LeHibou

Contractor job Data Architect Lead

Paris

LeHibou

Published on 08/17/2026

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Notre client dans le secteur Assurance recherche un/une Data Architect Lead H/F

Description de la mission :

Service context

Within an international insurance group’s Agentic AI transformation, the semantic layer is identified as a layer sitting between data sources and the end users or systems that consume them. Its role is to abstract data structures (tables, column names, joins) into a business-friendly vocabulary (concepts, definitions, relationships, rules) that humans and machines can interpret. It is presented as an important component enabling LLM-based agents to interpret data in a trustworthy manner and to support the scalability of Agentic AI across multiple use cases.

Service deliverables

• Entity exploration to define a first approach for implementing the semantic layer in entities, based on selected Agentic AI use cases
• Low-level design of reusable semantic assets, including business vocabulary, ontologies, business process, data product mapping, and governance aligned with standards defined at group level
• Demonstration of value, feasibility validation, and learning through hands-on experimentation to enrich group standards

Profile required / expertise

• Expertise in data architecture, including data modelling, ontologies, graphs, data product, and data mesh
• Expertise in producing reference architecture documents
• Expertise in low-level design of data products, ontologies, and related assets
• Expertise in data management
• Expertise in the landscape of existing market data solutions and technologies, including Databricks, MS Fabric, and Collibra
• Expertise in large-scale, federated, and complex organizations, with cross-entity services
• Expertise in AI, LLMs, and Agentic AI architectures
• English-speaking environment is mandatory

Compétences / Qualités indispensables :

Data architecture and data modelling, Ontologies and semantic layer design, Data products and data mesh, Reference architecture documentation, AI, LLMs and Agentic AI architectures, English mandatory

Compétences / Qualités qui seraient un + :

Anglais obligatoire

Informations concernant le télétravail :

Oui — 2 jours/semaine

Candidate profile

  • Data architecture and data modelling

  • Ontologies and semantic layer design

  • Data products and data mesh

  • Reference architecture documentation

  • AI, LLMs and Agentic AI architectures

  • English mandatory

Boulogne-Billancourt, Ile-de-France
20 - 99 employees
Start-up
LeHibou, c’est la première plateforme de consultants freelances spécialisés en Tech & Innovation en Europe, qui met en relation les meilleurs experts avec des Grands Comptes et ETI. Chiffres clés & croissance : ✅ +120 000 consultants Tech inscrits ✅ 112M€ de CA en 2024 ✅ Lauréat de la FrenchTech Next40 ✅ Champion de la Croissance (Les Echos 2024 / Sifted 50 2024 / FT 2024 / Tech500) Notre différence ? Une alternative innovante aux ESN traditionnelles, grâce à une plateforme innovante utilisant l’IA et à un accompagnement humain pour tous nos clients et freelances. Nos offres : - LeHibou Experts, la 1ère plateforme des Freelances Tech en Europe - LeHibou Cybersecurity, l’accompagnement en Cybersécurité - LeHibou Executive, les Managers de votre transition 📍 Bureaux à Paris, Bordeaux, Toulouse, Lyon, Nantes, Marseille, Grand Baie & Bruxelles

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Data Architect Lead

LeHibou

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