At Liquid, we’re not just building AI models—we’re redefining the architecture of intelligence itself. Spun out of MIT, our mission is to build efficient AI systems at every scale. Our Liquid Foundation Models (LFMs) operate where others can’t: on-device, at the edge, under real-time constraints. We’re not iterating on old ideas—we’re architecting what comes next.
We believe great talent powers great technology. The Liquid team is a community of world-class engineers, researchers, and builders creating the next generation of AI. Whether you're helping shape model architectures, scaling our dev platforms, or enabling enterprise deployments—your work will directly shape the frontier of intelligent systems.
While San Francisco and Boston are preferred, we are open to other locations in the United States.
You want to push the boundaries of small language models capabilities and open-source best-in-class checkpoints
You actively follow the latest reinforcement learning and optimization research and strive to put theory into practice
You're equally comfortable crafting domain-specific training environments and profiling GPU utilization in multi-turn asynchronous rollouts
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
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
The opportunity to work directly on state-of-the-art AI systems at one of the most advanced AI companies in the world
A fast-paced, collaborative environment where your work has direct impact on model performance and product capability
The satisfaction of knowing your craftsmanship helps define the next frontier in AI
Spun out of MIT CSAIL, we’re a foundation model company headquartered in Boston. Our mission is to build capable and efficient general-purpose AI systems at every scale—from phones and vehicles to enterprise servers and embedded chips. Our models are designed to run where others stall: on CPUs, with low latency, minimal memory, and maximum reliability. We’re already partnering with global enterprises across consumer electronics, automotive, life sciences, and financial services. And we’re just getting started.
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