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Portuguese Language Specialist (Brazil) - Freelance AI Trainer Project

Worldwide - Remote🌐 Remote💼 Contract💰 $6–$6🗓 2026-06-26 → 2026-07-31

Core

Evaluate and refine large-scale language models by challenging them on Portuguese (Brazil) linguistics, documenting failure modes, and improving prompt engineering.

Role type

Portuguese (Brazil) language specialist (AI trainer)

Builds

High-quality training data and evaluation metrics for next-generation AI models

Domain

Artificial Intelligence / Computational Linguistics

Deliverable

production ML models

Required skills

Phonetics, morphology, syntax, semantics, pragmatics, sociolinguistics, verb conjugation analysis, noun-adjective agreement, sentence structure analysis, colloquial expression identification, factual accuracy verification, logical soundness assessment, error trace documentation, prompt engineering optimization

Preferred skills

Master's or PhD in Portuguese language, linguistics, or related field, peer-reviewed publications, teaching experience, hands-on linguistic analysis projects

Technologies

Large language models (LLMs), prompt engineering frameworks

Responsibilities

Converse with AI models on language scenarios, verify factual accuracy and logical soundness, capture reproducible error traces, suggest improvements to prompt engineering and evaluation metrics

Seniority

Mid-Senior Level

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