in your specialty.
• Sound judgment regarding scientific safety and responsible treatment of dual-use information.

• Based in Portugal or elsewhere in Western Europe, though applicants in other locations are welcome.
• Chemistry-based radiological or nuclear expertise, including radiochemistry, nuclear chemistry, energetic materials, or radiation physics.
• Demonstrated depth in a focused specialty, such as organic or inorganic synthesis, molecular biology, microbiology, virology, or genetics.
• Research or coursework in chemical safety and security, biosafety and biosecurity, or hazardous-materials handling.
• Experience reviewing, grading, or red-teaming technical content.

• Remote, hourly engagement.
• Immediate start date.

• $50 to $54 per hour.