BI Engineer

Freelance BI Engineer (Brussels, Belgium)

Location: Brussels (Hybrid)

Contract Type: Freelance / Independent Contractor

Duration: [12 months, with possible extension]

About the Role

We are seeking a talented Freelance BI Engineer to strengthen our data & analytics capabilities in Brussels. You will be responsible for building and maintaining Business Intelligence solutions that provide actionable insights to business stakeholders. This includes developing dashboards, reports, and data models while ensuring data quality, consistency, and compliance.

Key Responsibilities

• Design, develop, and maintain BI dashboards, reports, and analytics solutions (Power BI, Tableau, Qlik, etc.).
• Collaborate with business stakeholders to translate requirements into technical BI solutions.
• Build and optimize data models, queries, and ETL processes to support reporting needs.
• Ensure data accuracy, consistency, and performance across BI platforms.
• Integrate data from multiple sources (databases, APIs, flat files, cloud systems).
• Document BI processes, definitions, and data flows to support governance.
• Provide support and training to business users on BI tools and best practices.

Required Skills & Experience

• Proven experience as a BI Engineer / BI Developer (freelance or permanent).
• Strong skills with BI tools (Power BI, Tableau, Qlik, or similar).
• Excellent knowledge of SQL and experience with data modeling.
• Experience with ETL processes and data warehouses.
• Familiarity with cloud BI and analytics platforms (Azure Synapse, BigQuery, Redshift, etc.).
• Strong understanding of data governance and GDPR compliance.
• Experience with DAX, MDX, or similar query languages is a plus.
• Mandatory languages: Fluent in French or Dutch (spoken and written). Good command of English is also required.