Knowledge Base Expert

IT STARTS HERE

Santander (www.santander.com) is evolving from a global, high-impact brand into a technology-driven organization, and our people are at the heart of this journey. Together, we are driving a customer-centric transformation that values bold thinking, innovation, and the courage to challenge what’s possible.

This is more than a strategic shift. It’s a chance for driven professionals to grow, learn, and make a real difference.

Our Chief Data & Artificial Intelligence Officer (CDAIO) division is building a world-class AI & Data team to make a difference in the lives of over 170 million people worldwide, through one of the largest banks in the world.

We are undergoing one of the biggest transformations in our history and technology is at the heart of our strategy. Join our team to play a part in one of the most important technological projects for the financial sector in the world.

Our mission is to contribute to helping more people and businesses prosper. We embrace a strong risk culture and all our professionals at all levels are expected to take a proactive and responsible approach toward risk management.   Santander is proud of being an organization where there are equal opportunities regardless of age, gender, disability, civil status, race, religion or sexual orientation. This job offer is an opportunity not only to join a great company but also to collaborate in projects that have a real impact on society.

THE DIFFERENCE YOU MAKE

At Santander, we are building a top-tier AI and Data organization. As part of this transformation, we are seeking a Knowledge Base Expert for graph-based AI platforms (like Kumo.ai). You will be responsible for designing, building, and maintaining the enterprise knowledge graph that acts as the "brain" for our AI tools.

Your mission will be to structure the organization's data as a network of interconnected entities and relationships, enabling AI to uncover complex and predictive insights that are not visible with traditional methods.

Key Responsibilities

Knowledge Graph Design and Management

• Design, implement, and evolve the Group's knowledge graph model to faithfully represent business entities (customers, products, transactions) and their relationships.

• Define the schemas, ontologies, and taxonomies that govern the graph.

• Be the owner of the knowledge graph, ensuring its quality, consistency, and scalability.
   

Data Curation and Enrichment

• Identify and integrate various data sources (structured and unstructured) to continuously populate and enrich the graph.

• Coordinate with data engineering teams to build ETL pipelines optimized for ingestion into graph databases.

• Ensure the quality and accuracy of the data within the graph to maximize AI performance.
   

Enablement and Support

• Act as the subject matter expert on the knowledge graph for business, data science, and technology teams.

• Train users (such as analysts and data scientists) to query and leverage the graph autonomously.

• Translate business problems into queries and solutions based on graph analysis.

WHAT YOU’LL BRING

Our people are our greatest strength. Every individual contributes unique perspectives that make us stronger as a team and as an organization. We’re enabling teams to go beyond by valuing who they are and empowering what they bring.

The following requirements represent the knowledge, skills, and abilities essential for success in this role. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Education:

• Degree in Computer Science, Engineering, Information Management, or a similar field. (Required).

Professional Experience

• Solid experience working with graph databases (e.g., Neo4j, TigerGraph) and query languages like Cypher or GSQL. (Required).

• Demonstrable experience in data modeling, ETL, and data architecture. (Required).

Hard Skills

• Knowledge of graph-based AI platforms (familiarity with tools like Kumo.ai, Katana Graph, etc., will be positively valued). (Required).

• Ability to structure complex and unstructured information. (Required).

• Strong communication skills and the ability to connect business needs with technical, data-driven solutions. (Required).

WE VALUE YOUR IMPACT

Your contribution matters, and it’s recognized. You can expect a fair, competitive reward package that reflects the impact you create and the value you deliver. But we know rewards go beyond numbers.

• We’re enable our teams to go beyond through global opportunities and broad career paths.

• Flexibility that works. Enjoy a hybrid working models—some days remote, some days onsite with your team—along with flexible hours.

• Learning for life. Access hundreds of courses on our platforms, including exclusive access to our global learning space: Santander Open Academy (www.santanderopenacademy.com)

• Competitive rewards. Receive a highly competitive salary with performance-based bonuses, motivating you to keep growing with us.

• Financial advantages. Benefit from preferential banking terms, special interest rates on loans, life insurance, and more.

• Your health is our priority. Through BeHealthy, our global wellness programme, we promote Holistic wellbeing.

• We know family is everything. That’s why we offer childcare support and family-friendly programmes tailored to each life stage.

• Always by your side. Get access to Santander Contigo, our program for employees and their families offering legal, emotional, and administrative advisory services.

• Extra benefits. Gym/WellHub membership, medical centers in some of our facilities, meal subsidy, parking, shuttle service from various points in Madrid, as well as exclusive discounts and offers for Santander employees. And that’s only the beginning—we’ll tell you more when you join!

We’re here to keep you motivated, help you reach your goals, and celebrate your progress, every step of the way.

LOCAL COMPLIANCE

Santander is proud of being an organization where there are equal opportunities regardless of age, gender, disability, civil status, race, religion or sexual orientation. We are committed to providing an inclusive and accessible application process for all candidates.

WHAT TO DO NEXT

If this sounds like a role you are interested in, then please apply.
 

READY TO TAKE THE NEXT STEP IN YOUR JOURNEY?