Mercor
Audio Engineer (Speech / TTS Audio Specialist) – Brazilian Portuguese
- Pay
- $20–30/hr
- Type
- Hourly
- Location
- Remote
- Posted
- Oct 13, 2026
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About this role
Overview We're looking for audio engineers with strong experience editing and quality-checking voice recordings for speech and text-to-speech (TTS) applications, specifically for Brazilian Portuguese-language audio. This role focuses on preparing high-quality audio datasets for machine learning systems, ensuring clarity, consistency, and technical compliance across large volumes of Brazilian Portuguese speech data. Native or near-native Brazilian Portuguese fluency is required to accurately assess speech quality, pronunciation, and naturalness. What You'll Do 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 and distortion Background noise and artifacts Loudness…
