Key facts
- Location
- London, UK, United Kingdom
- Workplace
- Hybrid
- Pay
- Not stated
- Contract
- Full-time
- Detected
- 3 Nov 2026
- Posted
- 8 Oct 2026
About the role
You'll build the systems that make reinforcement learning work at frontier scale — coupling policy optimization with large fleets of inference workers, agentic environments, and the reward and verification systems that turn model behavior into learning signal. RL is how Luma's models go from capable to useful. RL at scale is a full-loop systems problem: training, rollout generation, environment execution, and reward computation running concurrently across thousands of GPUs, all needing to stay
The full description is on Luma AI’s careers site (opens in a new tab).