---
title: "Reinforcement Learning… at lumalabs-ai – Colorado City, AZ"
canonical: "https://www.metaintro.com/job/reinforcement-learning-engineer-at-lumalabs-ai-a8ff5da4-c3d0-58d3-bade-d23cef4e30d9"
language: "en"
author: "Metaintro"
---

[/company/lumalabs-ai](/company/lumalabs-ai)[lumalabs-ai](/company/lumalabs-ai)
# Reinforcement Learning Engineer at lumalabs-ai

**Location**
: Colorado City, Arizona

**Level**
: not_specified

**Posted**
: Jul 21, 2026

## Description

Luma AI is seeking experienced Reinforcement Learning Engineers to join their RL Infrastructure team. This role involves designing, building, and scaling distributed RL post-training systems for large multimodal models, optimizing high-throughput rollout generation, implementing RL environments for complex tasks, developing reward infrastructure, and creating evaluation tools. Candidates should have hands-on experience with RL techniques like PPO/GRPO-family methods, RLHF, and RLVR, extensive knowledge of distributed PyTorch training, and deep familiarity with RL post-training frameworks.

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