Portuguese (Brazil) Audio Recording Expert

About OpenTrain

OpenTrain AI is the #1 platform for finding and building careers in AI training and data labeling. We help contributors discover projects, build a professional AI training profile, and apply for opportunities that match their skills.

For this role, OpenTrain AI is hiring a remote contractor to produce professional-quality Brazilian Portuguese audio for AI training projects.

About AI Audio Training

AI systems learn from carefully prepared examples, including natural speech and professionally recorded audio. Audio contributors help improve how models understand language, pronunciation, clarity, and context.

This work is part of a fast-growing field that lets skilled contributors apply their expertise to cutting-edge AI development from anywhere.

The Role

As a Portuguese (Brazil) Audio Recording Expert, you will create high-fidelity recordings in Brazilian Portuguese using professional-grade equipment. You will interpret project guidelines, produce natural and contextually relevant samples, and maintain consistent technical and linguistic quality.

No prior AI experience is required. Your professional audio recording expertise, voice work, and Portuguese fluency are the foundation for success in this role.

• Remote contractor position
• Part-time engagement with a 20+ hour weekly requirement
• Work from anywhere
• Pay range of $20–$40 USD per hour, depending on experience and project requirements

What You'll Do

• Create and deliver high-fidelity Brazilian Portuguese audio recordings using professional-grade equipment.
• Interpret project guidelines to produce clear, natural, and contextually relevant audio samples for AI training.
• Curate, review, and verify the linguistic accuracy and quality of submitted recordings.
• Follow technical and quality standards for file formatting, consistency, and clarity.
• Provide a professional audio sample during the project onboarding process.
• Meet agreed-upon deliverables and timelines for audio submissions.
• Collaborate remotely with project coordinators and provide feedback as needed.

Requirements

• Native-level fluency in Brazilian Portuguese.
• At least three years of professional audio recording or voice work.
• Proficiency with high-end recording equipment and industry-standard audio editing tools.
• A portfolio or demonstrated track record of high-quality audio projects.
• Familiarity with quality assurance processes for audio deliverables.
• Excellent written and verbal communication skills in Portuguese.
• Ability to follow nuanced project instructions and produce high-quality audio samples.
• Ability to collaborate effectively in a remote, feedback-driven engagement.

Helpful Background

Experience with voice-overs, podcasts, music, narration, or other audio sample work is a plus. This opportunity may suit an experienced audio professional who wants to contribute directly to the development of next-generation AI.

Schedule and Project Details

Weekly hours and project duration will be determined through mutual agreement with the project coordinator. The engagement is designed for remote, flexible contractor work, with expected availability of 20 or more hours per week.

• Employment type: Contractor, part-time
• Location: Remote, worldwide
• Language: Brazilian Portuguese
• Data type: Audio recording
• Payment: $20–$40 USD per hour