Data Engineer

hace 2 días

Sant Just Desvern, España Cala AI A tiempo completo

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. What you’ll do 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 What we’re looking for 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 Why join Cala AI? Work alongside a founder with a proven track record in AI startups Join a company dedicated to building AI for good - focused on trust and impact Competitive compensation package plus stock options Based in Cloudworks, a dynamic co-working space near Passeig de Gràcia in Barcelona; enjoy the perks that come from being part of Cloudworks, like gym subscription and restaurant discounts A supportive, inclusive, and horizontal culture that values authenticity and growth

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