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89,000+ live jobsData Scientist - European Agency in A Coruña
Remote, A Coruña·Full-time·Added yesterday (last checked 12 Nov)
Our summary
- Work mode
- Remote (A Coruña)
- Contract
- Full-time
- Experience
- Senior level
- Benefits
- Flexible pay plan




Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
Altia is hiring for this role in several places. This vacancy is in A Coruña.
Pay & benefits
What you'll get
🔹What we offer🔹
⚡High-impact project
👫 Collaborative work environment
🚀 Career Plan
📘 Training Plan
💸 Flexible Remuneration
The role
We are looking for a Senior Data Scientist / Semantic Data Engineer specialised in semantic data, Linked Data, ontology engineering, and knowledge graphs, responsible for designing and implementing data solutions based on semantic technologies.
You will contribute to semantic data and knowledge graph activities within an international project supporting European institutions and agencies, helping transform heterogeneous information sources into interoperable, reusable, and semantically enriched data solutions.
What you'll do
Semantic Data & Ontologies: Design and align data models and ontologies, develop controlled vocabularies, and manage their lifecycle to ensure consistency and interoperability.
Knowledge Graphs: Design and maintain knowledge graphs, develop and optimise SPARQL queries, and validate semantic data models using SHACL.
Data Ingestion & Transformation: Develop ETL/ELT pipelines to ingest, transform, and publish data from relational databases, XML, JSON, CSV, and APIs into RDF-based environments.
Linked Data Engineering: Implement Linked Data solutions and semantic transformations using established RDF standards and mapping technologies.
Functional & Technical Collaboration: Translate business requirements into technical specifications and communicate complex semantic data concepts and results effectively to both technical and non-technical stakeholders.
Stack
Semantic Web & Linked Data: RDF, RDFS, OWL, SKOS, SHACL, JSON-LD, Turtle, RDF/XML, Linked Data.
Querying & Knowledge Graphs: SPARQL, knowledge graph modelling and optimisation, QLever, Virtuoso, GraphDB.
Ontology Engineering: Ontology alignment, vocabulary design, ontology lifecycle management, semantic modelling.
Data Engineering: Python, ETL/ELT, RML, data ingestion and transformation from relational, XML, JSON, CSV and API sources.
Validation & Interoperability: SHACL, semantic data validation, RDF mappings and Linked Data interoperability.
About Altia
Altia is a Spanish IT consulting and technology services company headquartered in A Coruña, Spain. It provides a wide range of services including software development, systems administration, cybersecurity, and digital transformation solutions to clients across banking, public sector, and industry. With a strong presence in Spain, Altia has grown to employ over 2,000 professionals and operates in multiple regions, offering both on-site and remote roles.
For international professionals, Altia offers opportunities to work on diverse projects with modern technologies such as AI, cloud, and enterprise systems. The company emphasizes professional growth and has a collaborative work culture, with many roles open to remote work. While its primary language is Spanish, some positions, especially those involving international clients, may require English proficiency.
- Industry
- IT Consulting
- Founded
- 1994
- Employees
- 1,000–5,000
- Headquarters
- A Coruña, Spain
- In Spain
- A Coruña, Madrid, Barcelona and 2 more
Good to know if you are moving
- Altia is headquartered in A Coruña, a coastal city in Galicia, Spain, offering a high quality of life and lower cost of living compared to Madrid or Barcelona.
- The company has offices in multiple Spanish cities, including Madrid, Barcelona, Vigo, and Zaragoza, providing flexibility for relocation.
- Many roles are offered as fully remote or hybrid, making it easier for international hires to work from anywhere in Spain.
- Altia works with major clients in banking and the public sector, offering exposure to large-scale enterprise projects.
- While Spanish is the primary working language, some roles require English, and the company supports professional development.
In their own words
About the company & team
Altia is a high-value digital transformation services company that has undertaken, changed, and reformulated international projects for nearly a thousand clients, leaders in their sectors, who have understood that their businesses can be revolutionized through digitalization. Over its 30 years of experience, it has proven to be a robust company with a future, a capacity for innovation, and adaptability.
Additional information
The present job offer is drafted taking into account impartiality and non-discrimination on the grounds of gender, race, ideology, or any other reason. Especially, it takes into account the respect for the current regulations regarding gender equality between women and men (Royal Decree-Law 6/2019).
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