Software Engineer, Agent Harness
Cartesia · *HQ - San Francisco, CA
CHECKED 7H AGO
Applied AIonsite$180k–$250k
At a glance
Highlights
- Own the real-time platform powering production-grade voice agents.
- Cut end-to-end conversational latency for real-time voice agents.
- Define how voice agent quality is measured before it ships.
What they offer
- Competitive base salary and equity package
- Fully covered medical, dental and vision for you and family
- 9 weeks paternity and 12 weeks maternity leave
- 401(k)
- Monthly commuter allowance
- Flexible PTO
- Daily lunch, dinner and snacks
Ideal candidate
Backend builder who has shipped distributed systems in production and thinks in latency, reliability, and developer experience. You move fast, use coding agents fluently, and want to own real-time voice infrastructure end to end.
Requirements
- Experience building and operating distributed backend systems in production
- Strong product instincts for latency, reliability and developer experience
- Fluent use of coding agents and keeping pace with the frontier
- Clear communication with technical and non-technical audiences
- remote policy
- In-person team in San Francisco, London and Bangalore
- visa sponsorship
- Visa sponsorship support assessed case-by-case
Lab profile
About Cartesia
Architects efficient State Space Model foundation models for human-like real-time AI interaction.
Known for
- State Space Models (SSMs)
- Efficient large-scale foundation models
- Model innovation and systems engineering