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← xAI

Member of Technical Staff - RL Inference

xAI · Palo Alto, CA

CHECKED 13H AGO

Frontier labonsite$180k–$440k
Apply on the lab’s site ↗

At a glance

Highlights

  • Design and optimize the inference stack for RL workloads at all scales.
  • Analyze and resolve performance bottlenecks in large-scale RL systems.
  • Help create AI systems that accurately understand the universe.

What they offer

  • equity
  • comprehensive medical, vision, and dental coverage
  • 401(k) retirement plan
  • short & long-term disability insurance
  • life insurance

Ideal candidate

Hands-on engineer who thrives on curiosity, hard problems, and engineering excellence. Brings strong ownership, prioritization, and clear communication to a small, flat mission-driven team.

Requirements

  • Experience in building, debugging, and optimizing efficiency of large-scale distributed systems
  • Experience in LLM inference
  • Proficiency in programming languages such as Python, C++ and/or Rust; frameworks such as PyTorch, Jax, CUDA
  • Willingness to dive deep and solve hardcore problems at all levels of the stack
  • Strong knowledge in quantization and numerics in LLM inference and training
  • Experience in developing inference engines, e.g. SGLang, vLLM

Lab profile

About xAI

Builds AI systems to understand the universe and advance human knowledge.

Known for

  • Engineering excellence focus
  • Large-scale data center operations
More about xAI →
Apply on the lab’s site ↗