We’re looking for an experienced Data Warehouse Engineer (freelancer) to join a leading information and digital services company in Brussels. You’ll help implement an enterprise-wide data warehouse blueprint and shape a modern, scalable data platform built on Data Vault 2.0 principles.
This is a long-term freelance role within a dynamic, forward-thinking data team, driving the delivery of high-impact analytics solutions.
Logistics
Position: Freelance Data Warehouse Engineer
Duration: 12-month contract (with potential extension)
Day Rate: Competitive
Location: Brussels, Belgium (Hybrid - 2x days on-site)
Start Date: ASAP
Core Responsibilities
Implement prioritised business use cases based on the enterprise data warehouse blueprint.
Develop and maintain a Data Vault-based warehouse.
Write and optimise complex SQL queries for data processing and reporting.
Ensure adherence to governance, quality, and security standards.
Collaborate with data engineers, architects, and business stakeholders to bring the reference architecture to life.
Troubleshoot and resolve data ingestion and transformation issues.
Essential Skills & Experience
Proven experience as a Data Warehouse Engineer or similar.
Strong Data Vault modeling and implementation skills.
Advanced SQL proficiency (tuning, joins, window functions).
Solid understanding of ETL/ELT and data integration patterns.
Hands-on experience with Snowflake, Azure Synapse, BigQuery, or Redshift.
Strong analytical and problem-solving mindset; experience in Agile/Scrum environments.
Nice to Have
Experience with data vault automation tools.
Familiarity with GCP, CI/CD pipelines, and data governance frameworks.
Exposure to BI tools such as Power BI or Tableau.
Why Join?
Join a major enterprise data transformation using cutting-edge Data Vault methodologies. You’ll collaborate with skilled engineers and architects to build a future-proof data ecosystem that enables smarter, data-driven decisions.
If you’re passionate about data engineering and eager to make an impact, we’d love to hear from you.