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Software Engineer - Kernels/CUDA (C++)

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for indivi

Company

xAI

Location

Palo Alto, CA

Status

Open

Posted

2026-03-06T23:27:24+00:00

xAI is hiring a software engineer for its Compute Infrastructure team in Palo Alto, on-site, to help build a large AI supercomputer from the ground up. The role spans low-level CUDA kernel work — GeMM, attention, using CUTLASS, Tensor Cores and Nsight — plus Linux kernel internals, orchestration and virtualization across GPU memory, networking fabric and filesystems. The posting asks for deep C/C++/PTX/SASS systems programming and production experience with large-scale GPU clusters. Pay is listed at $180,000–$440,000 USD.