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 seeking an exceptional Developer Relations expert to build and nurture Cartesia’s developer ecosystem from the ground up. You’ll be the bridge between our product, engineering, and community—helping developers unlock the full potential of Cartesia’s real-time voice and audio models.

Your Impact

• Create best-in-class developer experiences by writing compelling sample code, SDKs, and tutorials that showcase the power of Cartesia’s APIs.

• Maintain and evolve our documentation with precision and care, ensuring every detail is clear, discoverable, and delightful to use.

• Advocate for developer needs by collecting feedback from the community, GitHub, Discord, and conferences—translating insights into actionable improvements for our product and APIs.

• Represent Cartesia in the community by speaking at conferences, leading workshops, and running hackathons that inspire developers to build with voice.

• Shape API ergonomics in collaboration with our product and engineering teams, ensuring developer experience is baked into every design decision.

• Cultivate an engaged developer community by fostering authentic connections across Discord, online forums, and events—amplifying the creativity of those building on our platform.

What You Bring

• 5+ years of experience in Developer Relations, Developer Advocacy, or a highly technical marketing or product role.

• Strong engineering background with ability to write clean, idiomatic sample code in Python, JavaScript, or similar languages.

• Demonstrated success maintaining or contributing to developer documentation, SDKs, or open-source projects.

• Excellent communication and writing skills—able to translate complex technical topics into engaging, accessible content.

• Deep understanding of developer psychology, community dynamics, and what makes technical products beloved by builders.

• Comfort operating across fast-moving teams and wearing multiple hats in a startup environment.
  

Nice to Have

• Experience working with APIs, SDKs, or developer platforms in AI, voice, or audio technology.

• Background in running or organizing hackathons, workshops, or technical community programs.

• Experience with Discord, GitHub, and modern DevRel tooling for community engagement.

• Passion for creative coding, generative AI, or emerging developer ecosystems

• A growing following on YouTube, Twitter/X, LinkedIn, or other social platforms, demonstrating influence and engagement in the developer or tech community.

What We Offer

🍽 Lunch, dinner and snacks at the office

🏥 Fully covered medical, dental, and vision insurance for employees

🏦 401(k)

✈️ Relocation and immigration support

🦖 Your own personal Yoshi

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.