Papaya Language Specialist – AI Trainer (Portuguese – …, Singapore

USD /hour

We are seeking a European Portuguese language expert to support AI model training and evaluation. You will help improve AI performance in Portuguese comprehension, translation, writing, and reasoning.

• Evaluate AI-generated European Portuguese text for accuracy, fluency, tone, and cultural correctness.
• Create and review Portuguese-language tasks (translations, paraphrases, rewrites, summaries).
• Identify linguistic and cultural errors.
• Produce high-quality reference answers and rubrics.
• Annotate PT-EU text for meaning and structure.
• Write high-quality PT-EU content across multiple styles.
• Provide clear feedback to support model improvement.

• Native or near-native proficiency in European Portuguese (PT-EU).
• Fluent written English (C1+).
• Bachelor's degree in Portuguese Studies, Linguistics, Translation, Education, Communications, or similar fields.
• Experience with translation/interpretation PT-EU to EN/EN to PT-EU, editing/writing PT-EU content, teaching Portuguese, localization or communication roles.
• Strong linguistic accuracy and attention to detail.