Senior Data Processing Developer

Altia; Brussel Hoofdstad; Híbrido; EUR 90.000 - 120.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Remote work with occasional Brussels -

Flexible working hours

Long-term position with growth

International team environment

EU-wide analytics platforms

Inclusive, innovation-driven culture

Descripción de la vacante

Altia seeks a Senior Data Processing Developer to lead back-end development, data pipelines, and data virtualization for large-scale EU digital transformation projects.

You will work with Oracle, Java, XML/XSL, Python, and Denodo, deliver secure APIs, optimize storage, and drive high-quality data systems in an agile/SAFe framework.

English (B2) and French (B1) are required; this is remote-friendly with occasional Brussels onsite as needed.

Formación

• Bachelor’s degree or 3 years of higher IT education (EQF Level 6).
• Minimum 17 years of total IT experience.
• Proficiency with Oracle, Java, XML/XSL, Tomcat, Denodo and Python.
• Experience in entity matching across heterogeneous data sources.

Responsabilidades

• Design core business logic and secure APIs.
• Develop data pipelines and data virtualization solutions.
• Collaborate in agile/SAFe teams on European projects.
• Ensure data integrity and scalable data storage.

Conocimientos

Oracle

Java

XML/XSL

Apache Tomcat

Python

Data Virtualization (Denodo)

Entity matching

Quantexa Certified Data Engineer

Denodo Platform Certified Architect

English (B2)

French (B1)

Educación

Bachelor’s degree in IT/Engineering

Minimum 17 years IT experience

Herramientas

Denodo Platform

Quantexa Certification

Descripción del empleo

#WEAREALTIA ALTIA is a multidisciplinary team focused on delivering advanced data-driven solutions that generate measurable impact and enable smarter decision-making. Working across international environments, we combine analytics, artificial intelligence, and business expertise to transform data into strategic value. Our mission is to help organizations evolve through innovation, scalable data platforms, and high-quality analytical solutions, fostering continuous learning, collaboration, and technological excellence.

We are looking for a Senior Data Processing Developer with extensive, high-level expertise in back-end development, data virtualization, complex data pipelines, and entity matching to join our team in supporting large-scale, mission-critical digital transformation initiatives for the European Commission (DG DIGIT.A4).

The specialist will contribute directly to the back-end development, data management, and architecture of core solutions, including the Corporate Arachne risk-scoring tool. The role encompasses designing core business logic, implementing secure and scalable APIs, optimizing database storage solutions, and building high-performance data systems. Working within structured European frameworks (Agile / SAFe), the position requires deep technical rigor, adherence to cloud and security best practices, robust unit/integration testing, and active collaboration within multi-disciplinary international teams to ensure high code quality, data integrity, and seamless operational performance.

WHAT WE HAVE FOR YOU?

• Remote work model: Far-site delivery with potential occasional, planned presence in Brussels (if requested with advance notice by the project).
• Flexible working hours.
• Long-term stable position with high-impact professional growth opportunities within strategic international public sector initiatives.
• Integration into an experienced, highly skilled, and collaborative international team.
• Participation in high-visibility EU-wide analytics and risk-scoring platforms.
• Inclusive and innovation-driven work environment.

Educational Level & General Experience

• EQF Level 6 (Bachelor’s degree or minimum 3 years of higher education in IT/Engineering).
• Minimum 17 years of total professional IT experience.

Core Technical Qualifications & Certifications:

• Minimum 17 years of hands-on experience with Oracle, Java, XML/XSL, and Apache Tomcat.
• Minimum 4 years of practical experience with Python and a Data Virtualization platform (specifically Denodo).
• Quantexa Certified Data Engineer certification (mandatory).
• Denodo Platform Certified Architect Associate certification (or equivalent) (mandatory).
• Experience in entity-matching solutions for heterogeneous customer and organization data, including resolving ambiguous or conflicting records.

Languages & Frameworks:

• English: Minimum CEFR B2 level (written and spoken).
• French: Minimum CEFR B1 level (written and spoken).

Desirable Knowledge & Skills (advantageous)

• Core Technologies (7+ years preferred): Extensive experience in PL/SQL, REST APIs, JUnit, and Maven.
• Methodologies & Certifications: Scaled Agile (SAFe) certification or training.
• Architecture & Data Engineering: SQL/NoSQL data modeling, data lifecycle management, data system optimization, and cloud platforms (AWS, Azure, or GCP).
• DevOps & Quality Assurance: CI/CD pipeline integration, unit and integration testing, automated debugging, cloud security best practices, and compliance/governance-aware design.

This job offer has been drafted taking into account impartiality and non-discrimination based on gender, race, ideology, or any other reason, in accordance with applicable equality regulations.