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# Data Specialist

- **Company:** Joppy
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Big Data, Information Engineering, Data Infrastructure, Data Systems, Graph Database, Neo4j, Software Tools, Semantic Web, Data Pipelines
- **Published:** August 4, 2026
- **Apply:** https://www.jobleads.com/es/job/e1620e9a7a0329c24f3797760051bdc24

## About the Role

* At least 5 years of experience as Data Engineer / Scientist
 * 2+ years of hands-on experience with Knowledge Graphs or Semantic Web technologies
 * Background in Data Engineering or Data Science (engineering preferred)
 * Experience with Knowledge Graph technologies (no matter if RDF based or PLGs)
 * Proficiency with general data engineering tools
 * Familiarity with AWS Neptune or similar managed graph solutions is a plus
 * Curious, collaborative, and excited to tackle a specialized, high-impact challenge

## Description

We're looking for a Data Specialist focused on Knowledge Graphs to join our client team. You'll work at the intersection of big data, semantics, and AI, helping architect and scale our graph-based data infrastructure. Your role will focus on designing and maintaining data systems that power our knowledge graph platform - including RDF graphs, ontologies, and semantic validation/querying pipelines. You'll contribute to a deeply technical mission: representing and verifying information in a structured, trustworthy way., * Design, build, and maintain scalable graph-based data pipelines (batch and streaming)

 * Model and manage Knowledge Graphs at scale
 * Explore and work with graph databases such as Neo4j, JanusGraph, or Amazon Neptune
 * Collaborate closely with the Data and AI teams on data modeling, storage, and transformation
 * Promote a culture of clean, reliable, and meaningful data engineering


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