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Location
foz, kingdom of spain, Spain
Posted
June 10, 2026

Job Description

About the Opportunity

We're partnering with a stealth AI company building infrastructure that powers reinforcement learning (RL) environments for some of the world's leading AI labs.


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Their systems operate directly within the AI training loop, helping evaluate, improve, and deploy next-generation AI models. This is highly applied, production-focused engineering work with real-world impact.

We're looking for exceptional Full-Stack Software Engineers who thrive in fast-paced environments, take ownership, and can independently ship complete applications from idea to deployment.

What You'll Do
  • Build full-stack applications end-to-end (frontend, backend, and infrastructure)
  • Transform loosely defined concepts into production-ready products
  • Design and implement systems supporting AI agents and RL workflows
  • Deliv...