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Data, Graph and Ontology Specialist / Architect

Remote from Spain·Full-time·Added today

Grupo Digital

186 open roles

Overview

Job details

  • Permanent contract

    Full-time.

  • Fully remote

    Only from certain places, per the ad: “Imprescindible residir en España.”

Requirements

  • Have the right to work in Spain

    Grupo Digital doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

Benefits

  • Private health insurance

    Per the ad: paid by the employer, or taken through flexible pay.

  • Flexible pay plan

    Take part of your salary as tax-free benefits, per the ad.

This job was automatically translated to English.

Requirements

What we're looking for

  • Professional experience in Data Engineering, Data Architecture, Knowledge Graphs, ontologies or Semantic Web.
  • Hands-on experience with graph technologies and/or semantic modeling.
  • Knowledge of RDF, RDFS, OWL and SPARQL; depending on level, additional experience with SHACL, JSON-LD, Cypher or Gremlin.
  • Experience with at least one graph platform, such as Neo4j, Amazon Neptune, Azure Cosmos DB or similar.
  • Knowledge of data integration and modeling.
  • Experience in cloud environments, mainly AWS and/or Azure.
  • Ability to work in delivery teams and, in senior positions, autonomy to define solutions and act as a technical reference.
  • Fluent English.

Nice to have

  • Experience with various graph technologies, including both property graphs and RDF triple stores.
  • Experience with Collibra, Informatica IDMC, Apache Atlas, Alation or other Data Governance/Metadata Management platforms.
  • Knowledge of domain ontologies such as FIBO, CIM, GS1, SNOMED or similar.
  • Experience with Graph-RAG, LLMs, Amazon Bedrock or Azure OpenAI.
  • Experience in Data Mesh or federated governance models.
  • Background in sectors with complex domain models, such as finance, energy, health or retail.
  • Experience in technology consulting, client workshops, PoCs or pre-sales.
  • Certifications related to graph or cloud technologies.

Pay & benefits

What you'll get

  • Competitive salary based on experience.
  • Permanent contract or option for a commercial contract.
  • 22 working days of vacation.
  • Flexible compensation plan: health insurance, childcare checks, transportation checks.
  • Training in Technology and Soft Skills.
  • Referral program: €500 for each candidate you recommend who joins us

The role

Do you move between Knowledge Graphs, ontologies, semantics and data architecture? We are looking for profiles with different levels of experience (Mid, Senior, Lead/Architect) to participate in enterprise projects where data, artificial intelligence and semantics intersect.

You will be able to work from the technical execution of graph solutions to the design of architectures, technical leadership and the evolution of Graph & Semantics capabilities.

What you'll do

  • Design, implement and evolve solutions based on Knowledge Graphs, graphs and ontologies.
  • Create data models, graph models and semantic layers for enterprise environments.
  • Integrate heterogeneous data sources from ERP, CRM, Data Warehouses and Data Lakes.
  • Work with standards and technologies such as RDF, RDFS, OWL, SPARQL, SHACL, JSON-LD, Cypher and/or Gremlin.
  • Design solutions on platforms such as Neo4j, Amazon Neptune, Azure Cosmos DB, Stardog, GraphDB or AllegroGraph.
  • Participate in MDM, Data Governance, metadata management and data catalog initiatives.
  • Develop cloud architectures on AWS and/or Azure.
  • Explore patterns in which Knowledge Graphs provide structured context to GenAI/LLM and Graph-RAG solutions.
  • Collaborate with technical teams and clients in workshops, PoCs and architecture definition.
  • In higher seniority positions, act as a technical reference, lead teams and contribute to proposals and business development.

How you'll work

  • Contract: Permanent.
  • Project location: Seville
  • Working modality: possibility of remote work. It is essential to reside in Spain.
  • Schedule: Full time
  • Salary depending on experience provided.

What level are we looking for?

The opportunity is open to different levels of experience:

  • Mid: profiles with practical experience in data and first projects with graphs/semantics, eager to specialize.
  • Senior: professionals with consolidated experience in architecture, graph modeling, ontologies and semantic integration.
  • Lead / Architect: profiles capable of leading enterprise initiatives, multidisciplinary teams, client interaction and the evolution of the Graph & Semantics capability.

The responsibility and scope of the position will be adapted to your experience and expertise.

About Grupo Digital

Grupo Digital is a Spanish IT consulting and talent outsourcing company based in Madrid. It provides IT recruitment, outsourcing, and technology consulting services, helping companies find and hire skilled tech professionals. The firm has a database of over 190,000 candidates and uses AI-driven matching to accelerate hiring, with a focus on roles in software development, data, cloud, cybersecurity, and SAP/ERP systems.

Grupo Digital operates primarily in Spain, with offices in Madrid and Valencia, and offers many remote and hybrid positions across the country. The company emphasizes flexibility, work-life balance, and professional development, making it an attractive option for IT professionals looking to work in Spain. Its international relevance is limited, as it mainly serves the Spanish market, but it provides opportunities for tech talent seeking roles in Spain.

Industry
IT Services
Headquarters
Madrid, Spain
In Spain
Madrid, Valencia

Good to know if you are moving

  • Grupo Digital is headquartered in Madrid, Spain, with an additional office in Valencia.
  • Many job openings are remote or hybrid, offering flexibility for international candidates.
  • The company provides benefits such as flexible hours, training opportunities, and parental leave.
  • It holds ISO 9001, ISO 27001, and ISO 14001 certifications, indicating quality and security standards.
  • The company participates in R&D projects with universities and public bodies, fostering innovation.

In their own words

About the company & team

About Grupo Digital We are a technology consultancy based in Madrid. Specialists in IT profile outsourcing, selection and Talent-as-a-Service models, focusing on large integrators and companies in the financial and digital sectors. We bet on excellent service, autonomous teams and measurable results. If you like working with cutting-edge technologies and in environments that add value, you will have a career path here.

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