# Software Engineer, Data Infrastructure at Cartesia

- Company: Cartesia
- What the company does: Integrate real-time text-to-speech with Sonic-3.6, Cartesia. Backed by General Catalyst, Index and Kleiner Perkins.
- Company website: https://www.cartesia.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: *HQ - San Francisco, CA
- Work setup: On-site
- Pay: $180K to $250K base salary per year (USD)
- Posted: 2026-07-09
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/cartesia/b2625458-4021-48ac-905b-a431f58df8d3
- Page: https://www.1752.vc/careers/jobs/cartesia-software-engineer-data-infrastructure/

## About the role

Data is the lifeblood of our models, and we are looking for a Software Engineer, Data Infrastructure to own the strategy and execution for all data at Cartesia. In this highly impactful role, you will build and evolve the datasets that power our cutting-edge research. You will design scalable systems to acquire, process, and curate massive multimodal datasets while partnering closely with research and inference teams. Your work will directly shape the capabilities and quality of our foundational models.

## What they're looking for

- Hands-on experience with ML data infrastructure: training data pipelines, dataset versioning, large-scale data loading, and the interplay between data systems and model training and inference
- Working knowledge of multimodal data, i.e. audio: formats, preprocessing, augmentation, and large-scale storage and streaming patterns
- Strong modern engineering execution: clean, well-tested code, fluency with current tools, and a willingness to pick the right tool for the problem rather than defaulting to familiar patterns
- Experience leading cross-functional technical efforts in a fast-moving, research-driven environment
- Familiarity with building and evaluating datasets for generative models and reasonable working knowledge of how they’re trained and inference
- Note: Cartesia participates in E-Verify and will provide the federal government with Form I-9 information to confirm employment eligibility after hire

Tags: Research