We are looking for Audio Engineer (Speech / TTS Audio Specialist) – Brazilian Portuguese candidates for a project delivered through the hiring partner.
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, and 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.
What you need
- Native or near-native Brazilian Portuguese speaker with strong listening intuition for Brazilian Portuguese speech nuances.
- Experience editing speech or voice recordings (not just music production).
- Strong understanding of speech audio quality standards and common issues in recorded dialogue.
- 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 or structured workflows.
Nice to have
- 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.
- Detail-oriented with strong critical listening skills in Brazilian Portuguese.
- Comfortable working with repetitive, high-precision tasks at scale.
- Able to balance speed and quality in production environments.
- Familiar with the nuances of human Brazilian Portuguese speech vs synthetic voice requirements.
Expertise
Who you work with
Project and contracting process: the hiring partner. Applications continue on the provider's website.
Pay and hours
This role pays $20–$30/hr. The work is remote. That is about 43% below the $44 an hour median for language & audio roles open now.
Who can apply from where
The provider lists this role as open worldwide. With a profile, Tier1 checks your country and languages against this role and every other before you apply.