Senior Data Warehouse Developer

Location

Hybrid (onsite every Wednesday, with additional onsite attendance for meetings and key workshops as required)

Contract Duration

• Start Date: 01 August 2026
• End Date: 31 July 2027
• Full-time

About the Role

We are seeking an experienced Senior Data Warehouse Developer to strengthen a growing data team. You will play a key role in designing, building, and optimizing modern data warehouse solutions while helping the team improve data quality, monitoring, visualization, and best practices.

This role combines hands-on technical development with technical leadership and mentoring responsibilities.

Key Responsibilities

• Design, develop, and optimize enterprise data warehouse solutions.
• Lead data warehouse modelling and architecture initiatives.
• Build and maintain ETL/data integration processes.
• Develop reporting and Business Intelligence solutions.
• Design and optimize databases and metadata structures.
• Perform functional analysis for data projects.
• Guide and mentor members of the data team.
• Improve data quality, monitoring, governance, and development standards.
• Work within Agile/Scrum delivery teams and provide technical leadership.

Required Skills & Experience

• Minimum 5 years' experience in data warehouse modelling.
• Proven experience with data modelling.
• Experience performing functional analysis within data projects.
• Experience leading or mentoring a data team.
• Experience designing, implementing, and optimizing enterprise data warehouse platforms (e.g. Snowflake, Amazon Redshift, or similar).
• Experience planning, designing, and building data warehouse solutions using tools such as IBM Cognos or IBM DataStage.
• Strong knowledge of:
  • Data warehouse concepts, architectures, and methodologies.
  • ETL/data integration.
  • Business Intelligence, reporting, and analytics.
  • Database technologies.
  • Metadata management.
• Experience working in Agile environments, with the ability to take a leadership role.
• Experience with visualization tools such as Power BI or Tableau.
• Fluent Dutch (CEFR C2) is mandatory.

Preferred Experience

• Experience within government or public sector environments.
• Scrum Master experience.
• Experience in the energy sector.
• Experience with Azure DevOps.
• Experience with financial reporting.

Working Model

• Hybrid working arrangement.
• Fixed onsite day each Wednesday.
• Additional onsite attendance required for steering committees, workshops, and stakeholder meetings when necessary.