Audio Production Expert (Contract)

Cartesia • San Francisco, CA

10d • $45 - $60

About The Position

Cartesia is hiring an Audio Production Expert to own the technical side of voice production, from defining specifications and reviewing raw recordings through processing and final delivery. The role transforms recordings into high-quality voices and fulfills voice requests from Cartesia’s Voices team to meet the requested fidelity, timeline, and requirements. It is an internal role, working day to day with the Voice Production Lead, who owns the creative and customer side; this position owns technical production standards and helps define what good audio means at Cartesia.

The expert will establish casting requirements, evaluate recordings, develop repeatable production workflows and voice specifications, and support audio needs for text-to-speech and automatic speech recognition research and data. The role is expected to understand Cartesia’s voice pipeline quickly, begin shipping voices from raw datasets under a predefined service-level agreement, and build systems and internal know-how to scale production.

This is an ongoing 1099 contract opportunity, renewable by mutual agreement. The contractor controls their methods, supplies their own equipment, and is responsible for their own taxes. The role is not eligible for the benefits described in the posting. Applicants must be authorized to work in their country of residence.

Requirements

• Deep command of audio fundamentals and technical details, including recording, editing, processing, mastering, and delivery specifications.
• Strong grasp of voice fundamentals and the ability to describe voices precisely in terms such as pitch, timbre, pace, intonation, and room sound.
• Ability to use tools such as Claude Code to automate repetitive work and complete tasks quickly.
• Clear, direct communication skills and ability to work well with others.
• Authorization to work in the country of residence.
• Ability to supply own equipment and responsibility for own taxes as a 1099 contractor.

Nice To Haves

• Experience with text-to-speech, speech recognition, voice cloning, or speech datasets.
• Experience directing in multiple languages or accents.
• Basic scripting skills with Python, ffmpeg, or SoX for batch work.

Responsibilities

• Define casting requirements and evaluate raw voice recordings.
• Produce high-quality voices from recordings through audio engineering and voice expertise.
• Translate voice requests from the Voices team into voices that meet the requested qualities and requirements.
• Develop specifications, workflows, and internal know-how to make voice production repeatable and scalable.
• Support Research and Data teams with audio for TTS and ASR needs.

What This Job Offers

• Education Level: No Education Listed