The English-language job board for Spain

Machine Learning Engineer

On-site in Madrid·Full-time·Added 18 days ago

Julius Baer

24 open roles

Apply

Overview

Job details

Full-time hours
Per the ad.

Requirements

Have the right to work in Spain
Julius Baer doesn't mention sponsorship in the ad.
Work on-site in Madrid
No relocation package mentioned.
University degree
“Bachelor's or Master's degree in Data Science, Computer Science, Mathematics, Statistics, or a related field” — per the ad.

Requirements

What we're looking for

Strong problem-solving and analytical skills, with the ability to think critically and creatively about complex challenges
Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams and stakeholders at all levels of the organization
Ability to manage personal workloads effectively, to prioritize tasks, manage timelines, and deliver high-quality results on schedule
Continuous learning mindset, with a passion for staying up-to-date with the latest advancements in machine learning and artificial intelligence
Attention to detail and commitment to producing high-quality, reliable, and maintainable code
Excellent problem-solving and debugging skills, with the ability to identify and resolve issues quickly and effectively
Bachelor's or Master's degree in Data Science, Computer Science, Mathematics, Statistics, or a related field
Strong programming skills in Python with experience in machine learning libraries and deep learning frameworks such as TensorFlow or PyTorch
Proven experience working with Large Language Models (LLMs)
Good understanding of AI agents & agentic workflows, LLM orchestration frameworks and reasoning patterns
Experience with data preprocessing, feature engineering, and model selection and evaluation techniques
Knowledge of statistical and mathematical concepts relevant to machine learning, such as probability, linear algebra, and optimization
Understanding software development best practices, including version control, testing, and documentation
Relevant work experience in machine learning, data science or a related field

The role

At Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let's shape the future of wealth management together.

What you'll do

We are seeking a skilled machine learning engineer (ML Eng) to join one of our agile development teams in our ML & AI ART. In this role, you will play a key part in designing, building, and maintaining robust, scalable AI solutions within a DevOps environment.

You'll contribute across the entire lifecycle - from concept to deployment - and collaborate closely with cross-functional teams to deliver high-quality digital solutions.

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 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
Testing and optimizing system prompts and few-shot example to ensure accurate, consistent, and safe AI outputs
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 teams, data engineers, data scientists, and other stakeholders to integrate machine learning solutions into existing systems and processes
Participate in code reviews, testing, and debugging to ensure the quality and reliability of machine learning solutions

Hiring process

2 steps1 interviewa task to do

Online application
Application review
Pre-recorded video interview
Video call · Not every role
Used for certain jobs such as graduate positions, internships and roles that need presentation skills.
First interview
Arranged if your profile aligns with the job description.

Applications are usually reviewed within the first few days, later when there is an application deadline.
Every applicant receives a decision regardless of the outcome.

About Julius Baer

Julius Baer is a Swiss private banking group headquartered in Zurich, specializing in wealth management and advisory services for private clients. Founded in 1890, the bank operates globally with a strong presence in Europe, Asia, and the Middle East, managing assets for high-net-worth individuals. It is one of Switzerland's leading private banks, known for its personalized service and comprehensive financial solutions.

In Spain, Julius Baer has established a technology and operations hub, with a significant number of open roles in IT and engineering, including positions for ServiceNow developers, AI engineers, and full-stack developers. The bank's Spanish presence is centered in Barcelona, where it leverages local tech talent to support its global digital transformation initiatives. For international professionals, Julius Baer offers a dynamic work environment with opportunities to work on cutting-edge financial technology projects, while being part of a prestigious global banking brand.

Industry: Private Banking
Founded: 1890
Employees: 5,000–10,000
Headquarters: Zurich, Switzerland
In Spain: Barcelona
Website: juliusbaer.com

Good to know if you are moving

Julius Baer has a significant technology hub in Barcelona, Spain, with many IT roles in software engineering, AI, and cloud infrastructure.
The bank offers a global work environment with opportunities to collaborate with teams across Europe and other regions.
As a Swiss private bank, Julius Baer provides a prestigious and stable employer brand, with a strong focus on professional development.
Many of the open roles in Spain are in IT and engineering, indicating a growing tech presence in the country.
The company supports flexible work arrangements, including remote work options for some positions.

In their own words

Additional information

We are looking forward to receiving your full job application through our online application tool. Further interesting job opportunities can be found on our Career site.

Is this not quite what you are looking for? Set up a job alert by creating a candidate account here.

All open roles at Julius Baer