Global AI MapSonic ↗
Official project, model family or research program. Follow the source for versions, releases and terms.
United States / AI lab
Cartesia
◎ San Francisco, United States
Cartesia develops Sonic models.
Key outputs
People & contributors
- Albert Gu ↗Research / leadershipSOURCE ↗
Roles are tied to the linked sources. Paper authors are credited as contributors, which does not establish current employment.
Presentations & demonstrations
4m47sBuild a Talking AI Agent Avatar in Minutes: Cartesia + HeyGen LiveAvatar
10m20sDomain-Specific Speech-to-Text for Voice Agents: Ink-2 Code Walkthrough
2m39sVoice AI That Switches to Hindi Mid-Conversation (Cartesia June '26 Launch Demo)
4m55sBuild Voice AI Agents 3x Faster With These 5 Cartesia Tricks
Films are credited to their original channels. Selected presentations may include independent interviews and technical explanations.
Open jobs
EXPLORE ↗Applied Researcher, Audio ↗
CartesiaThe Applied Researcher, Audio role involves leading research on realtime conversation and human AI interaction, focusing on novel architectures, data, and evaluations for audio models. Candidates must have deep expertise in deep generative modeling and experience with large-scale training, GPU/TPU acceleration, and model optimization.
Audio Production Expert (Contract) ↗
CartesiaThis role involves owning the technical side of voice production, from recording specifications to final delivery, and generating voices based on customer requirements. Candidates must have deep command of audio fundamentals and strong grasp of voice characteristics to produce high-quality voices.
Commercial Account Executive ↗
CartesiaThe Commercial Account Executive role involves owning the full sales cycle for qualified B2B SaaS opportunities, from discovery to close, with a focus on high-volume deals. Candidates must have at least two years of closing experience, strong self-management skills, and the ability to handle technical conversations and POCs.
Engineering Manager, Data ↗
CartesiaThe role leads a data team of 6-8 people responsible for web-scale data infrastructure, multimodal pre-training datasets, and data-centric modeling. Candidates must have proven management experience leading a data team of at least 6 people and hands-on familiarity with data infrastructure at scale.
Engineering Manager, Infrastructure ↗
CartesiaThe role involves leading a core engineering team of 7+ engineers at Cartesia, focusing on technical direction and execution. Candidates must have experience managing high-performing teams and building large-scale distributed systems with strong technical judgment.
Engineering Manager, Product ↗
CartesiaThe role is an Engineering Manager for Product Engineering at Cartesia, focusing on building the team and leading product surfaces like Voices and billing. Candidates need 6+ years of product engineering experience, strong technical ability, and a track record of coaching and hiring engineers.
Enterprise Account Executive ↗
CartesiaThe Enterprise Account Executive role involves owning the full sales cycle for complex, multi-stakeholder enterprise deals at Cartesia. Candidates must have 6+ years of B2B sales experience, a track record of overachieving quota, and the ability to close six-figure ACV deals.
Enterprise Engineer ↗
CartesiaThe Enterprise Engineer role involves architecting and building enterprise-grade systems for agentic voice AI solutions. Candidates must have strong backend engineering fundamentals and proficiency in Go and/or Python.
Executive Business Partner ↗
CartesiaThe Executive Business Partner supports four co-founders by managing complex calendars, logistics, and confidential information. The role requires 5 to 8 years of experience in executive support or operations, with a focus on building operating rhythms and driving ambiguous problems to completion.
GTM Strategist ↗
CartesiaThe GTM Strategist role focuses on driving outbound into enterprise targets, building account plans, and identifying multi-threaded entry points. Candidates need 1-2 years of BDR/SDR experience, strong communication skills, and a track record of exceeding pipeline targets.
GTM Strategist, Inbound ↗
CartesiaThe role is an Inbound GTM Strategist responsible for owning the inbound motion, qualifying leads, and routing them to the appropriate next steps. The position requires 1-2 years of client-facing experience in sales development or a similar role, along with a high-velocity work style and strong persistence.
