Java Developer

il y a 6 jours

Luxembourg Edda International Temps plein

**WHO WE ARE**:
Edda International, a dynamic and rapidly growing European group of companies with an estimated 2024 turnover of 20+ MEUR, 220+ employees and 15+ years of experience. Operating out of Luxembourg and Brussels, Edda International manages large International Institutions Framework Contracts delivering Information Technology services throughout geographical Europe.

**WHAT WE ARE LOOKING FOR**:
**Java Developer - GraphDB & Semantic Web | European Institutions**

We are currently looking for **two highly motivated Java Developers** to support our client’s projects at a prestigious **European Institution in Luxembourg (Kirchberg)**. The mission involves working with **graph databases and semantic web technologies**, driving innovation in data representation, retrieval, and UI integration.

We are hiring for:

- **1 Junior Developer** (1-4 years of experience) - **full-time onsite**
- **1 Senior Developer** - flexible model**:onsite, near-site (within 2h travel)** or **remote (minimum 20% onsite)**

In these roles, you will contribute to software development activities in the domain of **semantic web, data visualization, and search technologies** used by one of the most influential institutions in Europe.

**YOUR TASKS**:

- Write and optimize **SPARQL queries**
- Develop and maintain ETL processes for existing and new tools
- Create and integrate **UI filters, data presentation layers**, and backend services
- Manage different development environments and CI/CD pipelines
- Contribute to architectural decisions and **evaluate technology options**
- Optionally, support front-end styling and interaction
- Collaborate with institutional stakeholders on product improvements
- Support Proof-of-Concept (PoC) creation and adaptive development

**YOUR SKILLS AND EXPERIENCE**:

- Strong experience in **Java** development
- Hands-on experience with **SPARQL**, RDF, and **GraphDB** technologies (e.g., Ontotext, Blazegraph, etc.)
- Familiarity with **semantic web concepts** such as OWL and SHACL is a strong asset
- Proficiency with **Elastic Search** is a plus
- Capable of working **independently and proactively**
- Understanding of **front-end/backend data flow**
- CI/CD and versioning experience (e.g., Git, Jenkins)
- Previous experience in EU institutions is a plus
- Bonus: project management experience or familiarity with institutional workflows

**EXTRA INFORMATION**:

- **Contract type**: Permanent employment or freelance
- **Start date**: September/October 2025
- **Location**: Luxembourg (Kirchberg)
- **Work mode**:

- Junior**:On-site, 5 days/week**
- Senior**:On-site or near-site (within 2 hours from Kirchberg)** or **remote with minimum 20% onsite**
- **Relocation required** if beyond 2h travel from **Kirchberg** for full on-site positions

**At Edda International, we are committed to supporting a Diverse and Inclusive Community. This position is open to EU citizens or non-EU citizens already residing in the EU with a valid work permit, due to the sensitive nature of institutional data.**:

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