Brazilian Portuguese Audio Engineer at mercor · ApplyPick
Jobs / mercor / Brazilian Portuguese Audio Engineer Brazilian Portuguese Audio Engineer mercor
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About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .
Position: Audio Engineer (Speech / TTS Audio Specialist) – Brazilian Portuguese Type: Contract Compensation: $50/hour Location: Remote Role Responsibilities
Edit and process Brazilian Portuguese voice recordings for use in TTS and speech AI systems .
Perform audio cleanup including silence trimming, breath reduction/removal, de-clicking, de-essing, and noise reduction.
Conduct detailed quality assurance checks for clipping, distortion, background noise, and loudness consistency.
Ensure audio meets strict technical specifications for ML training pipelines .
Evaluate recordings for Brazilian Portuguese pronunciation accuracy , naturalness, and fluency.
Collaborate with teams working on Brazilian Portuguese speech datasets , voice talent recordings, and model training workflows.
Qualifications
Must-Have
Native or near-native Brazilian Portuguese speaker with strong listening intuition for Brazilian Portuguese speech nuances.
Experience editing speech or voice recordings .
Strong understanding of speech audio quality standards .
Hands-on experience with tools like iZotope RX , Pro Tools , or similar audio restoration software.
Ability to identify and fix artifacts, inconsistencies, and technical defects in audio.
Experience working with high-volume audio datasets .
Preferred
Experience working with TTS vendors or platforms .
Prior involvement in speech ML , voice AI , or dataset creation/annotation workflows.
Familiarity with audio QA pipelines , labeling, or evaluation processes.
Experience directing or editing Brazilian Portuguese voice talent recordings .
Application Process (Takes 20–30 mins to complete)
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Originally posted on Himalayas
About the job
Apply before Dec 13, 2026
Posted on Oct 14, 2026
Hiring timezones UTC-5 to UTC-2