Stardog Knowledge Graph Engineer (Life Sciences)

Migx; Barcelona; Híbrido; EUR 65.000 - 95.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

25 holiday days per year

Social benefits package

Career development opportunities

Employee-centric culture

Training programs

International exposure

Friendly atmosphere

Descripción de la vacante

Migx in Barcelona is seeking a hands-on Graph Engineer to design, build, and operate Stardog-based knowledge graphs for life science clients. You will work with the Knowledge Management team to translate data models into scalable graph infrastructure, integrating diverse data sources via modern pipelines and applying ontology concepts to production systems.

You will implement virtual graphs, SMS mappings, and SPARQL tooling with a pragmatic engineering mindset, contributing to documentation and

Formación

• Hands-on experience with Stardog or a comparable enterprise RDF triplestore.
• Solid experience with Stardog virtual graphs and linking external data sources.
• Experience creating and maintaining SMS mappings.
• Data engineering experience: building and operating data pipelines, ETL/ELT, data integration.
• Strong understanding of RDF/OWL ontology concepts.
• Proficient in SPARQL and graph query optimization.
• Independent and reliable with ownership of technical topics.
• Pragmatic, production-focused mindset; documentation-ready.
• Proficient in using AI tools to improve productivity.
• Languages: English fluency; Spanish a plus.

Responsabilidades

• Design, build, deploy, and operate Stardog knowledge graphs.
• Create and maintain Stardog virtual graphs linking data sources.
• Write SMS mappings to translate schemas into RDF; ensure performance.
• Write and optimize SPARQL queries and Stardog tooling for loading and validation.
• Configure Stardog security, performance, and production readiness.
• Monitor and tune graph database performance across layers.
• Design and implement data pipelines ingesting to RDF graphs.
• Develop ETL/ELT processes with data quality checks and tests.
• Integrate knowledge graphs with upstream/downstream systems and analytics.
• Apply software engineering practices: version control, CI/CD, documentation, code review.
• Support ontology versioning, SHACL validation, and alignment.
• Document data models, mappings, and graph architecture for reuse.

Conocimientos

Stardog

Virtual graphs

SMS mappings

Data engineering

RDF/OWL

SPARQL

Documentation

Independent work

AI tools

English (Fluent)

Spanish (optional)

Herramientas

Databricks

Azure Stack

ADLSv2

ADF

AKS

Descripción del empleo

Migx in Barcelona is seeking a hands-on Graph Engineer to design, build, and operate Stardog-based knowledge graphs for life science clients. You will work with the Knowledge Management team to translate data models into scalable graph infrastructure, integrating diverse data sources via modern pipelines and applying ontology concepts to production systems.

You will implement virtual graphs, SMS mappings, and SPARQL tooling with a pragmatic engineering mindset, contributing to documentation and