Cartesia · 1 day ago
Machine Learning Engineer, Data
San Francisco, CA
Full-time
Onsite
Mid LevelCartesia is on a mission to build the next generation of AI, focusing on interactive intelligence that processes diverse data streams. They are seeking a Machine Learning Engineer to ensure the quality and coverage of data for their models, which will involve designing large-scale datasets and implementing quality control systems.
Artificial Intelligence (AI)Real TimeSoftware
Responsibilities
Design and build large-scale datasets for model training
Build evaluations of speech models, both via manual annotation and at scale with automated metrics
Implement techniques for steering data generation to improve model intelligence through data and mitigate bias
Build automated quality control systems to validate and filter generated data
Partner with product teams to ensure support for key languages and markets
Qualification
Required
Experience building or working with large multilingual datasets
Experience with generative models (speech, text, or multimodal)
Ability to help guide human annotation and evaluation across multiple languages
Strong applied ML background with a focus on data-centric approaches
Excitement for building scalable systems that bridge research and production
Benefits
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.
Company
Cartesia
Cartesia provides real-time multimodal intelligence for all devices.
Founded in 2023
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
South China Morning Post
2025-11-26
2025-10-23
Company data provided by crunchbase