Jobs

River AI is seeking an exceptional Member of Technical Staff, Software Engineer to build high-performance engines for training their AI models. This role involves taking ownership of the core infrastructure stack, from writing custom GPU kernels to managing large clusters, to ensure fast, reliable, and scalable training. The ideal candidate will have deep expertise in systems-level languages like C, C++, or Rust, a strong foundation in computer architecture, and exceptional debugging skills in distributed environments. You will architect fault-tolerant distributed systems, design high-performance kernels, and partner with research scientists to scale experimental model architectures.