Knowledge Base Scientist Senior - CDAIO

Santander; Boadilla del Monte; Hybrid; EUR 85,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Santander Open Academy access

Hybrid work model (remote + onsite)

Banking terms and loans

Wellness program

Childcare support

Contigo advisory services

Gym and meal subsidies

Job summary

Santander, based in Spain, is seeking a Senior AI Scientist to lead the local implementation and evolution of the AI Knowledge Base. You will shape graph schemas, entity resolution, metadata structures, and retrieval pipelines in collaboration with global teams.

The role demands 5–10 years in AI or ML in production, strong Python and data processing skills, and a track record of delivering scalable, maintainable AI systems within a distributed organization.

Qualifications

• 5–10 years of experience in AI, data science, or machine learning systems in production environments.
• Experience designing and operating data pipelines or AI systems with high scalability, reliability, and maintainability.
• Experience collaborating across engineering, product, and business teams to deploy AI-enabled systems.
• Ability to translate architectural guidance into practical, working local solutions aligned with global platforms.
• Strong ownership and responsibility within a distributed, multi-country AI organization.

Responsibilities

• Lead and manage local implementation and evolution of Santander’s AI Knowledge Base.
• Design, develop, and maintain local instances of the Knowledge Base including graph schemas and retrieval pipelines.
• Collaborate with global Knowledge Base leadership and cross-functional teams to ensure alignment with global platforms.
• Contribute to evaluation frameworks and monitoring practices for AI systems.

Skills

Knowledge representation

Graph modeling

Semantic data structures

Information retrieval

Machine learning

Python programming

Distributed AI

Tools

Graph technologies (Neo4j)

Data processing pipelines

Job description

IT STARTS HERE

Santander (www.santander.com), based in Spain, is evolving from a high‑impact global brand to a technology‑driven organization. Our mission is to help people and businesses thrive. As part of the global AI Transformation team, you will lead and manage strategic AI initiatives that drive impact across global companies and key functions.

Main Responsibilities

The Senior AI Scientist provides scientific and technical leadership for the local implementation and evolution of Santander’s AI Knowledge Base. Focus areas include knowledge representation, graph systems, and agent‑ready data structures. The role involves designing, developing, and maintaining local instances of the Knowledge Base, shaping graph schemas, entity resolution strategies, metadata structures, and retrieval pipelines, and contributing to evaluation frameworks and monitoring practices. You will collaborate closely with global Knowledge Base leadership and cross‑functional teams.

Professional Experience

• 5–10 years of experience in AI, data science, or machine learning systems in production environments.
• Demonstrated experience designing and operating data pipelines or AI systems with requirements in high scalability, reliability, and maintainability.
• Experience collaborating across engineering, product, and business teams to deploy AI‑enabled systems.
• Ability to translate architectural guidance into practical, working local solutions aligned with global platforms.
• Comfort operating as a strong individual contributor with ownership and responsibility within a distributed, multi‑country AI organization.

Hard Skills

• Strong expertise in knowledge representation, graph modeling, semantic data structures, or information retrieval systems.
• Practical background in machine learning and modern AI architectures, particularly where they intersect with structured knowledge and retrieval.
• Strong Python programming skills and familiarity with data processing and graph technologies.
• Ability to translate architectural guidance into practical, working local solutions aligned with global platforms.
• Comfort operating as a strong individual contributor with ownership and responsibility within a distributed, multi‑country AI organization.

Benefits

• Competitive salary with performance‑based bonuses.
• Access to hundreds of courses on Santander Open Academy.
• Flexible hybrid work model with remote and onsite days.
• Preferred banking terms, special interest rates on loans, life insurance, and other financial advantages.
• Wellness program through BeHealthy and wellness facilities.
• Childcare support and family‑friendly programmes.
• Legal, emotional, and administrative advisory services through Santander Contigo.
• Gym membership, medical centre access, meal subsidies, parking, shuttle service, and additional discounts for employees.

Equal Opportunity Statement

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.