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Machine Learning Engineer 100% (f/m/d)

Bank Julius Bär & Co. Ltd.

madrid, comunidad de madrid, Spain Full-time June 24, 2026

Found Description

We are seeking a skilled machine learning engineer (ML Eng) to join one of our agile development teams in our ML & AI ART.

Responsibilities

  • Develop, deploy, and optimize machine learning and AI solutions that address complex business challenges.
  • Create multi‑agent systems and equip AI models with function/tool‑calling capabilities.
  • Design and implement Retrieval‑Augmented Generation (RAG) systems to ground AI responses in enterprise data.
  • Assess and integrate AI models (e.g., LLMs) ensuring optimal performance and reliability.
  • Optimize agentic workflows and AI agents for production use cases.
  • Test and optimize system prompts and few‑shot examples to ensure accurate, consistent, and safe AI outputs.
  • Perform performance evaluation of machine learning and AI models using appropriate metrics, evaluation sets and techniques, and continuously iterate and improve upon them.
  • Collaborate with platform team...

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