Portuguese Bilingual Expert (Brazil)

micro1 Inc.; Brasil; Remote; BRL 112,000 - 187,000; Full time

Job summary

micro1 is seeking a Portuguese Bilingual Expert (Brazil) as a remote contractor. You will review Portuguese audio, assess nativeness and fluency, and provide English-written feedback to guide AI model improvements.

Qualified candidates will possess native Portuguese, at least English B2, and a background in linguistics or voice-related fields. You will collaborate with coordinators to ensure precise language content and timely task completion.

Qualifications

• Native-level Portuguese proficiency.
• English minimum B2 proficiency for written and verbal comms.
• Background in voice specialization, linguistics, phonetics, music/audio engineering, or related fields is preferred.
• 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, focused on clarity and accuracy.

Responsibilities

• Listen to Portuguese audio and evaluate nativeness and fluency of speaker or model output.
• Assess pronunciation, intonation, and linguistic authenticity per guidelines.
• Document assessments with clear, concise written feedback in English.
• Provide detailed justifications to ensure clarity and consistency in results.
• Collaborate with project coordinators to clarify requirements or address ambiguities in language content.
• Contribute insights to improve AI model performance in Portuguese language understanding.
• Ensure timely and accurate completion of audio review tasks with high quality.

Skills

Portuguese proficiency (native-level)

English proficiency (B2)

Voice/linguistics background

Audio analysis experience

Attention to detail

Strong written/verbal communication

Education

Background in linguistics/phonetics/voice specialization

Job description

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.

Scope of Work

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

Preferred Qualifications

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