Speech Audio Engineer - AI Trainer

Visa Hunt; Germany (OH); On-site; USD 57,000 - 81,000; Full time

Job summary

Mercor is seeking an Audio Engineer (Speech / TTS Audio Specialist) to edit and process German voice recordings for AI systems. This contract role is remote and paid at $50/hour, with responsibilities spanning audio cleanup, QA, and collaboration on datasets and models.

Ideal candidates will be native or near-native German speakers with experience editing speech, strong knowledge of audio quality standards, and familiarity with high-volume datasets and restoration tools such as iZotope RX and

Qualifications

• Native or near-native German speaker.
• Experience editing speech or voice recordings.
• Strong understanding of speech audio quality standards.
• Hands-on experience with iZotope RX, Pro Tools.
• Experience working with high-volume audio datasets or structured workflows.

Responsibilities

• Edit and process German 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 quality assurance checks for clipping, distortion, background noise, artifacts, loudness, and level balancing.
• Ensure audio meets strict technical specifications for ML training pipelines.
• Evaluate recordings for German pronunciation accuracy, naturalness, and fluency.
• Collaborate with teams on German speech datasets, voice talent recordings, and model training workflows.

Skills

German language proficiency

Audio editing experience

Knowledge of audio quality standards

Experience with large audio datasets

Attention to detail

Tools

iZotope RX

Pro Tools

Job description

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) – German
Type: Contract
Compensation: $50/hour
Location: Remote

Role Responsibilities

• Edit and process German 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, artifacts, loudness consistency, and level balancing.
• Ensure audio meets strict technical specifications for ML training pipelines.
• Evaluate recordings for German pronunciation accuracy, naturalness, and fluency.
• Collaborate with teams on German speech datasets, voice talent recordings, and model training workflows.

Qualifications

Must-Have

• Native or near-native German speaker with strong listening intuition for German speech nuances.
• Experience editing speech or voice recordings.
• 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.

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 German voice talent recordings.

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.