Speech Audio Engineer - Fully Remote | Upto $50/hr

mercor; Deutschland; Remote; EUR 53,000 - 71,000; Part time

Job summary

Mercor is seeking an Audio Engineer (Speech / TTS Audio Specialist) to edit German voice recordings for AI systems. The role focuses on trimming silence, removing breaths, de-clicking, de-essing, and noise reduction to ensure clean data for ML pipelines.

You will evaluate pronunciation, naturalness, and fluency of German recordings, and help maintain quality across large datasets. This is a remote, contract position with a focus on German-language speech assets.

Qualifications

• Must be a native or near-native German speaker with strong listening intuition for German speech nuances.
• Experience editing speech or voice recordings.
• Hands-on experience with audio restoration software and standard QA practices.

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 technical specs for ML training pipelines.
• Evaluate recordings for pronunciation accuracy, naturalness and fluency.
• Collaborate with teams on German speech datasets and model training workflows.

Skills

German language proficiency

Audio editing

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 Details

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 iZotopeRX, ProTools, 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 speechML, voiceAI, or dataset creation/annotation workflows.
• Familiarity with audio QA pipelines, labeling, or evaluation processes.
• Experience directing or editing German voice talent recordings.