Full-time

AI Engineer (LLM & Agents)

Posted by SIX • Madrid, Comunidad de Madrid, Spain

📍 Madrid, Comunidad de Madrid 🕒 February 23, 2026

About the Role

What You Will Do

  • Architect Multi-Agent Systems: Design, build, and orchestrate complex agentic workflows using LangGraph and LangChain to handle sophisticated financial queries.
  • Engineer Robust Tool Interfaces: Develop and maintain reliable tool definitions for interacting with complex internal APIs, ensuring the AI can accurately parse, validate, and utilize financial data.
  • Implement Advanced RAG: Build and optimize Retrieval-Augmented Generation systems to ground model responses in proprietary data.
  • Drive Structured Output Generation: Ensure AI responses are structured for rich UI rendering, enabling the generation of dynamic graphs, charts, and interactive elements.
  • Establish Evaluation Pipelines: Create rigorous testing frameworks and metrics to evaluate agent performance, reliability, and accuracy in a production environment.

What You Bring

  • 5+ years of experience as Data Scientist, or 2+ ...

Ready to Apply?

Submit your application today and take the next step in your career journey with SIX.

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