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