Senior Data Engineer – Knowledge Graph (Neo4j) [J475]

Descripción

Summary: Seeking a Senior Data Engineer with strong Neo4j expertise to build and operate an enterprise knowledge graph and retrieval backbone for an AI ecosystem, focusing on scalable data pipelines and graph construction. Highlights: 1. Build and maintain ETL/ELT pipelines into Neo4j from Microsoft Fabric lakehouse. 2. Design and optimize Neo4j graphs for agentic and GraphRAG retrieval. 3. Collaborate with AI Architects and Agent Engineers on retrieval patterns. We’re looking for a **Senior Data Engineer with strong Neo4j experience** to build and operate the enterprise **knowledge graph and retrieval backbone** for an AI ecosystem. This role focuses on designing scalable data pipelines that transform enterprise data into a **Neo4j backed semantic graph** powering agentic reasoning and GraphRAG workflows. This is a hands\-on engineering role focused on **data pipelines, graph construction, performance, and reliability**, not academic ontology work. What You’ll Do * Build and maintain **ETL/ELT pipelines** from Microsoft Fabric lakehouse into Neo4j * Transform structured and unstructured data into **high\-quality graph models** * Implement automated ingestion, delta updates, and scalable loading patterns * Design and optimize **Neo4j graphs** (Cypher, APOC, indexes, constraints) * Tune graph performance for **agentic and GraphRAG retrieval** * Ensure data quality, lineage, monitoring, and auditability * Collaborate with AI Architects and Agent Engineers on retrieval patterns Required Skills * Strong **data engineering** background (pipelines, orchestration, modeling) * Hands\-on **Neo4j** experience (Cypher, APOC, bulk ingestion, performance tuning) * Experience with **Microsoft Fabric, Synapse, ADF**, or similar cloud data stacks * Python or TypeScript for pipeline and integration work * Familiarity with **GraphRAG, retrieval systems, or RAG hybrids** Nice to Have * Experience with regulated enterprise data (banking, finance, operations) * Knowledge of vector stores and embedding pipelines * Exposure to AI\-driven or multi\-agent systems **What We Offer** * Attractive salary * Large freedom and real influence * No unhealthy competition, team approach to meeting challenges * Remote\-first, flexible working culture * Company apartments in cool cities across Europe: work and enjoy a memorable getaway **About Us** We are a software house with 18 years of experience and a global portfolio of projects. We help businesses modernize, scale, and innovate through custom software solutions. Our team embraces unconventional ideas and new technologies, delivering solutions with real impact. If you value professionalism, creativity, and a strong engineering culture, you'll feel at home here. Job Type: Full\-time Pay: 54,000\.00€ \- 120,000\.00€ per year Experience: * Neo4j: 3 years (Required) Work Location: Remote