The LLM Data Company Careers, Benefits, Review

Lead the design and implementation of scalable RL recipes and environment tooling at an early-stage company providing post-training data and RL infrastructure to foundation model labs.

Serve as a founding Strategy & Operations leader at a high-growth YC-backed AI data company, owning strategic projects from customer contracts to product roadmaps.

The LLM Data Company is hiring a Senior Research Engineer to develop scalable RL recipes, modular training environments, and evaluation tooling used by foundation model labs.