7 days ago
Warsaw, PolandSenior
Responsibilities
- Design, implement, and maintain GraphRAG ingestion pipelines that transform relational, unstructured ESG, and streaming data into operational Labeled Property Graphs and RDF Triple Stores.
- Build Named Entity Recognition, entity linking, deduplication, and entity-resolution workflows for vendors, material SKUs, and facilities.
- Map and federate internal supply-chain data with external ontologies and registries including GLEIF, W3C SSN/SOSA, Copernicus, and PROV-O.
- Build low-latency GraphRAG retrieval layers, optimized Cypher and SPARQL queries, NL2Query tools, hybrid vector-graph indexing pipelines, and MCP endpoints for LLM agents.
- Operationalize SHACL shapes as automated data-quality tests within CI/CD pipelines.
- Optimize multi-hop queries, graph partitioning, and database indexing for sub-second traversal over billions of nodes and edges.
Requirements
- Bachelor-level degree in Computer Science, Mathematics, Engineering, or a related technical discipline.
- At least 4 years of production experience building and querying graph databases, Labeled Property Graphs, or RDF Triple Stores.
- Strong cloud technology experience, preferably with Azure and its ecosystem.
- Advanced Python proficiency, including experience with RDFLib, NetworkX, or PyGraphistry, for scalable production data pipelines.
- Experience building entity-extraction pipelines with LangChain, LlamaIndex, spaCy, or LLM-based structured extraction.
- Hands-on experience with dbt and integrating graph databases with Qdrant, Pinecone, or pgvector for hybrid search.
- Strong knowledge of RDF, RDFS, OWL, SKOS, SHACL, RDF-star, SPARQL, graph schema design, RML, and R2RML.
- Experience with supply-chain, carbon-accounting, GHG Protocol, or lifecycle-assessment data is preferred.
- Experience building Model Context Protocol servers, enterprise OBDA approaches at scale, or related graph-agent tooling is preferred.
- Candidates must be eligible to work and live in Poland and should submit a CV in English.
Benefits
- Hybrid work in Warsaw with two office days per week or fully remote work from Poland.
- Flexible working hours, remote work from abroad policy, and internet and electricity bill allowance.
- Necessary office and IT equipment.
- Wellness allowance and access to professional mental-health support.
- Optional fully covered or co-financed healthcare and life insurance, plus Multisport, Multikafeteria, and lunch cards.
- Learning and development opportunities, sustainability events, community involvement, peer recognition, employee-led resource groups, and an additional community-service day.
- Referral bonus policy.
About EcoVadis
EcoVadis builds a SaaS platform that rates companies’ environmental, social, and governance practices and provides tools for supplier risk and sustainability performance management. Procurement, compliance, and sustainability teams use its assessments, scorecards, and carbon modules to manage supply-chain due diligence and reporting. Founded in 2007 and headquartered in Paris, the privately held company also includes Ulula, enabling anonymous worker feedback to monitor labor risks across global supply chains.