Member of Technical Staff - RL Training Framework

xAI xAI · AI Frontier · Palo Alto, CA · Model

Seeking an engineer to develop the RL training framework for large-scale RL workloads, focusing on performance, scalability, and observability. Requires experience with distributed systems and Python/Jax/Rust/C++.

What you'd actually do

  1. Design and implement the systems backing all RL workloads at SpaceXAI, from small scale ablations to production training runs.
  2. Profile, debug, and optimize end-to-end training performance
  3. Improve scalability and observability of the RL stack

Skills

Required

  • Python
  • Jax
  • Rust
  • C++
  • large-scale distributed systems

Nice to have

  • large scale LLM training infrastructure
  • reinforcement learning techniques
  • RL numerics

What the JD emphasized

  • RL training framework
  • large-scale distributed systems
  • RL workloads
  • LLM training infrastructure

Other signals

  • RL training framework
  • large-scale distributed systems
  • RL workloads
  • LLM training infrastructure