Job offer

Machine Learning Engineer (Full-Time) (f/m/d)

Julius Baer is looking for a Machine Learning Engineer (100%) in Madrid to develop and optimize scalable ML and GenAI solutions, including multi-agent systems and RAG architectures, for AI-powered asset management.

Tasks

  • Development, deployment, and optimization of machine learning and AI solutions to address complex business challenges
  • Development of multi-agent systems and equipping AI models with function- and tool-calling capabilities
  • Design and implementation of RAG systems to support AI responses based on corporate data
  • Evaluation and integration of AI models (e.g., LLMs), taking into account various size categories, to ensure optimal performance, cost-effectiveness, accuracy, and reliability
  • Optimization of Agent-Based Workflows and AI Agents for Production Environments
  • Testing and optimizing system prompts and few-shot examples to ensure accurate, cost-effective, and secure AI outputs
  • Performance evaluation of machine learning and AI models using appropriate metrics, automation methods and techniques, as well as continuous iteration and improvement
  • Collaborate with platform teams, data engineers, data scientists, and other stakeholders to integrate highly reliable machine learning solutions into existing systems and processes
  • Participate in code reviews, testing, and debugging to ensure the quality and maintainability of machine learning solutions

Requirements

  • Strong problem-solving and analytical skills, along with the ability to think critically and tackle complex challenges
  • Excellent communication and collaboration skills to work effectively in cross-functional teams and with stakeholders at all levels of the organization
  • Ability to effectively manage one's own workload, prioritize tasks, manage schedules, and deliver high-quality results on time
  • A passion for continuous learning and an interest in staying up to date on the latest developments in machine learning and artificial intelligence
  • Attention to detail and a commitment to producing high-quality, reliable, and maintainable code
  • Bachelor's or Master's degree in Data Science, Computer Science, Mathematics/Engineering, or a related field
  • Strong programming skills in Python with experience in machine learning libraries and frameworks such as TensorFlow or PyTorch
  • Demonstrable experience working with large language models (LLMs)
  • A solid understanding of AI agents and agent-based workflows, LLM orchestration frameworks, and reasoning
  • Relevant professional experience in machine learning, data science, or a related field

Job details

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