Ai Principal Engineer

Our client, a fast-growing international digital marketplace, is building AI-powered products that connect millions of users with trusted service professionals. Operating at large scale, the platform processes high volumes of data and interactions every day, with AI playing a central role in improving matching, trust, automation, and decision‑making across the ecosystem.

To support this vision, the company is expanding its senior technical leadership and is looking for an AI Principal Engineer to join its Barcelona‑based engineering hub.

In this strategic role, you will sit one level above Senior Engineers, owning a broad end‑to‑end technical view across systems, architecture, and AI‑driven solutions. You will help define where and how AI creates the most value, while guiding teams to turn advanced ideas into reliable, production‑grade systems.

• Architecting large‑scale AI systems, inclu...