Brazilian Portuguese Audio Engineer

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) Upload resume AI interview based on your resume Submit form Resources & Support For details about the interview process and platform information, please check: For any help or support, reach out to: PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. Originally posted on Himalayas