Language Lead – French

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🔥 3 hours ago

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Cartesia

WebsiteLinkedInAll Job Openings

11 - 50 employees

🤖 Artificial Intelligence

☁️ SaaS

Artificial Intelligence • SaaS

Cartesia is dedicated to developing the next generation of artificial intelligence that is ubiquitous and interactive, providing real-time multimodal intelligence accessible on various devices. With a mission focused on enhancing user experience, Cartesia invites users to try their product, Sonic, through their website and engage with their community on Discord.

📋 Description

• Serve as the primary language resource and trusted point of contact for French voice AI work • Manage annotation quality, audit data, monitor product performance, investigate customer-reported issues, and execute linguistically complex projects • Coordinate with the Human Evals Manager on project deliverables and timelines • Answer annotator questions about guidelines, edge cases, and language-specific issues • Cascade feedback, instructions, and rubric updates to annotators • Review annotator-rated audio and assess alignment with rubrics • Prepare written quality assessments with examples and recommendations • Evaluate TTS pronunciation, prosody, and naturalness in French • Update and expand annotation guidelines • Run calibration meetings and office hours • Develop onboarding materials for annotators • Write QA reports on annotation quality and calibration outcomes • Review production audio and flag quality issues • Investigate customer-reported language issues and identify root causes • Audit datasets for linguistic accuracy, completeness, and consistency

🎯 Requirements

• Native-level proficiency in French as spoken in France • Experience with data annotation, transcription, or language quality assurance • Strong foundation in linguistics or a related field • Ability to apply phonetics, prosody, and intonation when evaluating speech and writing annotation guidelines • Strong written English proficiency • Ability to write clear, structured instructions and deliver specific, actionable feedback • Comfortable working with inter-rater agreement scores, audit spreadsheets, and structured feedback templates • Self-directed ability to manage feedback cycles, QA reviews, and data projects without close oversight • Roughly 40 hours per week availability with flexibility in scheduling • Availability for coordination meetings and schedule overlap during US Pacific business hours • Must be authorized to work in your country of residence • Preferred: experience writing or maintaining annotation guidelines or rubrics • Preferred: experience training, mentoring, or managing annotators • Preferred: experience with audio evaluation, TTS, or STT • Preferred: conversational spoken English proficiency for meetings and calibration syncs • Preferred: experience working with distributed, remote teams • Must supply own equipment and be responsible for own taxes

🏖️ Benefits

• Ongoing contractor engagement, renewable by mutual agreement • Flexible scheduling • Control over own methods for completing assigned work • Competitive base salary alongside attractive equity package (US Employees Only benefits section) • Fully covered medical insurance along with dental and vision for you and your family (US Employees Only) • 9 weeks paternity & 12 weeks maternity leave (US Employees Only) • 401(k) (US Employees Only) • Monthly commuter allowance (US Employees Only) • Flexible PTO (US Employees Only) • Lunch, dinner and plenty of snacks, provided daily (US Employees Only) • Your own personal Yoshi (US Employees Only) • Visa sponsorship support assessed case-by-case