Madiff

Knowledge Graph Engineer

Madiff  •  Remote  •  5 months ago
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Job Description


This is a remote position.


We are looking for an experienced
Knowledge Graph Engineer
to design and maintain the semantic intelligence layer behind an enterprise-grade Copilot. The role focuses on structuring domain knowledge so the Copilot retrieves information with precision, context, and full business understanding. Work spans ontology design, graph-based retrieval, semantic modelling, and enterprise data integration.
Responsibilities

  • Design ontologies and semantic models for complex domains (e.g., banking, advisory)


  • Build ETL pipelines from Microsoft Fabric into graph structures such as Neo4j or GraphRAG

  • Define nodes, relationships, metadata rules, and reasoning layers for precise retrieval

  • Optimise graph performance, indexing, and query execution at scale

  • Implement data quality controls to ensure accuracy and consistency of semantic structures

  • Collaborate with business experts to refine concepts and maintain domain correctness

  • Integrate the knowledge graph with Copilot retrieval flows and agent reasoning logic

  • Maintain an evolving semantic map aligned with real organisational processes


    • Requirements


    • Strong experience with
      semantic modelling, ontology design, and knowledge representation


  • Hands-on experience with
    graph databases
    and graph-based retrieval methods

  • Solid engineering background across ETL development and data transformation

  • Ability to convert complex business logic into formalised graph structures

  • Strong communication skills and confidence working with domain experts

  • Technical experience with:

    • Neo4j, GraphRAG, RDF-based graph systems

    • Microsoft Fabric, Spark, and modern ETL tooling

    • Python or TypeScript
      for ingestion and transformation

    • Vector-enabled retrieval frameworks and hybrid search strategies

    • Azure-based data services and enterprise integration patterns

    • Relevant certifications such as:

    • Microsoft Azure Data Engineer (or equivalent)

    • Foundation in knowledge engineering or semantic modelling


    Nice to have


    • Advanced graph database training or certifications

    • Additional cloud certifications related to Azure data or AI services

    • Accreditation in ontology design or semantic web technologies


    Benefits


    • Solid, competitive salary


  • Work in multinational environment on international projects

  • Comprehensive healthcare

  • Long-term B2B contract with stable project pipeline

  • Fully remote model
    • Madiff

    About Madiff

    We are an international Innovation, IT and high-tech engineering consulting company that delivers unique value in a wide variety of industries.

    Our mission is to add value to our customers businesses by providing digital and technological innovation services, delivering disruptive results and making our clients stand out in their market.

    We are driven by a creative and innovative consulting approach strongly oriented to getting results. We MAKE THE DIFFERENCE.

    Poland | UK | Switzerland | USA | Norway | Portugal | Spain | France | Singapore

    Warsaw

    Prosta 20

    Wrocław

    Rybacka 7

    Lublin

    Grottgera 2

    Industry
    IT & Software
    Company Size
    51-200 employees
    Headquarters
    Warszawa, PL
    Year Founded
    2015
    Website
    madiff.eu
    Social Media