Staff Engineer, RL Evaluation Infrastructure

Engg; Palo Alto (CA); On-site; USD 180,000 - 440,000; Full time

Benefits offered by this job

Equity

Medical, Vision and Dental

401(k) retirement plan

Disability insurance

Life insurance

Employee discounts

Job summary

SpaceXAI’s RL infrastructure team is seeking an engineer to help develop our evaluation infrastructure. You will build reliable, scalable evaluation systems that run at scale and collaborate with modeling and evaluation teams to improve evals.

You will identify bottlenecks across the stack, from inference to orchestration, and work on tools to support training our next generation models. Strong communication and hands-on approach are essential.

Qualifications

• Experience in building, debugging, and optimizing large-scale distributed systems.
• Willingness to dive deep and solve hard problems at all levels of the stack.
• Experience in LLM inference.
• Experience in GPU compute management and dynamic resource optimization.
• Experience in developing interfaces for comparing models and evals.

Responsibilities

• Build reliable, scalable evaluation infrastructure.
• Collaborate with modeling and evaluation teams on new evals and tooling.
• Identify and resolve performance bottlenecks across the stack.

Skills

Distributed systems

Problem solving

Communication

Job description

SpaceXAI’s RL infrastructure team is seeking an engineer to help develop our evaluation infrastructure. You will build reliable, scalable evaluation systems that run at scale and collaborate with modeling and evaluation teams to improve evals.

You will identify bottlenecks across the stack, from inference to orchestration, and work on tools to support training our next generation models. Strong communication and hands-on approach are essential.