Semantics / Knowledge Graph Engineer

EUROPEAN DYNAMICS

1d

About The Position

We are seeking a Semantics/Knowledge Graph Engineer to support a complex platform built around RDF data models, SPARQL queries, and structured datasets. The role is responsible for understanding, maintaining, and evolving the system’s semantic layer, working closely with backend engineers and architects. It is suited to a specialist interested in data modelling, semantics, and knowledge representation in production systems.

Requirements

• At least 3 years of experience working with semantic or data-centric systems.
• Strong knowledge of RDF, RDFS, OWL, and SPARQL.
• Experience with knowledge graphs or semantic interoperability platforms.
• Experience with data modelling and ontology design.
• Comfort working with structured data formats including TTL, XML, JSON, and CSV.
• Ability to analyse existing models and understand implicit domain logic.

Nice To Haves

• Experience with triplestores or graph databases.
• Familiarity with EU data standards or interoperability frameworks.
• Python scripting for data processing and/or Apache Airflow.
• Experience in projects with regulatory or standards-driven constraints.

Responsibilities

• Analyse and maintain RDF/TTL data models and vocabularies.
• Develop, optimise, and maintain SPARQL queries.
• Support data ingestion, transformation, and validation workflows.
• Ensure consistency and correctness of semantic data across the platform.
• Collaborate with backend engineers to integrate semantic logic into application flows.
• Document semantic models, assumptions, and constraints.
• Troubleshoot data quality and reasoning issues.

Benefits

• Competitive full-time salary.
• Private health coverage through the company’s group program.
• Flexible working hours.
• Top-of-the-line tools.
• Language courses, specialised training, and continuous learning opportunities.
• Career growth and the opportunity to work with innovative specialists in the industry.
• A dynamic work environment with challenging goals, autonomy, and mentoring.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed