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Software Engineer - Platform Infrastructure (Rust, C++)

xAI· Engineering
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Palo Alto, CA$180k - $440kPosted 3mo ago

About the role

Role focused on designing and building a large-scale distributed system for a leading supercomputing cluster, with low-level performance optimization, hardware-software co-design, and tools to improve team productivity.

Responsibilities

  • Design, build, and implement a large-scale distributed system that powers one of the world's largest supercomputing clusters.
  • Dive into the low-level stack to profile, debug, and optimize performance across diverse systems, including GPUs, Linux kernel, networking, and filesystems, to achieve peak efficiency.
  • Collaborate on hardware, software, and algorithm co-design to push the boundaries of AI training.
  • Maintain and innovate on our codebase to ensure scalability and reliability.
  • Develop tools to enhance team productivity and streamline workflows.

Qualifications

  • Systems programming experience in C, C++, or Rust
  • Computer systems fundamentals with a grasp of how computers execute code from transistors to high-level applications.
  • Hands-on expertise with Kubernetes (K8s), including cluster architecture, pod lifecycle, networking (CNI), storage (CSI), service mesh, and production-grade operations

Skills

Required:Systems programmingC/C++/RustKubernetes
Nice to have:Performance analysis and profilingLinux kernel / OS internalsNetworking (TCP/IP)Observability/Monitoring

Benefits

  • equity
  • comprehensive medical, vision, and dental coverage
  • access to a 401(k) retirement plan
  • short & long-term disability insurance
  • life insurance
  • various other discounts and perks
Last updated Oct 14, 2026. Interested? Apply on the company site.

About xAI

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