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Software Engineer - Infrastructure - X

xAI seeks a Software Engineer for its infrastructure team.
xAI
On-Site
United States
USD 180,000 - 440,000
Job Description

xAI is seeking a Software Engineer to join its Infrastructure team. The company's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The ideal candidate will help redefine what is possible in large-scale AI infrastructure and build the supercomputing platform that powers xAI’s ambitious goals.

As a Software Engineer, the individual will work across multiple workstreams to design, build, and maintain cutting-edge distributed systems that enable developers to scale compute and data platforms, ensuring efficiency, reliability, and performance at an unprecedented scale. This role offers the opportunity to shape the backbone of xAI’s technology.

What This Role Involves:

  • Enhancing developer experience by modernizing build systems and implementing tools like Bazel.
  • Designing and improving CI/CD pipelines using Buildkite, Argo, and Kubernetes.
  • Scaling compute infrastructure on Kubernetes by building controllers and admission plugins.
  • Designing and maintaining large-scale traffic shaping and load balancing deployments using Envoy.
  • Scaling data platforms and observability systems to support exabyte-scale data processing.
  • Driving reliability, standardization, and performance by building and refining systems.
  • Managing and optimizing large-scale storage systems.
  • Contributing to miscellaneous quality-of-life improvements for developers.

Requirements:

  • 2+ years of industry experience working with large-scale, high-throughput distributed systems, compute platforms, or data infrastructure.
  • Proficient in Golang, Rust, Python, or similar languages.
  • Familiarity with modern developer tools (Bazel, Buildkite, Argo, Kubernetes), service meshes (Envoy), or observability frameworks (optional).
  • Experience with large-scale storage systems (KV stores, RDBMS, object stores) or Kubernetes ecosystem development (controllers, plugins) (optional).
  • Passionate about reliability, performance optimization, and building systems that scale seamlessly.

What xAI Offers:

  • Opportunity to shape the backbone of xAI’s technology.
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xAI

xAI is an artificial intelligence company focused on building AI systems that deeply understand the universe and assist humanity in its quest for knowledge. It operates with a flat organizational structure that values engineering excellence, curiosity, and strong communication. xAI fosters a collaborative environment where every team member contributes directly to the company’s objectives, with a focus on continuous improvement.

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