Cartesia · 8 hours ago
Software Engineer, Product
San Francisco, CA
Full-time
Onsite
Mid Level
3+ years expCartesia is a company focused on pioneering the next generation of AI technology. They are seeking a Software Engineer, Product to build and scale the platform infrastructure for their voice AI products, ensuring efficient feature delivery across their systems.
Artificial Intelligence (AI)Real TimeSoftware
Responsibilities
Build and scale product platform components to support Cartesia's growth
Own critical product infrastructure end-to-end, such as realtime infra
Work alongside product teams to identify shared needs and build platform primitives that multiply their velocity
Qualification
Required
3+ years of experience as a backend or platform engineer building scalable systems
You think in terms of customer outcomes, not just technical requirements
Enjoy full ownership of your work, and effectively navigate ambiguous problems to deliver results
Strong judgment on when to move fast and when to invest in scalability
Comfort across our stack: TypeScript on the frontend, Python + Go on the backend. You don't need to be an expert in all three, but you're not afraid of any of them
Preferred
Experience with PostgreSQL, Redis, NATS, or similar data and messaging systems at scale
Familiarity with real-time streaming systems, or WebRTC
Background in observability infrastructure (Datadog, Prometheus, OpenTelemetry) and building internal tooling for debugging production systems
Company
Cartesia
Cartesia provides real-time multimodal intelligence for all devices.
11-50 employees
H1B Sponsorship
Cartesia has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (2)
Funding
Current Stage
Early StageTotal Funding
$86MKey Investors
Kleiner PerkinsIndex Ventures
2025-03-11Series A· $64M
2024-12-12Seed· $22M
Leadership Team
Karan Goel
Founder / CEO
Arjun Desai
Co-Founder
Recent News
2026-01-22
South China Morning Post
2025-11-26
Company data provided by crunchbase