
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
4 open positions
Build the data infrastructure and pipelines that power Cartesia’s large-scale language-model pretraining. You’ll shape foundational model quality by curating massive datasets, running data experiments, and partnering with research and infrastructure teams.
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 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.