Language Lead - English
New
C
CartesiaArtificial Intelligence
Remote, Availability during some US Pacific business hours is preferred.ContractLead
Salary25 - 35 USD per hour
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Job Details
- Languages
- English
- Required Skills
- Data AnalysisQuality Assurance
Requirements
- Native-level proficiency in English as spoken in the US.
- Strong foundation in linguistics or a related field, with the ability to apply concepts like phonetics, prosody, and intonation.
- Experience with data annotation, transcription, or language quality assurance.
- Strong written English proficiency for reports, guidelines, and team communication.
- Ability to write clear, structured instructions and deliver specific, actionable feedback.
- Comfortable working with metrics such as inter-rater agreement scores, audit spreadsheets, and structured feedback templates.
- Self-directed and able to manage feedback cycles, QA reviews, and data projects without close oversight.
- Experience writing or maintaining annotation guidelines or rubrics (Preferred).
- Experience training, mentoring, or managing other annotators (Preferred).
- Experience with audio evaluation, TTS, or STT (Preferred).
Responsibilities
- Manage annotation quality, audit data, and monitor product performance for English voice AI.
- Act as the primary point of contact for annotators regarding guidelines, edge cases, and language-specific questions.
- Review and provide ground truth assessments for TTS output, focusing on pronunciation, prosody, and naturalness.
- Prepare written quality assessments and deliver actionable feedback to annotators.
- Update annotation guidelines and develop onboarding materials.
- Conduct calibration meetings and provide real-time support during active studies.
- Audit datasets for linguistic accuracy, completeness, and consistency.
- Investigate customer-reported issues and conduct root cause analysis.
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