Meridial Marketplace, by Invisible · 4 days ago
Audio Engineering Expert (SME) - Freelance Project
United States
Contract
Remote
Mid, Senior Level
$25/hr - $100/hr
3+ years expMeridial Marketplace, by Invisible is seeking a highly experienced Audio professional consultant to serve on AI training data projects for leading AI model builders and enterprises. The role focuses on defining success criteria, reviewing outputs, and providing guidance to improve quality and speed, directly contributing to the delivery of domain-specific annotated datasets.
Computer Software
Responsibilities
Define domain-specific quality success metrics (e.g., 48 kHz sample rate, 24-bit depth, mono per talent, uncompressed WAV/Linear PCM)
Develop project-specific SOPs, QA rubrics, and reference materials for the specific purpose of meeting client technical standards
Review project outputs (recordings, annotations) against technical standards, flagging and correcting defects before client delivery
Perform structured QA passes on daily/weekly drops; flag, track, and resolve defects quickly to hit delivery deadlines
Return files to contractors with precise remediation notes
Provide advisory input on recording pipelines, mic requirements, and room treatment to meet quality benchmarks
Handle spec changes and edge-case scenarios — e.g., evaluation of new client codec/format requests — drafting acceptance criteria or workarounds
Curate example libraries of 'gold standard' clips to calibrate the team and assess comparability to agreed sample references
Participate in vetting and assessing technical contractor talent for specific projects
Review sample work from contractors and provide precise, actionable written feedback to improve outputs
Create targeted training or calibration resources — e.g., mic technique, gain staging, room treatment, and noise mitigation
Advise on technical scoping and requirements during project setup
Provide expert guidance for edge cases, technical exceptions, and specification changes
Contribute to post-project reviews to capture lessons learned and improve future standards
Identify and summarize client model observations and insights
Build dashboards or trackers with defect categories and recurrence to surface production insights that improve project outcomes
Conduct post-mortems, analyze defect trends, and propose process tweaks or training refreshers
Qualification
Required
Deep technical expertise and 3+ years professional experience in audio engineering, dialog/voice recording, or post-production QA
Mastery of digital audio standards (48 kHz, 24-bit, mono, uncompressed WAV/Linear PCM)
Proven ability to set, enforce, and maintain high technical standards in audio production and QA
Strong communication skills for delivering clear technical guidance
Experience producing technical documentation, quality rubrics, or training resources
Ability to work within fixed project timelines and scope
Strong attention to detail, documentation discipline, and commitment to accuracy and consistency
Fluency in spoken and written English, with clear and concise writing skills
Benefits
Health insurance
PTO
Company
Meridial Marketplace, by Invisible
We are the AI training and scaling partner for the leading foundation model providers, enterprises, and governments, bridging the gap between AI potential and production.
5001-10000 employees
Funding
Current Stage
Late StageCompany data provided by crunchbase