Software Engineer, Agents

Ovii's Interpretation of the Role

We are looking for a Software Engineer to own and evolve the backend platform that powers Cartesia's real‑time voice agents. You will design, build, and operate distributed services while shaping latency, reliability, and developer experience for our customers.

Role Snapshot

• Own end‑to‑end backend platform for voice agents
• Build and operate distributed systems and real‑time media pipelines
• Define APIs, observability, and developer tooling
• Set latency, reliability, and scaling targets

Must-Have Requirements

• Distributed backend systems development
• Product‑oriented platform design
• Technical communication
• Fluent use of AI coding tools
• distributed backend systems
• high‑growth startup environment

Nice-to-Have Signals

• Go
• Python
• Real‑time media protocols (WebRTC, SIP, RTP)
• Kubernetes, Docker, NATS, gRPC
• OpenTelemetry
• real‑time media systems
• cloud infrastructure primitives

Work Setup

• Location: San Francisco, USA
• Work mode: ONSITE
• Employment type: Full-Time

Eligibility Gates

• Visa sponsorship: yes

Not Specified in JD

• Visa sponsorship details
• Salary range
• Remote eligibility

What You'll Likely Work On

• Build load‑balancing servers, workers, and real‑time media pipelines that power voice agents
• Design, implement, ship, monitor, and iterate backend services from specification to production
• Establish latency budgets, reliability targets, and scaling primitives, and articulate trade‑offs
• Create and maintain developer‑facing APIs, observability, and evaluation tooling
• Operate the platform to ensure high performance and availability at scale

Good Fit If You Have

• Strong product instincts for platform latency, reliability, and developer experience
• Second‑order thinking: can explain design trade‑offs clearly
• Excellent communication with both technical and non‑technical audiences
• Experience shipping distributed systems in a high‑growth environment