Member of Technical Staff - ML Research Engineer, Data
Hybrid (San Francisco), Hybrid (Boston)Full-timePosted 11mo ago
About the role
ML research-minded data engineer role focused on building and evaluating data pipelines for Liquid Foundation Models, emphasizing data quality, synthetic data generation, and modality-specific data needs across pre-training, post-training RL, vision-language, audio, and multimodal.
Responsibilities
- Build and maintain data processing, filtering, and selection pipelines at scale
- Create pipelines for pretraining, midtraining, SFT, and preference optimization datasets
- Design synthetic data generation systems using LLMs, structured prompting, and domain-specific generators
- Design and run evaluations and ablations to measure dataset's impact on model performance
- Monitor public datasets across text, vision, and audio domains
- Collaborate with pre-training, vision, and audio teams on modality-specific data needs
Qualifications
- Strong Python skills with the ability to quickly comprehend problems and translate them into clean, working code
- Solid ML fundamentals: experience training, evaluating, and iterating on models (PyTorch preferred)
- Track record of learning new technical domains quickly
- 3+ years relevant experience with an M.S., or 1+ year with a Ph.D. (5+ years with a B.S.)
Skills
Required:PythonMachine Learning fundamentalsDomain learning abilityData pipeline design
Benefits
- Impact at scale: Your pipelines directly determine model quality across all of Liquid's foundation models.
- Competitive base salary with equity in a unicorn-stage company
- We pay 100% of medical, dental, and vision premiums for employees and dependents
- 401(k) matching up to 4% of base pay
- Unlimited PTO plus company-wide Refill Days throughout the year
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Liquid AI
Build efficient general-purpose AI at every scale.
We build efficient general-purpose AI at every scale. Liquid Foundation Models (LFMs) are a new generation of generative AI models that achieve state-of-the-art performance at every scale, while maintaining a smaller memory footprint and more efficient inference.
AIEdge AIFoundation ModelsGenerative AIliquid-ai-recruiting-target
More open roles at Liquid AI
- Member of Technical Staff - Partner Inference Engineer4d agoBoston, San Francisco · GTM
- Developer Relations1w agoHybrid (San Francisco) · Marketing
- Strategic Business Development, Life Sciences1w agoHybrid (Boston) · Business
- Controller1w agoHybrid (San Francisco) · G&A
- Member of Go-to-Market Staff2w agoHybrid (North America l San Francisco, Boston or Remote) · GTM