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Backend Engineer (Ontology & Knowledge Graph)

VERITA HR POLSKA SP. Z O.O. · Kraków, Poland · Hybrid · Senior

  • Kraków, Poland · Hybrid

Indexed (today) · refreshed constantly

Start
ASAP
Work mode
Hybrid
Contract
Freelance / B2B
Seniority
Senior
Reference
ZTEKO8JK

Required skills

Job description

- Prestigious position at one of the world’s largest banks. - Stable, long-term projects. - Competitive salary with a B2B contract. - Hybrid work (6 days per month from the office in Cracow). - Private healthcare and multisport card. - Personal growth and development opportunities with the possibility to rotate between projects. - Develop backend services an

Project overview

  • Prestigious position at one of the world’s largest banks.
  • Stable, long-term projects.
  • Competitive salary with a B2B contract.
  • Hybrid work (6 days per month from the office in Cracow).
  • Private healthcare and multisport card.
  • Personal growth and development opportunities with the possibility to rotate between projects.
  • Develop backend services and APIs to store, manage, version, validate and publish ontology concepts, relationships, mappings and metadata.
  • Implement ontology lifecycle capabilities, including draft, review, approval, publication, change management and retirement.
  • Integrate ontology services with knowledge management and knowledge-building tools, knowledge-processing pipelines and graph-building services.
  • Implement semantic validation and quality checks for consistency, completeness, duplication, naming and alignment to approved ontology standards.
  • Support publication of approved ontology assets for use in graph, vector and hybrid knowledge solutions.
  • Work with the Semantic Ontology Lead, Ontology Engineers, architects and project teams to translate requirements into reusable platform capabilities.
  • Contribute to automated testing, observability, documentation, deployment and continuous improvement of the services.
  • Proven experience as a Back-end Engineer or Software Engineer delivering production-grade services and APIs.
  • Strong programming skills in Java, Python or an equivalent language, with experience developing maintainable, testable and secure code.
  • Experience designing APIs, service interfaces, data models and integration patterns.
  • Practical understanding of ontologies, taxonomies, metadata, semantic models or knowledge graphs.
  • Familiarity with semantic technologies such as RDF, OWL, SHACL or SPARQL, or equivalent graph and ontology technologies.
  • Experience with relational, graph or NoSQL databases, cloud services, CI/CD and observability tools.
  • Experience implementing validation, versioning, workflow or publishing capabilities is advantageous.
  • Strong collaboration and problem-solving skills, with the ability to work effectively across product, architecture, engineering and business teams.

Project details

  • Start: ASAP
  • Location: Kraków, PL

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