Researcher, Evals
Cartesia· Research
*HQ - San Francisco, CA$220k - $350kFull-timePosted 11mo ago
About the role
Evaluations Lead who designs evaluation frameworks and pipelines for next-generation interactive AI models, bridging research, product, and infrastructure to measure capabilities, reasoning, memory, and real-world interaction.
Responsibilities
- Identify and define key model capabilities and behaviors that matter for next-generation model evals
- Develop and implement new evaluation pipelines with robust statistical analysis and clear reporting
- Partner closely with model training and research teams to embed evaluation systems directly into model development loops
- Prototype new user studies and behavioral experiments to ground evaluations in real-world use.
Qualifications
- Experience designing or implementing evaluation frameworks for generative models (audio, text, or multimodal)
- Strong technical and analytical skills, ability to translate open-ended research ideas into production-ready systems
- Creativity in defining novel quantitative metrics for subjective or behavioral qualities
- Excitement for building evaluation systems that bridge research and real-world use
- Curiosity and rigor in equal measure; motivation driven by discovering how to measure meaningful progress in intelligent behavior
Skills
Required:Evaluation framework designProduction-ready systemsQuantitative metrics designCross-functional collaboration
Benefits
- Compensation: Competitive base salary alongside attractive equity package
- Health Insurance: Fully covered medical insurance along with dental and vision for you and your family
- Parental Leave: 9 weeks paternity & 12 weeks maternity leave
- 401(k)
- Commuter Allowance: Monthly stipend to help you get to and from the office
- Flexible PTO
- Meals & Snacks: Lunch, dinner and plenty of snacks, provided daily
Last updated Jul 15, 2026. Interested? Apply on the company site.
About Cartesia
Real-time TTS API with AI laughter and emotion
Cartesia offers Sonic-3, a streaming text-to-speech API capable of generating natural, expressive voices with laughter in 40+ languages—built for AI agents and interactive applications.
AI voicesinteractive appsliquid-ai-recruiting-targetmultilingualstreaming APItext-to-speechvoice-ai-stack
More open roles at Cartesia
- Product and Research Operations Manager4d ago*HQ - San Francisco, CA · Product
- Strategic Partnerships Manager, Systems Integrators1w ago*HQ - San Francisco, CA · GTM
- Product Support Engineer, India2w agoBangalore · Product
- Research Engineer, Data Infrastructure (Language Modeling)3w ago*HQ - San Francisco, CA · Research
- GTM Strategist, Inbound3w ago*HQ - San Francisco, CA · GTM