Data Architect and Data Modeller

DATA ARCHITECT / DATA MODELLER Interim / Freelance | On-site (Amsterdam) | 16 weeks option to extend Our client, a leading real estate services organisation operating across Continental Europe, is building a shared, standardised data model to harmonise how core business concepts — properties, assets, parties, transactions, leases and valuations — are understood across countries and systems. You join a lean, senior team to design that model and the principles for connecting existing local data to it. This is a deep, hands-on modelling role. You define the conceptual and logical data model, separate the shared "common core" from country- and business-line-specific extensions, and design the mapping patterns that let existing local data systems connect to the new shared layer. About Riverflex Riverflex was founded in Amsterdam and London in 2018, eventually growing into a global team of consultants united by a mission to help courageous leaders drive transformative change. Today, we offer an integrated service through three service pillars: strategy and transformation consulting that Creates Change, talent services that Build Teams, and business-accelerating products that Augment Intelligence. For more information, visit www.riverflex.com . Responsibilities Define the conceptual and logical data model, including core domains, entities, attributes and relationships. Separate shared enterprise semantics from country-, sector- and business-line-specific extensions. Design local-to-central mapping principles, data standards and controlled extension patterns. Establish ownership, quality, lineage, metadata and model change-control approaches with the team. Translate the model into physical design principles and inputs for the data engineering backlog. Work with country and business-line stakeholders to validate the model and drive adoption. Job requirements Strong hands-on data modelling and data architecture experience (conceptual, logical and physical). Semantic modelling