Posted Aug 20, 2026

Application Cloud Architect (Java, Semantic Web Stack) - EU Institution (100% remote EU)

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Job description

Joining KEYES means giving purpose to your talent.

Who are we?

Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES, we are not just looking for technical expertise; we are looking for people who share our values. Do you want to continue your career and grow within one of Belgium’s leading IT companies?

KEYES - International Organizations (IO) is a dynamic global organization that takes pride in being the trusted partner of EU Institutions. With strong commitment to excellence and a 30-years track record of delivering high-quality solutions, we are dedicated to supporting the growth and success of our clients. Our Mission is to help our clients keep up with the challenges of digital transformation by providing the right talent at the right time for the right job. To this end, we are constantly looking for talented professionals who are interested in working on challenging international projects and able to deliver high-quality results within multicultural environments. Our services include (but are not limited to) modernization of solutions, digital workspaces, cloud technologies and IT security. Our Headquarters are in Brussels and we have active accounts and offices across Europe (i.e. Luxembourg, Amsterdam, Athens, Stockholm, Geneva).

More information: www.keyes.eu

Is this YOU?

For one of our main clients based in Brussels - a European Institution, we are looking for a Senior Application Cloud Architect with expertise in Semantic web stack, Cloud and Java to support corporate solutions in the area of lifelong learning and improving European’s career path and employment mobility. The project is focused on:

a) Architectural guidance and support.

b) Technical support in analysing compatibility with ESCO.

c) Technical support on integration/interoperability with Eures/Europass.

More specifically, you will be responsible for…

For the needs of the client, you need to be based anywhere within the European Union and be able to work as a freelancer (B2B contract) in the residence country.

#LI-VB1

#TRASYS

Job requirements

Are you the perfect match?

10+ years IT experience with Java, Semantic Web (RDF/OWL, Apache Jena, SPARQL, GraphDB/Fuseki), cloud and microservices architecture, Enterprise architecture (TOGAF/Cobit/Archimate), data modeling, and ability to work as an EU-based freelancer (B2B).

Key Responsibilities

Skills & Tools

Java, Apache Jena, SPARQL, GraphDB, Apache Fuseki, Microsoft Office, Archimate

Job Details

About NRB

An IT services provider delivering cloud, digital transformation, and enterprise solutions for international organizations. — Industry: Information Technology