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 - Build back-end services and REST
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
- Build back-end services and REST APIs for source registration, metadata retrieval and lifecycle management
- Develop integrations with external sources, handling pagination, rate limits, errors and content changes
- Design and evolve the metadata model (identifiers, versioning, content hashes, ownership, relationships)
- Create reliable data contracts and persistence layers with idempotent, safe reprocessing
- Build reusable components for classification, enrichment, provenance, lineage and data quality
- Add observability to services: status, latency, error classification, logs, metrics and traces
- Integrate with the Knowledge Catalogue and the wider Knowledge Platform
- Write unit, integration and contract tests, and contribute to CI/CD and production support
- Work closely with the Technical Lead, architects and analysts to turn requirements into production-ready solutions
- Experience building and running production-grade back-end services
- Strong Java or Python skills (or a similar language), with a focus on clean, testable code
- Hands-on experience designing REST APIs, data models and schema evolution
- Solid SQL and relational database design skills (keys, constraints, indexing, transactions)
- Familiarity with NoSQL and graph databases (LPG/RDF)
- Understanding of versioning, idempotent processing, data lineage or data quality concepts
- Experience integrating external APIs and working with structured and unstructured data
- Practical knowledge of cloud services, CI/CD and observability
- Strong problem-solving skills and a collaborative mindset
Project details
- Start: ASAP
- Location: Kraków, PL
- Rate: 169-194 EUR/h
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