Freelance Data Scientist with Ontology and Graph expertise

adesso Belgium is looking for a data scientist (2) to support our customer in building an AI Agent Platform Data Foundations.

• Customer info:
• Our customer is an international, independent provider of indirect procurement services.

• Preferred start date: 1x ASAP and 1x January 2027
• Duration: 12 months
• Rate: depending on your location
• Time Zone: CET

Your role Build the data and context layer that powers the customer's procurement AI agent platform — canonical models, knowledge graph, semantic/taxonomy layer, and the retrieval and evaluation pipelines agents depend on. This is production infrastructure from day one, not a proof of concept: versioned, tested, and built for multiple tenants.

You will work on:

• Data products & canonical modeling — Design and deliver the first reference data products (Supplier Master, Spend Cube, Contract Register) end to end, from source ingestion through the canonical model.

• Knowledge graph & ontology — Stand up and operate the platform and working g…