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

Full Time

Palo Alto, CAPosted 2 days ago

Role Overview

Xai is hiring a Software Engineer - Platform Infrastructure (Rust, C++). This is a full-time role in Palo Alto. posted 2 days ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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RustDockerKubernetesLinuxORCompensationBenefitsPrivacy

Job description

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 individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

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.

BASIC 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

PREFERRED SKILLS AND EXPERIENCE:

Collaborate in a fast-paced, open environment to design and foundational systems.
Strong debugging skills across the full stack — from kernel and OS up through container orchestration layers
Deep knowledge of operating systems internals (process scheduling, memory management, file systems, and synchronization primitives)
Proficiency in performance analysis, profiling, and low-level optimization techniques
Solid understanding of computer networks and the TCP/IP stack
Experience working with Linux kernel concepts or systems-level debugging tools (e.g., perf, gdb, strace, Wireshark)
Proficiency deploying and managing workloads using Kubernetes manifests, Helm, Operators, and GitOps workflows
Solid understanding of containerization technologies (Docker, containerd, crio) and their interaction with the Linux kernel
Experience with observability and monitoring in distributed systems (Prometheus, Grafana, VictoriaMetrics, OpenTelemetry, or similar)

COMPENSATION AND BENEFITS:

$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

About Xai

Xai

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Frequently Asked Questions

How do I apply for the Software Engineer - Platform Infrastructure (Rust, C++) position at Xai?

Use the Apply button above to submit your application directly to Xai. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Software Engineer - Platform Infrastructure (Rust, C++) position at Xai located?

This position is based in Palo Alto. Xai has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Software Engineer - Platform Infrastructure (Rust, C++) at Xai earn?

Xai has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Software Engineer - Platform Infrastructure (Rust, C++) role at Xai posted?

This role was posted on July 20, 2026 (2 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.