Data Warehouse Developer – part-time

Our client, a prominent public sector organization, is looking for a specialist to enhance their data standards team. The project focuses on developing, implementing, and refining interoperability principles to ensure unambiguous data modeling across diverse systems. A professional is sought to harmonize data structures and implement advanced semantic solutions to improve information exchange.

• Develop data specifications, domain models, and application profiles based on project documentation.
• Implement and refine data standards by modeling and harmonizing information according to interoperability principles.
• Define clear definitions for concepts and structures to prepare models for working groups and implementation.
• Collaborate with partners to ensure semantic consistency and content alignment across various data projects.
• Apply linked data and interoperability principles to modernize existing data systems.
• Build and maintain technical tools for the publication and versioning of data standards.

• You have 3+ years of experience in data warehouse modeling and semantic interoperability.
• You bring 3+ years of experience with Linux distributions, environment management, and security troubleshooting.
• You possess experience with planning, designing, and building data warehouse applications using Cognos or Datastage.
• You have practical knowledge of Linked Data technologies including RDF, JSON-LD, and SPARQL.
• You bring proficiency in modeling and analysis techniques using UML and BPMN.
• You possess knowledge of data warehouse architecture including ETL, BI, and metadata components.
• You have experience with web technologies including TypeScript, JavaScript, Vue.js, or Node.js and REST APIs.
• You're familiar with shell scripting and Agile methodologies.
• You're analytical, communicative, and a proactive team player.
• You are fluent in Dutch at a C2 level.

Nice to Haves

• Master or Bachelor degree in IT.
• Experience with GitHub and CI/CD tools like CircleCI.
• Previous involvement in research or implementation of systems with Linked Data.
• Willingness to learn DevOps and programming practices.

• Start date: 20/04/2026.
• Duration: until 15/07/2027.
• Work regime: 60%.
• Working model: Hybrid (Remote work possible).
• Contract: open to both permanent employees and freelancers.