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STEM mercor

Audio Engineer (Speech / TTS Audio Specialist) – French

🇫🇷

Mercor • Remote, France

Education

Not stated

Type

Hourly

Pay Rate

$50/hr

Listed

58d ago

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About this role

From the Mercor listing

Overview We're looking for audio engineers with strong experience editing and quality-checking voice recordings for speech and text-to-speech (TTS) applications, specifically for French-language audio. This role focuses on preparing high-quality audio datasets for machine learning systems, ensuring clarity, consistency, and technical compliance across large volumes of French speech data. Native or near-native French fluency is required to accurately assess speech quality, pronunciation, and naturalness.


What You'll Do

  • Edit and process French 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

    • Loudness consistency and level balancing

  • Ensure audio meets strict technical specifications for ML training pipelines

  • Evaluate recordings for French pronunciation accuracy, naturalness, and fluency

  • Work with large batches of recordings, maintaining consistency and throughput

  • Collaborate with teams working on French speech datasets, voice talent recordings, and model training workflows


Basic Qualifications

  • Native or near-native French speaker with strong listening intuition for French 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


Preferred Qualifications

  • 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 French voice talent recordings


Ideal Candidate Profile

  • Detail-oriented with strong critical listening skills in French

  • Comfortable working with repetitive, high-precision tasks at scale

  • Able to balance speed and quality in production environments

  • Familiar with the nuances of human French speech vs synthetic voice requirements

Requirements

  • Must be eligible to work in one of: Remote, France
  • Fluent proficiency in English (Written & Verbal)
  • Reliable high-speed internet connection
  • Bachelor's degree or equivalent professional experience
  • Demonstrated expertise in STEM

How long hiring takes

Across the AI training platforms we refer candidates to, the median gap between referral and hire is about 30 days. It varies by platform and role, so treat it as a rough guide for this one.

Within 2 weeks
~25%
Within 6 weeks
~60%
Within 3 months
~80%

Talent Pool members

Apply through this link and we can put you forward to Mercor when your profile is a strong match. Not every applicant is submitted. If you're not in the pool yet, set up your profile first.

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Eligible Languages

Fluent proficiency in French

French

Key responsibilities

  • Edit and process French 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

Why this role

Being remote means this Audio Engineer (Speech / TTS Audio Specialist) – French position pays $50/hr regardless of your zip code, opening up STEM work that used to require living in one of a handful of cities.

Talent pool

We're light on STEM candidates

We've matched 65 people with a STEM background against 726 STEM listings we've tracked, so most go out without one. Set up a profile and we'll consider you for a role like this one.

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Skills and categories

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Common questions

Is Mercor for freelancers or full-time contractors?

Mercor places you with one client for a defined engagement, like 'Python Tutor for 3 months', rather than having you grab small tasks from a shared queue. Most roles function as steady contract work, not one-off gigs.

Does Mercor's application require an on-camera interview?

Yes, every applicant records a video interview with an AI interviewer that asks questions about your resume. Clients review that recording to judge communication skills before matching, so there's no way to apply without going on camera.

Do I need a PhD for academic-niche AI training roles?

For the top pay tiers, a PhD or current enrollment is usually expected. But the domain assessment is what decides it: if you can solve the problems, the degree becomes secondary.

Is academic-niche AI training a continuous job?

Usually not. Work runs in campaigns, like training a model specifically on quantum mechanics, that might last a few weeks. Treat it as a high-paying fellowship or grant rather than a permanent daily job.

What does STEM work look like for an Audio Engineer (Speech / TTS Audio Specialist) – French?

Tasks here are scoped to STEM, not generic labeling. As an Audio Engineer (Speech / TTS Audio Specialist) – French, expect to draw on real domain judgment (evaluating outputs, correcting errors, or providing expert reasoning specific to STEM) rather than following a one-size-fits-all rubric. If you don't have hands-on STEM background, this is likely not the right listing to start with.

What specific skills does this listing call for?

Coding and French are named directly in the listing. If you don't have hands-on experience with these, expect the screening process to test for them directly rather than accepting adjacent experience as a substitute.

How much does this specific role pay?

This listing is posted at $50/hr, an hourly rate. Pay can change between when we last checked the listing and when you apply, so confirm the current number on the platform's own application page before committing time.

Do I need to be fluent in French?

Yes. This role specifically requires French proficiency, on top of the English most AI training work assumes by default. If French is not a language you're fluent in, this is not the right role. Filter for your native language to find better-matched listings.

What happens when I click Apply on this listing?

You'll be taken to Mercor's external site to complete your application there. This listing links through a referral, but the process is identical to applying directly; the link just routes you correctly. Create an account on their site and follow their onboarding steps.

Can I apply from outside France?

This specific role is open only to people based in France. If you are somewhere else, applying is unlikely to lead to an offer even if you pass the assessment, because the restriction is usually about where the work can legally be contracted rather than your skills. Read the full description for any tax-residency or right-to-work caveats before you apply.

How soon will I start working after applying to Mercor?

Not immediately. Mercor is a talent marketplace, not a task queue, so applying puts you in a pool of candidates. You start working only once a specific client, like a major AI lab, selects your profile, and that matching process can take weeks.