Senior Data Engineer: Ontology & Knowledge Graphs

present of AI; Greater London; Hybrid; GBP 95.000 - 130.000; Vollzeit

Zusammenfassung

Valarian Technologies in London is seeking a Senior Data Engineer to turn messy information from many sources into clean, connected data that applications and AI tools can rely on. You will craft robust ontologies, enforce versioning, and optimize graph data pipelines using Python and SQL.

You’ll work in secure environments feeding an AI platform, ensuring provenance and permission rules are preserved as data moves from sources to derived outputs.

Qualifikationen

• Experience turning messy data into clean, connected data.
• Design ontologies with clear definitions and versioning.
• Production experience with a graph database or triple store.
• Skills in entity resolution and provenance tracking.

Aufgaben

• Build knowledge graphs to support AI platform workflows.
• Ensure permission-preserving data models across derived data.
• Collaborate with teams to improve data quality and governance.
• Maintain traceability of data origins and changes.

Kenntnisse

Python

SQL

Graph DB

Ontology design

Versioning

Entity matching

Provenance tracking

Neo4j

RDF store

Tools

Neo4j

RDF store

Jobbeschreibung

Valarian Technologies in London is seeking a Senior Data Engineer to turn messy information from many sources into clean, connected data that applications and AI tools can rely on. You will craft robust ontologies, enforce versioning, and optimize graph data pipelines using Python and SQL.

You’ll work in secure environments feeding an AI platform, ensuring provenance and permission rules are preserved as data moves from sources to derived outputs.