Data Engineer - Knowledge Graphs & AI

Accenture España; Valencia; Hybrid; EUR 85,000 - 120,000; Full time

Benefits offered by this job

Private medical insurance

Life insurance

Flexible benefits program

Hybrid work model

Learning and career development

Job summary

Accenture is hiring an experienced Knowledge Graph Engineer to join the Data & AI practice in Spain. The role can be based in Barcelona, Madrid or Valencia and follows a hybrid model with both remote work and in-office collaboration.

You will lead a significant KG scope, shape problem formulation into scalable AI/KG solutions, and set technical direction. You will guide a team, design ontologies, and contribute to end-to-end delivery across business and tech teams.

Qualifications

• Bachelor's degree or equivalent, plus substantial experience with Knowledge Graph technologies.
• Hands-on schema design, ontology management, and KG curation.
• Experience designing KG solutions and graph-based ML models (functional + technical).
• End-to-end data pipeline implementations for AI apps (LLMs), with hands-on design and configuration.
• Strong knowledge of relational databases, object stores, graph databases, and vector databases.
• Experience leading a team or workstream within a larger program.
• Fluent in Spanish and high English proficiency (B2–C1).

Responsibilities

• Lead the build of Knowledge Graph solutions within the program scope.
• Design, develop, and implement AI and semantic solutions that interoperate smoothly.
• Collaborate with project leaders and stakeholders to create graph-powered Data & AI offerings.
• Develop client relationships and earn trust of key advisors.
• Make the business case for the semantic layer solution to clients.
• Contribute to Accenture sales and pre-sales efforts.

Skills

Knowledge Graph

RDF/SPARQL

Ontology design

Graph databases

Data pipeline for AI

Python

English communication

Education

MSc or BSc in Computer Science/Math/Engineering

PhD (preferred)

Tools

Stardog

Neo4J

Amazon Neptune

TensorFlow/PyTorch

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, Madrid or Valencia 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).

Preferred Qualification

• Hands‑on experience with cloud platforms (AWS, Azure, GCP)
• Experience in Python, with experience in frameworks like Tensorflow, PyTorch, and tools for building ETL pipelines (e.g. Apache NiFi, Airflow).
• Practical experience with NLP and/or Search techniques.
• Prompt engineering, and LLMs for enterprise‑scale applications.
• You have team lead experience.Strong collaboration skills with the ability to work across engineering, research, and product teams across multiple time zones.
• You have external client‑facing consulting experience.
• Ph.D. in Computer Science, Computer or Electrical Engineering, Mathematics, or a related field.
• Broad experience in diverse ML techniques and agentic systems.

At Accenture, recognized as a Great Place To Work®, we are committed to a hybrid work model that, supported by technology and our office spaces, enables us to maintain the essential human connection needed to collaborate effectively with our teams and clients. This connection helps us foster our culture of inclusion and diversity and has contributed to being recognized by Refinitiv as one of the world's most diverse companies.

In addition, we offer:

• Private medical, life, and accident insurance.
• Medical services and wellbeing programs.
• Flexible benefits program and employee share purchase plan.
• Flexible working arrangements (working hours, additional leave days, vacation options, and more).
• Personalized learning and career development paths.
• Sustainability initiatives and opportunities to participate in the Accenture Foundation.
• Employee diversity and inclusion networks.
• Additional benefits, including special banking conditions through our Bankinter office and profit‑sharing programs.