We are redirecting you to the source. If you are not redirected in 3 seconds, please click here.

Knowledge Graph Expert at Gramian Consulting Group. About Us. Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.. Role overview. Our client is a . large-scale, high-traffic social content platform. whose Ads Content Understanding team builds the core engine for . accurate, interpretable understanding of organic and paid content. . Using . applied ML. and a robust . Knowledge Graph (KG). , the team extracts high-quality, monetization-focused signals that power ads performance and business insights at scale.. We are seeking a . Knowledge Graph Curator / Expert. to grow and curate . Knowledge Graph of entities and relationships. . The role sits at the intersection of . AI automation and human judgment. , managing partner team requests while proactively shaping the KG to ensure . high fidelity, relevance, and connectivity. . As the . human-in-the-loop. , you will validate . LLM-generated entities. and ensure the graph remains the . source of ground truth. for the business.. About the Team. The Indexing Team is part of the ML organization, specializing in indexing: processing massive datasets to enable ranking, search, and more. We handle real-time event processing and asynchronous batch jobs from diverse sources.. We partner closely with backend and ML teams to integrate our Indexing Platform with ML services, ensuring frictionless index creation and top-tier customer experiences.. Our platform fuels high-impact features: enterprise search, user feed ranking, and content understanding— all at . B2C scale (10M+ DAU). .. Key Responsibilities. Onboard . new entities. into the Ads team . Knowledge Graph. , ensuring alignment with defined schemas and ontologies . Serve as the . primary point of contact. for . Product, Engineering, and Analytics. teams requesting entity additions or schema changes . Prioritize and triage. incoming requests based on . business impact. , urgency, and . technical feasibility. . Perform . data entry and labeling. to support . automated content understanding. pipelines . Tune and refine LLM prompts. to improve . content understanding automation. . Review and curate . LLM-generated entities. , approving high-confidence outputs, correcting near-misses, and rejecting . hallucinations. . Execute rigorous . QA and validation. to ensure . ontological consistency. and . factual accuracy. . Create . Golden Sets. via targeted labeling to assess model quality and support . classifier and extraction model fine-tuning. . Investigate and resolve . data integrity issues. , including error correction, . duplicate entity merging. , and relationship conflict resolution . Provide clear . stakeholder feedback. , status updates, and . modeling rationale. , and guide teams on effective . Knowledge Graph querying. 3+ years of experience with . Knowledge Graph. . Strong Understanding of graph concepts (Nodes, Edges, Properties). Experience with Taxonomy & Ontology - Experience categorizing data, managing hierarchies, and understanding semantic relationships between entities.. Proficiency in navigating complex datasets. . Experience with SQL, SPARQL, or Cypher is a strong plus.. Understanding of how Generative AI works, common failure modes (hallucinations), and the importance of ground-truth data in training.. Company Location: Croatia.