Data Warehouse Developer (Mid-level)
Brussels & Ghent, Belgium
Contract: 21 April 2026 – 15 July 2027
Full-time (100%) | ±4000 hours
Apply before: 20 April 2026
About the Role
Digital Flanders is seeking a Data Warehouse Developer / Data Standards Product Owner to strengthen the OSLO data standards team.
In this role, you will drive the development, implementation, and governance of data standards and data products, ensuring interoperability across government systems. You'll act as a key bridge between technical teams, stakeholders, and partners—helping shape the future of data exchange within the Flemish Government.
Key Responsibilities
Design, build, and optimize data warehouse solutions
Lead the development and implementation of data standards (OSLO)
Ensure quality assurance and validation of data standard deliverables
Coordinate with internal teams and external partners
Translate business needs into data products and service proposals
Manage and monitor the data standards pipeline
Define and communicate vision, roadmap, and strategy for data standards
Support interoperability and data governance initiatives
Required Skills & Experience
Minimum 3+ years' experience in data warehouse modeling
Experience with Agile project delivery (4+ years preferred)
Strong knowledge of:
Data warehousing concepts, architecture, and processes
ETL, BI/reporting, databases, and metadata management
Experience with tools such as Cognos or DataStage
Experience with RDF (4+ years)
Knowledge of UML
Experience in digital transformation and data product development
Ability to work in project-oriented environments
Fluent Dutch (C2 level – CEFR)
Preferred Qualifications
Experience within the Flemish government
Familiarity with OSLO data standards
Experience with:
JSON-LD
BPMN
Agile/Scrum environments
Experience translating interoperability vision into strategy and roadmap
Master's degree in IT or related field
Experience improving semantic interoperability
Tech & Data Environment
Modeling: UML, RDF (Turtle, JSON-LD)
Data Stack: ETL, BI tools, databases, metadata systems
Tools: Cognos, DataStage
Methodologies: Agile, Scrum
Ways of Working
Collaborate closely with:
Data Standards Team Lead
Data Governance Manager
Project Leaders & Product Owners
Engage with internal stakeholders and external partner networks
Work in a data governance and interoperability-focused environment
Why Join?
Play a key role in shaping data standards at government level
Contribute to large-scale digital transformation initiatives
Work on high-impact interoperability solutions
Be part of a forward-thinking data governance team
Additional Information
Hybrid work possible
Own laptop required (virtual access provided)
EU-funded project (Recovery & Resilience Facility)
Assignment under Framework Agreement 2022–2027
Selection based on 50% quality / 50% price
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