Remote Portuguese AI Training Specialist (Brazil)

Zekai; United States; Remote; USD 34,000 - 76,000; Part time

Job summary

Zekai is seeking a 100% remote Portuguese Bilingual Expert (Brazil) for contract work focused on AI-powered language understanding. You will evaluate Portuguese audio for nativeness, pronunciation, and authenticity, then provide clear English feedback and justifications.

Collaboration with coordinators ensures clarity and consistency, with a focus on high-quality results. Remote role open worldwide to applicants accepted by the employer, emphasizing domain knowledge over prior AI experience.

Qualifications

• Native-level Portuguese with clear enunciation.
• English proficiency at least B2 for written and spoken communication.
• Background in voice specialization, linguistics, phonetics, or related fields.
• Experience with audio analysis, transcription, or linguistic assessment.
• Strong attention to detail and ability to articulate nuanced language differences.
• Excellent written and verbal communication, focused on clarity and accuracy.
• Familiarity with media, communications, or teaching is an asset.

Responsibilities

• 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.

Skills

Portuguese native fluency

English B2 proficiency

Audio analysis experience

Linguistic assessment ability

Attention to detail

Clear written and verbal communication

Education

Linguistics background

Phonetics or music/audio engineering background

Job description

Zekai is seeking a 100% remote Portuguese Bilingual Expert (Brazil) for contract work focused on AI-powered language understanding. You will evaluate Portuguese audio for nativeness, pronunciation, and authenticity, then provide clear English feedback and justifications.

Collaboration with coordinators ensures clarity and consistency, with a focus on high-quality results. Remote role open worldwide to applicants accepted by the employer, emphasizing domain knowledge over prior AI experience.