Audio Engineer (Speech / TTS Audio Specialist) – Brazilian Portuguese

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.

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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 consistency and level balancing
• Ensure audio meets strict technical specifications for ML training pipelines
• Evaluate recordings for Brazilian Portuguese pronunciation accuracy, naturalness, and fluency
• Work with large batches of recordings, maintaining consistency and throughput
• Collaborate with teams working on Brazilian Portuguese speech datasets, voice talent recordings, and model training workflows
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