Product Engineer

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About Cartesia

Our mission is to build the next generation of AI : ubiquitous, interactive intelligence that runs wherever you are. Today, not even the best models can continuously process and reason over a year-long stream of audio, video and text—1B text tokens, 10B audio tokens and 1T video tokens—let alone do this on-device.

We’re pioneering the model architectures that will make this possible. Our founding team met as PhDs at the Stanford AI Lab, where we invented State Space Models or SSMs, a new primitive for training efficient, large-scale foundation models. Our team combines deep expertise in model innovation and systems engineering paired with a design‑minded product engineering team to build and ship cutting‑edge models and experiences.

We’re funded by leading investors at Index Ventures and Lightspeed Venture Partners, along with Factory, Conviction, A Star, General Catalyst, SV Angel, Databricks and others. We’re fortunate to have the support of many amazing advisors, and 90+ angels across many industries, including the world's foremost experts in AI.

About The Role

We're hiring a Product Engineer to advance our mission of building real-time multimodal intelligence.

Your Impact

• Be the driving force behind new products, taking them from concept to launch with a focus on professional‑grade utility and smooth user onboarding
• Translate the latest AI research into practical, high‑performance products
• Design and implement intuitive interfaces that make frontier AI capabilities accessible
• Prototype and launch new AI‑driven products and experiences
• Work closely with our customers to make sure they're successful
• You’ll have significant autonomy to shape our products and directly impact how cutting‑edge AI is applied across various devices and applications.

What You Bring

Our Culture

🏢 We’re an in‑person team based out of San Francisco. We love being in the office, hanging out together, and learning from each other every day.

🚢 We ship fast. All of our work is novel and cutting edge, and execution speed is paramount. We have a high bar, and we don’t sacrifice quality or design along the way.

🤝 We support each other. We have an open & inclusive culture that’s focused on giving everyone the resources they need to succeed.

Seniority level

Entry level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Software Development

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