Data Engineer - Knowledge Graphs & Ai

Accenture; Barcelona; Hybrid; EUR 70,000 - 100,000; Full time

Job summary

Accenture is seeking an experienced Knowledge Graph Engineer to lead a significant KG scope within the Data & AI practice in Spain. The role is hybrid, based in Barcelona or Madrid, and requires residency in Spain with a valid work permit.

You will design and implement KG/AI solutions, lead a team, and collaborate with client stakeholders to drive end-to-end delivery. You will contribute to sales efforts, publish or present perspectives, and establish standards for ontologies and data

Qualifications

• Bachelor's degree or equivalent, plus at least 4 of the following.
• Experience with Knowledge Graph technologies (RDF, SPARQL, LPG, SHACL).
• Hands on schema design, ontology management, and Knowledge Graph curation.
• Experience designing and developing Knowledge Graphs solutions and graph-based ML models (functional + technical).
• Proven experience with end-to-end data pipeline implementations for AI applications (esp. LLMs).
• Ample experience with relational databases, object stores, graph databases (Stardog, Neo4J, Amazon Neptune), and vector databases.
• Experience leading a team or workstream within a larger program - Fluent in Spanish and high level of understanding and communicating in English (B2 - C1).

Responsibilities

• Leads the build of Knowledge Graph solutions within the program scope.
• Directs design, development, and implementation of AI and semantic solutions.
• Collaborates with project leaders and stakeholders to create stand-out graph-powered Data & AI offerings.
• Develops strong client relationships and earns trust of key advisors.
• Presents the business case for the semantic layer solution to the client.
• Contributes to Accenture sales and pre-sales efforts.
• Provides thought leadership on technology trends and risks.

Skills

Knowledge Graph technologies

Schema design

Ontology management

Graph-based ML models

End-to-end AI data pipelines

Relational databases & graph databases

Team leadership in programs

Spanish & English proficiency

Education

MSc or BSc in Computer Science, Mathematics, Physics, Engineering, or related field

Tools

Stardog

Neo4J

Amazon Neptune

Vector databases

Job description

Accenture, recognized as a Great Place To Work®, is a leading global professional services company that helps major businesses, public administrations, and other organizations around the world develop their digital core, optimize their operations, accelerate revenue growth, and improve services for citizens, creating tangible value at speed and scale. We are looking for experienced Knowledge Graph Engineers to join our Data & AI practice in Spain. This role is available in Barcelona or Madrid, and follows a hybrid working model, combining remote work with in-office collaboration to foster innovation, knowledge sharing, and close teamwork. Candidates must reside in Spain and hold a valid permit to work in Spain.

YOU ARE

You lead a significant knowledge engineering scope and function within a large program; actively contribute to thought leadership. You shape how a substantial body of work formulates real-world problems into scalable AI and KG solutions, and set the technical direction for that scope. You lead a team and guide exploration and implementation of new methodologies, model building techniques, and cutting-edge algorithms. You remain at the forefront and drive innovation by applying these techniques to new business problems, use cases, and scenarios. You design, evaluate, and maintain ontologies, and establish the standards others follow. You justify the value to business and technology stakeholders, and construct the methodologies and data architectures that demonstrate it. You publish or present perspective beyond the immediate project. You work across business and technical teams to drive end-to-end delivery for their scope.

THE WORK

• - Leads the build of Knowledge Graph solutions that transform a client's data architecture within program scope.
• - Directs the design, development, and implementation of AI and semantic solutions, ensuring all the pieces work together seamlessly.
• - Works with project leaders, delivery leads, and client stakeholders to create stand-out, graph-powered Data & AI offerings.
• - Develops strong client relationships and earns the trust of key advisors.
• - Makes the business case for the semantic layer solution recommended to the client.
• - Contributes meaningfully to Accenture sales and pre-sales efforts.
• - Provides thought leadership on technology trends, new opportunities, innovations, and foreseeable limitations, risks, and concerns.

EDUCATION

MSc or BSc in Computer Science, Mathematics, Physics, Engineering, or a related field.

BASIC (REQUIRED) QUALIFICATION

Bachelor's degree or equivalent, plus at least 4 of the following:

• - Experience with Knowledge Graph technologies (RDF, SPARQL, LPG, SHACL).
• - Hands on experience in schema design, ontology management, and Knowledge Graph curation.
• - Experience designing and developing Knowledge Graphs solutions and graph-based ML models (functional + technical).
• - Proven experience with end-to-end data pipeline implementations for AI applications (esp. LLMs), with hands-on design and configuration.
• - Ample experience with strong knowledge of relational databases, object stores, graph databases (Stardog, Neo4J, Amazon Neptune), and vector databases.
• - Experience in leading a team or workstream within a larger program - Fluent in Spanish and high level of understanding and communicating in English (B2 - C1).

Data Engineer - Knowledge Graphs & AI Barcelona, ES