Member of Technical Staff Evaluation Infrastructure
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 develop reliable, efficient evaluation infrastructure that runs evaluations at scale. You will work on new evaluations and internal tooling, maintain evaluation signal quality, and identify and resolve performance bottlenecks across inference, fleet management, and asynchronous evaluation orchestration.
Requirements
- Experience building, debugging, and optimizing large-scale distributed systems
- Willingness to solve hard problems across all layers of the stack
Responsibilities
- Build reliable, efficient, and easy-to-use infrastructure for evaluations at scale
- Develop new evaluations and internal tooling
- Maintain evaluation signal quality
- Identify and resolve performance bottlenecks across the evaluation infrastructure stack
- Optimize inference, capacity fleet management, and asynchronous evaluation orchestration
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