Software Engineer Platform Infrastructure Rust C++
SpaceXAI builds frontier AI models and products including the Grok conversational assistant and a multimodal developer API.
Funding history
About SpaceXAI
SpaceXAI is a US-based AI company focused on accelerating scientific discovery and understanding the universe through reasoning, voice, image, video, and generative AI systems. Formerly xAI, it was acquired by SpaceX effective February 2, 2026, while continuing to operate the x.ai site and services.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will design, build, and implement a large-scale distributed system for a supercomputing cluster. You will profile, debug, and optimize GPUs, Linux kernel components, networking, and filesystems. You will develop productivity tools and improve codebase scalability and reliability.
Requirements
- Systems programming experience in C, C++, or Rust
- Computer systems fundamentals
- Kubernetes cluster architecture, pod lifecycle, CNI, CSI, service mesh, and production operations
Responsibilities
- Design, build, and implement a large-scale distributed system
- Profile, debug, and optimize performance across GPUs, Linux kernel, networking, and filesystems
- Collaborate on hardware, software, and algorithm co-design
- Maintain and innovate on the codebase for scalability and reliability
- Develop tools that enhance productivity and streamline workflows
Benefits
- Equity
- Medical coverage
- Vision coverage
- Dental coverage
- 401(k) retirement plan
- Short-term disability insurance
- Long-term disability insurance
- Life insurance
- Discounts and perks