Our purpose is to guide all companies toward a sustainable world. Eco Vadis is the leading provider of business sustainability ratings. Our solutions are backed by an international team of experts and powerful technology. We analyze data and build sustainability scorecards that give companies actionable insights into their environmental, social and ethical risks. Be a part of the global sustainability change in business.

We are seeking a Senior Knowledge Representation and Knowledge Graph Expert to join our AI Center of Excellence. Your primary mandate is to ensure our structured enterprise data and unstructured sustainability disclosures are completely agent-ready. You will collaborate closely with methodology, data, and product teams across the organization.

Architect and maintain the integration layer that harmonizes proprietary internal knowledge sources with global, open-source ontologies and public registries.

Graph RAG Integration: Collaborate with AI/ML Engineers, Enterprise Architects, and Data Engineers to link graph databases with vector stores, enabling high-performance, multi-hop semantic retrieval for LLM grounding. Implement robust entity linking and harmonization pipelines to clean, resolve, and connect fragmented data streams. Demonstrated hands‑on proficiency with semantic web standards (RDF, OWL, SPARQL, Turtle, and SHACL) and property graphs (e.g., Neo4j, Cypher).

Experience working with global vocabularies (e.g., SKOS, PROV-O, DCAT) and integrating third‑party registries (such as emissions databases, legal entity registries, or climate/weather API feeds) into a cohesive knowledge base.

Modern AI Architectures: Proven background integrating Knowledge Graphs into LLM‑driven architectures, multi‑agent frameworks (e.g.,



Python Proficiency: Strong skills in Python for graph data manipulation (e.g., RDFLib, JSON-LD) and constructing ETL data pipelines into graph stores. A collaborative mindset and comfort working across integral, cross‑functional teams. A passion for solving complex semantic data challenges and advancing enterprise AI safety.

Barcelona Hybrid: 4days in office per month In return for your expertise, we offer: Support with all the necessary office and IT equipment Wellness allowance for mental and physical wellbeing Access to professional mental health support Learning and development Sustainability events and community involvement Employee‑led resource groups Remote work from abroad policy Meals and Transportation Vouchers (Coverflex card) Life & Accident Insurance + Private Health Insurance Paid moving day (1/year) Time off: 1 Community Service Day + 1 Personal Day Summer Hours in July and August (36 hours per week) Hybrid Monthly Allowance for electricity and Internet We welcome diverse candidates and want to assess your skills and potential contribution to Eco Vadis, regardless of your background. To reduce bias in hiring, applicants are encouraged to remove personal details such as photos, marital/parental status, religion, gender, postal code, university name/graduation date, past leave details, and nationality (instead, confirm eligibility to work in the job location). Inputs and outputs of the system have been validated by humans and answers are based on algorithms that analyze previous data with which the system has been trained.

We use Smart Recruiters as our applicant tracking system and to schedule interviews. Gemini is used to summarize notes from interviews and to refine job descriptions and social media messaging.

📌 Senior Architect (Remote) (Madrid)
🏢 JobFlurry
📍 Madrid