
Cartesia
Cartesia builds real-time audio AI models and APIs for developers creating interactive voice agents and applications. Its products include Sonic for low-latency speech recognition, text-to-speech, and speech-to-speech, and Ink as companion tooling for interactive agents. Founded in 2023, the company is privately held and offers its technology as an AI/API platform for software teams.
Open Positions at Cartesia
9 open positions
Build polished product experiences that make Cartesia’s real-time voice models easy for customers to discover, evaluate, configure, and integrate. This full-stack role spans frontend, backend, APIs, analytics, and end-to-end product ownership.
Product Support Engineer responsible for helping Cartesia customers resolve complex technical issues across APIs, models, integrations, and platform reliability. The role combines hands-on troubleshooting, customer partnership, issue reproduction, documentation, and support tooling.
Join Cartesia as an Applied Researcher in Audio Post-Training, where you'll enhance generative audio models by bridging customer needs with innovative research.
Build the platform powering low-latency inference, serving, data processing, and evaluation for Cartesia’s cutting-edge multimodal foundation models. You’ll work across research and product engineering to turn novel AI systems into real-world products.
Own the strategy and engineering of scalable multimodal data infrastructure powering Cartesia’s foundation-model research, with particular focus on audio, text, and video datasets. Partner with research and inference teams to build high-throughput pipelines that directly improve model capabilities and quality.
Build the distributed backend platform behind Cartesia’s production-grade real-time voice agents. You’ll own backend projects end-to-end while shaping latency, reliability, scaling, and developer experience.
Build and deploy production-grade agentic voice AI systems by embedding directly with enterprise customers. This founding role combines backend engineering, customer-facing implementation, complex infrastructure deployments, and product influence.
Build the backend infrastructure and enterprise platform capabilities that enable Cartesia’s agentic voice AI solutions to operate reliably in demanding customer environments. The role offers significant ownership across deployments, scalability, security, and operational maturity.
Build the low-latency inference and serving stack powering Cartesia’s real-time multimodal foundation models. You’ll work across research and product engineering to deploy cutting-edge models reliably and cost-effectively.