Job Title: Senior Data Engineer (Freelance)
Location: Brussels, Belgium (1 day per week on-site)
Rate: €1000 per day
Contract Type: Freelance / Contractor
Duration: Long-term engagement
About the Company
Our client is a sector-leading software development company, recognised for delivering innovative, high-impact digital solutions across multiple industries. With a strong focus on scalability, data-driven decision-making, and cutting-edge technologies, they are expanding their data capabilities to support continued growth.
Role Overview
We are seeking an experienced Senior Data Engineer to design, build, and optimise scalable data pipelines and architectures. You will play a key role in enabling data-driven insights across the organisation, working closely with data scientists, analysts, and engineering teams.
Key Responsibilities
* Design, develop, and maintain robust, scalable data pipelines
* Build and optimise data architectures (data lakes, warehouses, etc.)
* Ensure high data quality, integrity, and availability
* Collaborate with cross-functional teams to support analytics and reporting needs
* Implement and manage ETL/ELT processes
* Optimise performance of large-scale data processing systems
* Contribute to data platform strategy and best practices
* Troubleshoot and resolve data-related issues
Required Skills & Experience
* 5+ years of experience in data engineering
* Strong proficiency in Python and/or Scala
* Solid experience with SQL and data modelling
* Hands-on experience with cloud platforms (AWS, Azure, or GCP)
* Experience with modern data stack tools (e.g., Spark, Airflow, dbt)
* Strong understanding of data warehousing concepts
* Experience building and maintaining ETL/ELT pipelines
* Familiarity with CI/CD and DevOps practices
Nice to Have
* Experience in real-time/streaming technologies (e.g., Kafka)
* Knowledge of data governance and security best practices
* Experience working in agile environments
* Background in software engineering or platform engineering
Working Setup
* 1 day per week on-site in Brussels
* 4 days remote
* Flexible working environment
Why Join
* Competitive daily rate (€1000/day)
* Long-term, stable freelance engagement
* Opportunity to work on high-impact, large-scale data projects
* Collaborative and innovative engineering culture
* Exposure to modern technologies and best-in-class practices
Start Date
ASAP (flexible for the right candidate)