Portuguese Bilingual Expert; Brazil

Pay: $30 - $60/hour

Required Skills
Portuguese
About micro1

micro1 is a data lab that helps AI labs & Enterprises train foundational models and agents. We provide frontier evaluations and reinforcement learning environments to improve LLM capabilities, as well as contextual evaluations to monitor and improve AI agents in enterprise settings.

Our AI recruiting agent sources and vets domain experts for our data platform that enables rapid production of high-quality training data. Our research spans high-value, specialized domains (legal, medical, finance, coding, etc.), where expert-level data is the hardest to produce and most valuable for advanced model performance. Our pipeline performance system ensures both quality and velocity.

Role

Title:

Portuguese Bilingual Expert (Brazil)

Role Type:
Contractor

Location:

Remote

micro1 is engaging Portuguese Bilingual Experts (Brazil) to contribute to a customer's project focused on advancing AI-powered technologies and language understanding. In this role, you'll apply your expertise to help train next‑generation AI systems. Your work will shape how models learn, reason, and perform through high‑quality, real‑world input. No prior experience in AI is required — your domain knowledge is what matters.

• Listen to audio clips in Portuguese and evaluate the nativeness and fluency of the speaker or model output.
• Assess pronunciation, intonation, and linguistic authenticity according to established guidelines.
• Document your assessments with clear, concise written feedback in English, noting key linguistic factors.
• Provide detailed justifications for each evaluation to ensure clarity and consistency in results.
• Collaborate with project coordinators to clarify requirements or address ambiguities in language content.
• Contribute insights to help improve AI model performance in Portuguese language understanding and generation.
• Ensure timely and accurate completion of assigned audio review tasks, maintaining high standards of quality.

• Native-level proficiency in Portuguese, with clear enunciation and natural fluency.
• Minimum B2 level proficiency in English, especially for written and verbal communication.
• Background in voice specialization, linguistics, phonetics, music/audio engineering, or related fields is prefered.
• Experience with audio analysis, transcription, or linguistic assessment is highly valued.
• Strong attention to detail and ability to articulate nuanced language differences.
• Excellent written and verbal communication skills, with a focus on clarity and accuracy.
• Familiarity with media, communications, or teaching is considered an asset.
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