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

USD /hour

We are seeking a highly skilled Brazilian Portuguese expert to help train and improve advanced AI language models. You will use linguistic expertise and cultural knowledge to enhance AI performance in Brazilian Portuguese comprehension, writing, translation, and reasoning.

• Evaluate AI-generated Brazilian Portuguese text for grammar, fluency, accuracy, and cultural appropriateness.
• Create and review language tasks (translations, rewrites, summaries, paraphrases, dialogues).
• Identify linguistic errors and cultural inaccuracies.
• Produce reference answers, rubrics, and detailed explanations.
• Annotate Portuguese text for structure, meaning, and nuance.
• Produce high-quality PT‑BR content across different tones and registers.
• Provide detailed feedback to improve AI model performance.

• Native or near-native proficiency in Brazilian Portuguese (PT‑BR).
• Fluent written English (C1+).
• Bachelor’s degree in Portuguese Studies, Linguistics, Translation, Education, Journalism, or similar fields.
• Experience in translation/interpretation (PT‑BR EN), Brazilian Portuguese writing/editing, teaching Portuguese, localization or communication work.
• Strong linguistic insight and detail orientation.