Portuguese Bilingual Expert (Brazil)

HumanitApp; Brasil; Remote; BRL 228,000 - 494,000; Part time

Job summary

micro1 is seeking Portuguese-speaking experts to review audio for AI language understanding. You will evaluate nativeness, pronunciation, and fluency, then document results in English with clear justifications. This remote contractor role supports AI model training and quality assurance.

Ideal candidates have native Portuguese, at least B2 English, and experience in linguistics or audio analysis. Remote work from Brazil is preferred, with an hourly contract and flexible schedule.

Qualifications

• Native-level proficiency in Portuguese and clear enunciation.
• English proficiency at least B2 for written and spoken communication.
• Background in voice, linguistics, phonetics, or audio/musical engineering is preferred.
• Experience with audio analysis, transcription, or linguistic assessment is highly valued.
• Strong attention to detail with ability to articulate nuanced language differences.
• Familiarity with media, communications, or teaching is a plus.

Responsibilities

• Listen to audio clips in Portuguese and evaluate nativeness and fluency.
• Assess pronunciation, intonation, and linguistic authenticity per guidelines.
• Document assessments with clear, concise feedback in English, with justifications.

Skills

Portuguese native

English B2

Audio analysis

Transcription

Attention to detail

Written communication

Verbal communication

Education

Linguistics background

Phonetics

Music/Audio engineering

Job description

Future projects, not immediate vacancies. Check each network's country and experience requirements.

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

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.

Preferred Qualifications

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.

Source: micro1 official job description, checked 2026-11-09. Confirm current availability, country eligibility and final terms on the official listing. Certification does not guarantee paid work.

Portuguese

Compensation context

The listing states $30 - $65/hour. Confirm the final rate, workload, and payment terms during the official application process.

• Native-level proficiency in Portuguese, with clear enunciation and natural fluency.
• Minimum B2 level proficiency in English, especially for written and verbal communication.

Remote · Country eligibility: check the official listing · Work type not specified

Remote — preferred: Brazil · Hourly contract

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