Software Engineer, Agent Harness

Company

Cartesia

Where

*HQ - San Francisco, CA

Level

Mid

First seen

August 6, 2026

Listed via

Ashby

What the posting says

In this role, you'll build the platform behind Managed Agents. Customers rely on our stack to run real-time, production-grade voice agents. You'll own the stack end-to-end and directly shape the latency, reliability, and developer experience of every agent built on Cartesia. YOUR IMPACT - Evolve the realtime transport layer that carries audio between users and agents, expanding how customers connect across web, SDKs, and telephony without regressing latency or quality. - Trace and cut end-to-end conversational latency across the STT, LLM, and TTS pipeline. - Make agent deployments fast and…

Read more and apply on Cartesia's site

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