What you'll do

Gridnaut Recruiting is hiring a remote Audio Engineer (Speech / TTS Audio Specialist) – Brazilian Portuguese contractor to support a leading AI lab. You will contribute domain expertise to model training, evaluation, and structured task review. Work is fully remote, hourly, and flexible.

Who we're looking for

Edit and process Brazilian Portuguese voice recordings for TTS and speech AI systems
Perform audio cleanup including silence trimming, breath reduction, de-clicking, de-essing, and noise reduction
Run QA checks for clipping, distortion, background noise, artifacts, and loudness consistency
Evaluate Brazilian Portuguese pronunciation accuracy, naturalness, and fluency for ML training data
Ensure batches meet technical specs for speech ML pipelines while maintaining throughput and consistency

Compensation

Pay is $50/hr. Strong contributors may be promoted based on task quality and throughput.

Commitment

Flexible part-time hours, fully remote. Hourly contractor engagement.