Ontology & Semantic Technologies Specialist

We currently have a vacancy for a Ontology & Semantic Technologies Specialist fluent in English, to offer his/her services as an expert who will be based in Luxembourg. The work will be carried out either in the company's premises or on site at customer premises. In the context of the first assignment, the successful candidate will be integrated in the Development team of the company that will closely cooperate with a major client's IT team on site.

Your tasks

• Design and Improve Ontologies – Create and refine semantic models, adopting well-established vocabularies to ensure clarity and interoperability;
• Shape Systems at the Conceptual Level – Define specifications for system creation, harmonization, and optimization, with emphasis on data protection, content negotiation, and monitoring;
• Guide Implementation and Migration – Develop strategies, test plans, and contribute to standardization efforts (ELI, DCAT-AP);
• Keep Systems Running Smoothly – Monitor and troubleshoot Semantic Web applications in production;
• Bridge Tech and Business – Align semantic solutions with business goals, engaging stakeholders and measuring real-world impact;
• Be a Knowledge Leader – Share expertise on trends, train colleagues, present recommendations, and contribute to knowledge transfer;
• Stay Ahead of the Curve – Represent the company in conferences, workshops, and webinars, continuously learning and applying the latest advances.

Requirements

• University degree in IT or relevant discipline combined with 4 years of relevant experience;
• At least 3 years of experience in a software development environment;
• At least 3 years of experience in RDF and  RDF-S;
• At least 2 years of experience in OWL 2, RDF serialization formats (RDFa, Turtle, RDF/XML and JSON-LD), Triple stores (Virtuoso or equivalent) and SPARQL 1.0/1.1;
• At least 2 years of experience in Java (Java SE, Java EE, EJB, Applet, etc.) or Python;
• At least 2 years of experience in Linux;
• At least 2 years of experience in databases and querying (e.g. Oracle, SQL,Elastic Search, Mongo DB, Neo4j);
• At least 1 year of experience in OWL-DL;
• At least 1 year of experience in XML;
• At least 1 year of experience in Microsoft Windows 7 and higher;
• At least 1 year of experience in monitoring tools(e.g. ELK, Dynatrace);
• At least 1 year of experience in version management tools (e.g. SVN, Bitbucket);
• At least 1 year of experience in issue Tracking System (e.g. JIRA), Collaborative system (e.g. Confluence) and Microsoft Office 365;
• At least 1 year of experience in Cloud-native and distributed systems(e.g. API Gateway, REST, Azure, Docker, Kubernetes);
• Excellent command of the English language.

Benefits

• You'll shape the future of data—turning raw information into actionable knowledge.
• You'll empower teams and stakeholders, helping them access the right data at the right time.
• You'll become a thought leader in Semantic Web technologies, influencing both standards and strategy.

If you are seeking a career in an exciting and dynamic company, where you will offer your services as part of a team of a major European Institution, operating in an international, multilingual and multicultural environment where you can expect real chances to make a difference, please send us your detailed CV.

We offer a competitive remuneration (either on contract basis or remuneration with full benefits package), based on qualifications and experience. All applications will be treated as confidential.

EUROPEAN DYNAMICS (ED) ) is a leading Software, Information and Communication Technologies company, operating internationally (Athens, Brussels, Luxembourg, Copenhagen, Stockholm, London, Nicosia, Hong-Kong, Valetta, etc). The company employs over 1000 engineers, IT experts and consultants (around 3% PhD, 36% MSc and 53% BSc or equivalent). We design and develop software applications using state-of-the-art technology. The group generates annual revenues in the range of EURO 40 million, with an EBITDA in the range of 20%. The value of our contract portfolio exceeds EURO 250 million. EUROPEAN DYNAMICS is a renowned supplier of IT services to government institutions, multinational corporations, public administrations and multinational companies, research and academic institutes.

As part of our dedication to the diversity of our workforce, we are committed to Equal Employment Opportunity without regard for race, color, national origin, ethnicity, gender, disability, sexual orientation, gender identity, or religion.

EUROPEAN DYNAMICS (ED) adheres to the General Data Protection Regulation principles by applying its Privacy Policy as published in By submitting an application to this position and by sharing your personal data with ED, you acknowledge and accept its Policy and authorise ED to process your personal data for the purposes of the company's recruitment opportunities, in line to the Policy.