10 hours ago
Warsaw, PolandSenior
Responsibilities
- Design, implement, and maintain GraphRAG ingestion pipelines for relational, unstructured ESG, and streaming data.
- Operationalize domain ontologies into Labeled Property Graphs and RDF Triple Stores.
- Build NER, entity linking, deduplication, and entity-resolution workflows for enterprise data.
- Develop ETL/ELT pipelines that federate internal supply chain data with external ontologies and registries.
- Build GraphRAG retrieval layers, optimized Cypher and SPARQL queries, NL2Query tools, hybrid vector-graph indexes, and MCP endpoints for LLM agents.
- Implement SHACL-based data quality tests in CI/CD pipelines to prevent invalid graph mutations.
- Optimize graph partitioning, database indexing, and multi-hop query performance across 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, including Labeled Property Graphs or RDF Triple Stores.
- Strong cloud technology experience, preferably with Azure and its ecosystem.
- Advanced Python proficiency for scalable production data pipelines, including RDFLib, NetworkX, or PyGraphistry.
- 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 understanding of RDF, RDFS, OWL, SKOS, SHACL, RDF-star, SPARQL, graph schema design, T-Box/A-Box separation, RML, and R2RML.
- Experience with supply chain, carbon accounting, GHG Protocol, or lifecycle assessment data is preferred.
- Experience building MCP servers for LLM agents and enterprise OBDA approaches at scale is preferred.
Benefits
- Hybrid work in Warsaw with 4 days per month in the office, or fully remote from Poland.
- Support with necessary office and IT equipment.
- Flexible working hours and a remote-work-from-abroad policy.
- Wellness allowance and professional mental health support.
- Optional fully covered or co-financed health care and life insurance.
- Multisport card, Multikafeteria, lunch card, and internet and electricity bill allowance.
- Referral bonus, learning and development opportunities, peer recognition, employee resource groups, sustainability events, and community involvement.
- Additional paid day for community service when volunteering.
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.