Remote Portuguese STEM AI Safety Expert (PhD)

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

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.