Inference Engineer ↗
CartesiaThe role involves designing and building a low-latency, scalable inference and serving stack for foundation models using Transformers and SSMs. Candidates must have strong engineering skills, experience with large-scale distributed systems, and a background in machine learning inference pipelines.
Manager, Sales Development ↗
CartesiaThe role is a Sales Development leader managing GTM Strategists to generate pipeline through inbound and outbound motions. Candidates need 3+ years managing SDR/BDR teams, 5+ years in tech, and direct SDR/AE experience.
Product and Research Operations Manager, Voices ↗
CartesiaThe role manages the operational backbone of Cartesia's Voice function, supporting voice production, talent sourcing, and customer delivery. Candidates need 3-6 years of operator experience in high-growth tech or strategy consulting, along with customer-facing and semi-technical skills.
Product and Research Operations Manager, Voices ↗
CartesiaThe role manages the operational backbone of Cartesia's Voice function, supporting voice production, talent sourcing, and customer delivery. Candidates need 3-6 years of operator experience in high-growth tech or strategy consulting, along with customer-facing and semi-technical skills.
Research Engineer, Data Infrastructure (Language Modeling) ↗
CartesiaThe role involves building performant, scalable data infrastructure to acquire, process, and curate massive datasets for pretraining. Candidates must have hands-on experience with ML data pipelines, dataset versioning, and large-scale data loading.
Researcher, Evals ↗
CartesiaThe role involves designing evaluation frameworks and pipelines to measure interactive machine intelligence, reasoning, and long-term behavior. Candidates must have experience implementing evaluation frameworks for generative models and strong technical skills to build production-ready systems.
Researcher, Models ↗
CartesiaThe role involves conducting research in neural network architecture design to advance state-of-the-art models like state space models and efficient transformers. Candidates must have deep expertise in architecture design, strong programming skills in PyTorch or TensorFlow, and a proven research track record in top-tier ML/AI venues.
Researcher, Models (UK) ↗
CartesiaThe role involves conducting research in neural network architecture design to advance state-of-the-art models like state space models and efficient Transformers. Candidates must have deep expertise in architecture design, strong programming skills in PyTorch or TensorFlow, and a proven research track record in top-tier ML/AI venues.
Researcher, Post Training ↗
CartesiaThe role involves designing new techniques for preference optimization, model evaluation, and feedback-driven learning for multimodal models. Candidates must have deep knowledge of alignment methods, experience designing evaluations, and strong engineering skills for scaling ML systems.
Software Engineer, Agent Harness ↗
CartesiaThe role involves building the platform behind Cartesia's Managed Agents voice product, focusing on the realtime transport layer and end-to-end conversational latency. Candidates must have experience building distributed backend systems in production and strong product instincts for latency and reliability.
Strategic Partnerships Manager ↗
CartesiaThe Strategic Partnerships Manager role focuses on developing high-impact relationships with enterprise technology partners to drive revenue growth and adoption. Candidates must have 5-8+ years of experience in business development or partnerships within a SaaS environment.
Strategic Partnerships Manager, Systems Integrators ↗
CartesiaThe Strategic Partnerships Manager builds and scales the Systems Integrator program to enable implementation partners for enterprise deployments. The role requires 5-8+ years of experience in partner delivery, technical fluency in integrations, and strong commercial judgment for program design.
Technical Account Manager ↗
CartesiaThe Technical Account Manager owns enterprise customer technical relationships from contract through production, driving go-live and usage growth. The role requires 6+ years of technical account management experience, strong technical troubleshooting skills, and the ability to manage a complex multi-stakeholder book.
Current official-feed vacancies. Follow each job for its complete description and application terms.
Research backers
Index Ventures ↗
CartesiaIndex Ventures lists Cartesia as a portfolio company and links to its investment announcement. Its profile also names Cartesia’s founders.
PRIMARY SOURCE ↗Sources & public activity
Profile reviewed 2026-10-30. City-level approximate marker; not a lab street address.