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Full Stack Engineer - Knowledge Base Team at Santander - ApplyBlast

Full Stack Engineer - Knowledge Base Team

Santander

4 days ago

4.0 on Glassdoor

Madrid, Community of Madrid, Spain

Hybrid

Full Time

Senior

0 applicants

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About this role

A Full Stack Engineer on the Knowledge Base Team at Santander builds and operates secure, scalable applications and APIs that transform enterprise data into trusted knowledge for AI-driven solutions. The role involves collaborating with cross-functional teams to deliver production-grade capabilities at enterprise scale, focusing on RAG, GraphRAG, and semantic search technologies. This position is based in Madrid and requires strong expertise in full stack development and cloud-native solutions.

Responsibilities

Design and build full stack applications, backend services, APIs, and web interfaces
Develop data-to-knowledge workflows covering ingestion, chunking, embeddings, and retrieval
Build RAG and GraphRAG services combining vector search, graph traversal, and reranking

Skills

Qualifications

BSc in Computer ScienceMSc in Computer ScienceBSc in Software EngineeringMSc in Software Engineering

About Santander

santander.com

Headquarters

Boadilla Del Monte, Community Of Madrid, Spain

Company Size

10001+ employees

Founded

1857

View Profile

Santander is a global banking group headquartered in Spain that provides retail, corporate and investment banking, payments, asset management and insurance across Europe, Latin America and other markets. Its stated purpose is to help people and businesses prosper, guided by the values Simple, Personal and Fair, and it serves customers through a mix of branch networks and digital channels. Companies and consumers choose Santander for its broad product set, international footprint and focus on digital innovation and sustainable finance.