Software Engineer - Infrastructure jobs in United States
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xAI · 11 hours ago

Software Engineer - Infrastructure

xAI is on a mission to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The role of Software Engineer on the Infrastructure team involves designing, building, and maintaining large-scale distributed systems to enhance xAI's compute and data platforms, ensuring efficiency, reliability, and performance.

Artificial Intelligence (AI)Generative AIInformation TechnologyMachine Learning
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Scale compute infrastructure on Kubernetes by building controllers, admission plugins, and supporting systems that empower teams to leverage Kubernetes effectively
Design and maintain one of the largest traffic shaping and load balancing deployments using Envoy, while building service meshes and service discovery systems to handle massive scale
Scale data platforms and observability systems (logging, tracing, metrics) to support exabyte-scale data processing and provide deep insights into system performance
Drive reliability, standardization, and performance by building and refining systems with a pedantic focus on quality and scalability
Manage and optimize large-scale storage systems, including key-value stores, relational databases, and network file systems or object stores (open-source, cloud-managed, and in-house solutions)
Contribute to miscellaneous quality-of-life improvements that empower developers and streamline workflows

Qualification

KubernetesGolangDistributed systemsPythonRustObservability toolsService meshesPerformance optimizationReliabilityCommunication skills

Required

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
Passionate about reliability, performance optimization, and building systems that scale seamlessly

Preferred

Familiarity with modern developer tools (Bazel, Buildkite, Argo, Kubernetes), service meshes (Envoy), or observability frameworks
Experience with large-scale storage systems (KV stores, RDBMS, object stores) or Kubernetes ecosystem development (controllers, plugins)

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

Company

xAI

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XAI is an artificial intelligence startup that develops AI solutions and tools to enhance reasoning and search capabilities.

H1B Sponsorship

xAI has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)

Funding

Current Stage
Growth Stage
Total Funding
$22.73B
Key Investors
Neptune Digital AssetsSpaceXMorgan Stanley
2025-12-11Secondary Market· $0.3M
2025-07-13Corporate Round· $5.32B
2025-07-01Debt Financing· $5B

Leadership Team

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Toby Pohlen
Founding Member
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Company data provided by crunchbase