Systems Engineer - High-Performance AI Training

River AI Inc. in Palo Alto is seeking exceptional systems engineers to build the high‑performance engines that train our models.

Your scope includes owning the core infrastructure stack, from writing custom GPU kernels to managing clusters of thousands of nodes, ensuring researchers stay focused on science, not bottlenecks. You will collaborate with researchers to rapidly implement, optimize, and scale experimental model architectures, delivering fast, reliable training and inference at scale