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Knowledge Graph / Semantic Data Engineer

Remote from Spain·Full-time·Added today

Still open when we checked on 8 Oct

Overview

Job details

  • Full-time

    Per the ad.

  • Fully remote

    Per the ad.

Requirements

  • Have the right to work in Spain

    Tecdata Engineering doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

  • Have 2+ years of experience

    Junior-level role.

Skills

This job was automatically translated to English.

Requirements

What we're looking for

  • Experience: 2-4 years

  • English: Good oral and written level

  • Practical experience with at least one platform:

    • Neo4j

    • Amazon Neptune

    • Azure Cosmos DB

    • Or similar technologies.

  • Cypher

  • SPARQL

  • Gremlin

Mastery of all technologies is not necessary, but practical experience in some of them is required.

  • Knowledge of:

    • RDF

    • RDFS

    • OWL

    • SHACL, at least at a basic/intermediate level.

  • Ability to read, understand, and develop ontological definitions.

  • Experience with ETL/ELT processes.

  • Data modeling.

  • Data integration and processing.

  • Cloud Storage.

  • Operational experience with at least one of these environments:

    • AWS

    • Microsoft Azure

Experience with AWS S3 or Azure ADLS will be valued.

We are looking for a junior-mid profile, with 2-4 years of experience, oriented towards technical execution and with a real interest in specializing in Knowledge Graphs, ontologies, and Semantic Data.

We are not necessarily looking for an expert in all technologies, but rather a person with a solid foundation in Data Engineering, practical exposure to graphs or semantics, and the ability to learn autonomously.

The following will be important:

  • Initiative and autonomy.

  • Capacity for continuous learning.

  • Ability to document solutions clearly.

  • Good communication level with technical teams and clients.

  • Interest in evolving towards Senior Data Architect / Semantic Architect positions.

Nice to have

  • Degree in Computer Science, Information Science, Linguistics, Engineering, or related fields.

  • Experience in Knowledge Representation or Semantic Web.

  • Knowledge of GenAI / LLM and understanding of how Knowledge Graphs can be used in RAG and semantic search architectures.

  • Experience with Data Governance, Data Catalog, or Metadata Management platforms.

  • Certifications or specific training in Neo4j or cloud technologies.

  • Experience in sectors with complex domain models such as banking/finance, energy, healthcare, or retail.

  • Experience with Stardog.

The role

At Tecdata Engineering, we are looking to hire a Knowledge Graph / Semantic Data Engineer to participate in consulting projects and the implementation of graphs, ontologies, and semantics solutions in enterprise environments.

The selected person will join delivery teams, working under the supervision of a Senior Data Architect, with the possibility of evolving into positions of greater responsibility in data and knowledge architecture.

Participation in enterprise projects related to:

  • Knowledge Graphs

  • Semantic integration

  • Ontologies

  • MDM with ontological backbone

  • Semantic Layers for BI/AI

  • Graph-RAG

  • Data Governance and Metadata Management

An especially interesting opportunity for Data Engineering profiles who want to specialize in Knowledge Graphs, Semantic Web, and AI-oriented data architectures.

What you'll do

  • Design, implement, and deliver solutions based on Knowledge Graphs, ontologies, and semantic technologies.

  • Participate in the modeling and structuring of data for enterprise projects.

  • Develop semantic integration solutions.

  • Work on the definition, evolution, and governance of ontologies.

  • Implement ETL/ELT pipelines and data integration processes.

  • Participate in Knowledge Graph, Semantic Layer, MDM, and Graph-RAG projects.

  • Collaborate with technical teams and data architects in the design of solutions.

  • Prepare clear technical documentation and maintain semantic models and definitions.

  • Participate, when necessary, in the preparation of proposals and solutions for clients.

How you'll work

  • Modality: Remote, with occasional presence at the client site depending on the project

  • Working day: Full-time, 40 h/week

  • Schedule: Flexible depending on the client

  • SBA: 50k

  • Travel: Occasional to client sites

  • On-call: None planned

About Tecdata Engineering

Tecdata Engineering (TECDATA ENGINEERING) is a technology consulting and services provider specialized in global technology projects, with a portfolio covering custom software development, legacy modernization, managed services, cloud infrastructure, Salesforce, cybersecurity (including SOC, pentesting and NIS2 compliance), and data & AI services, alongside IT talent services such as headhunting and staff augmentation. The company reports being founded in 2012 with around 500 employees ("Compañeros 500") and 5M in billing, and forms part of a broader technology consulting group with more than 550 consultants across 5 countries. It states it is present in major economic sectors including banking, telecommunications, and insurance.

In Spain, Tecdata Engineering hires across multiple locations including Madrid, Barcelona, and Bilbao, with a significant share of openings marked "Completamente remoto" (fully remote) or hybrid. Its careers portal organizes vacancies into departments such as Desarrollo y QA, Ciberseguridad, Cloud, DevOps, Sistemas y Producción, Gestión de Proyectos, Comercial, and RRHH, and current openings range from COBOL and mainframe-adjacent banking roles to data engineering, Salesforce, SAP, cybersecurity, and air traffic management QA. For international professionals considering a move to Spain, the volume of remote-eligible roles across the country is notable, though the company's careers and website content is published in Spanish.

Industry
IT Services
Founded
2012
Employees
500
Website
tecdata.es

Good to know if you are moving

  • Many openings are advertised as fully remote within Spain, e.g. "Senior Data Scientist – GCP Madrid · Completamente remoto" and "ML ENGINEER Madrid · Completamente remoto".
  • Hiring activity in Spain includes Madrid, Barcelona, and Bilbao, with hybrid and on-site arrangements depending on the role.
  • The company reports around 500 employees ("Compañeros 500") and was founded in 2012.
  • It is part of a technology consulting group with more than 550 consultants operating in 5 countries.
  • Its client sectors include banking, telecommunications, and insurance, so many roles involve regulated, enterprise-grade environments.
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