Staff Machine Learning Engineer | Barcelona | AI & Data Consultancy

Are you a seasoned ML engineer ready to move beyond execution and into true technical leadership?

We're working with a leading AI & Data consultancy that partners with enterprise clients on large-scale AI transformations. They're looking for a Staff Machine Learning Engineer based in Barcelona to own their most complex, high-impact projects — from architecture design through to production deployment.

The role

This goes beyond building models. You'll set technical direction, mentor engineers, and shape how ML is delivered at scale — while staying hands-on with high-quality code contributions. Set direction for a technical team, ensuring architectural excellence and long-term maintainability Lead and mentor junior and senior engineers, raising the technical bar across projects Design and deploy LLM-based applications, including RAG systems, prompt engineering, and vector databases Part...