Liquid AI · 1 week ago
Member of Technical Staff - Post Training, Reinforcement Learning
San Francisco, CA
Full-time
Hybrid
Mid LevelLiquid AI is a foundation model company spun out of MIT, focused on building efficient AI systems at every scale. They are seeking a Member of Technical Staff to profile, optimize, and scale reinforcement learning training runs while integrating new optimization techniques from research into practical implementations.
Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
Responsibilities
Profile, optimize, and scale RL training runs to reduce iteration time
Integrate new optimization techniques as they emerge from the research community
Design and implement tools and environments that test the boundaries of model capabilities
Turn proof-of-concept ideas into robust training pipelines and best-in-class models
Qualification
Required
Strong Python and PyTorch proficiency, with hands-on experience optimizing training pipelines
Hands-on experience with reinforcement learning and the ability to translate optimization techniques from theory into practical implementations
Track record of integrating research ideas into robust, maintainable code
Experience with frameworks like DeepSpeed, FSDP, or vLLM for efficient model training and inference
Experience working with data pipelines, including curation, validation, and analysis to support post-training objectives
Contributions to open-source machine learning projects
M.S. or Ph.D. in Computer Science, Electrical Engineering, Mathematics, or a related field
Preferred
While San Francisco and Boston are preferred, we are open to other locations in the United States
Company
Liquid AI
Build efficient general-purpose AI at every scale.
Founded in 2023
51-200 employees
H1B Sponsorship
Liquid AI 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 (2)
Funding
Current Stage
Growth StageTotal Funding
$293.1MKey Investors
AMD VenturesOSS Capital L.P.
2024-12-13Series A· $250M
2023-12-01Seed· $37.5M
2023-05-05Seed· $5.6M
Leadership Team
Ramin Hasani
Co-founder and CEO
Mathias Lechner
Co-founder and CTO
Recent News
2025-12-06
Digital Commerce 360
2025-11-15
Company data provided by crunchbase