Medior Data Engineer - Energy Sector - Brussels - Freelance / CDI

• Design, build, and maintain data pipelines and ETL/ELT processes using SQL Server, Azure Databricks, Azure Data Factory, Azure Functions, and related Azure services.
• Develop high‑performance storage structures and materialized views across analytical platforms.
• Create and maintain data exchange endpoints and interfaces for internal consumers.
• Contribute to data governance practices including glossary maintenance, data modeling, lineage documentation, and data quality improvements.
• Collaborate closely with business analysts, domain experts, and stakeholders to refine requirements and deliver integrated, value‑driven data solutions.
• Participate actively in solution testing and support DevOps reinforcement within the team.
• Create, maintain, and structure technical documentation.
• Promote reuse, standardisation, and coherent data approaches across the enterprise.

Qualifications

Technical Experience

Hands‑on experience (3–5+ years preferred) in at least two of the following areas:

• Advanced SQL Server usage
• Building data pipelines with Azure Databricks, Azure Data Factory, Azure Functions, Azure Stream/Log Analytics, Azure DevOps
• Developing Python‑based data pipelines or data enrichment solutions in Databricks
• Openness to learn new technologies such as Redis, RabbitMQ, Neo4j, Apache Arrow, etc.

Additional Skills

• Experience with Power BI
• Experience with SAP data integration is a plus
• Strong ability to challenge and refine requirements using rational reasoning
• Willingness to contribute to testing, DevOps activities, and documentation
• Customer‑oriented mindset and iterative thinking
• Analytical problem‑solving approach and continuous improvement mindset
• Team player with respect, open‑mindedness, and a product‑focused attitude
• Strong communication skills and willingness to share knowledge

Languages

• Fluent English (mandatory)
• Fluent German, French, or Dutch (preferred)

Additional Information

Additional Information

• Candidates must have a valid work and residence permit for Belgium (if non-EU)
• The client values diversity and inclusion, offering a positive work culture focused on well-being
• Opportunity to contribute to innovative, ground-breaking technologies in the energy sector

About the Company

We are looking for an experienced Data Engineer to join one of our Agile product teams. You will play an active role in designing, developing, and maintaining high‑quality data pipelines, analytical data structures, and integration endpoints that enable business users, analysts, and other internal stakeholders.

This is an opportunity to make a meaningful impact on our corporate data ecosystem and contribute to the delivery of high‑quality, reusable, and scalable data products.