Remote Knowledge Graph Engineer (Stardog & Semantic Tech)

RCH Solutions; United States; À distance; USD 120 000 - 170 000; Plein temps

Avantages offerts par ce poste

Competitive salary

Health and wellness benefits

Company 401(k) plan

Team-focused culture

Résumé du poste

RCH Solutions is seeking a Data Engineer specialized in knowledge graphs and semantic technologies to join our growing Data and AI Engineering team. This is a hands-on role where you take ownership of a semantic layer end to end and shape the approach with clients and colleagues, not just implement a spec handed to you.

You’ll build knowledge graphs in Stardog connecting fragmented life science data across research, clinical, regulatory and operational domains.

Qualifications

• Hands-on production knowledge graph delivery with Stardog; transferable RDF stores count.
• Strong command of semantic web standards: RDF, RDFS, OWL, SKOS, SHACL, SPARQL.
• Ontology and taxonomy modelling from messy data to production-ready models.
• Experience mapping and virtualising relational/semi-structured sources into graphs.
• Solid Python and SQL for data prep, transformation, automation and troubleshooting.

Responsabilités

• Design, build and evolve knowledge graphs in Stardog from concept to production.
• Model ontologies, taxonomies and vocabularies using RDF/OWL/SKOS and SHACL.
• Write, optimise and troubleshoot SPARQL queries and rules over large graphs.
• Integrate heterogeneous sources into graphs via virtual graphs and mappings (R2RML).
• Lead discovery sessions with SMEs to translate business questions into semantic models.
• Align models with life science standards and manage identifier mapping across sources.
• Automate graph builds, tests and deployments with CI/CD and Python tooling.
• Embed data quality, validation and reconciliation checks in the graph lifecycle.
• Document models for governance, lineage, and reusable semantic assets.
• Collaborate in agile teams, contributing to standups and retrospectives.

Connaissances

Knowledge graphs

Stardog

RDF/RDFS/OWL

SPARQL

Python

SQL

Git & CI/CD

Life science data

Ontology modelling

Autonomy & ownership

Outils

GraphDB

Amazon Neptune

Virtuoso

R2RML

Description du poste

RCH Solutions is seeking a Data Engineer specialized in knowledge graphs and semantic technologies to join our growing Data and AI Engineering team. This is a hands-on role where you take ownership of a semantic layer end to end and shape the approach with clients and colleagues, not just implement a spec handed to you.

You’ll build knowledge graphs in Stardog connecting fragmented life science data across research, clinical, regulatory and operational domains.