Data Engineer - Knowledge Graphs, hibrido
Empresa
Cala AI
Provincia
Barcelona
Ciudad
Barcelona
Tipo de Contrato
Tiempo Completo
Descripción
Data Engineer - Knowledge Graphs
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. Youll 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 Gr cia 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
ETL, Neo4J, Python,
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. Youll 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 Gr cia 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
ETL, Neo4J, Python,