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Czym będziesz się zajmować? SUMMARY Remote or hybrid (Kraków) ⏱ Project: 3 months YOU WILL Design and develop end-to-end data integration flows across enterprise systems Build and maintain ODI 12c mappings, procedures and load plans Develop and enhance complex PL/SQL packages, procedures and database logic Work with large-scale Oracle database environments, including staging and warehouse layers Design and maintain PostgreSQL schemas, indexes and PL/pgSQL functions Implement reliable data processing mechanisms including idempotency, error handling, transaction management and retry logic Design and maintain REST-based integrations and callbacks Lead data migrations including source profiling, data modelling, bulk loading, deduplication, validation and cut-over Troubleshoot complex data issues and trace data lineage across multiple systems Maintain and evolve a large existing integration codebase while ensuring stability and backward compatibility Collaborate with teams working with Salesforce, APIs and downstream customer-facing applications Kogo poszukujemy? MUST HAVE Strong commercial experience with PL/SQL, including: packages and procedures MERGE operations JSON / JSON\_TABLE SAVEPOINTs and transaction management autonomous transactions structured exception handling Strong hands-on experience with Oracle Data Integrator 12c Very good knowledge of Oracle SQL , including analytical functions and complex data transformations Good knowledge of PostgreSQL , including schemas, indexes, PL/pgSQL and JSONB Experience designing and implementing REST integrations Good understanding of data integration patterns, reliability, idempotency and error handling Experience working with large and complex existing codebases Ability to independently analyse data flows and troubleshoot integration issues NICE TO HAVE Salesforce experience, particularly External Objects and Heroku Connect Experience with MuleSoft / DataWeave Knowledge of Oracle REST Data Services (ORDS) Experience with Heroku Postgres and Dynos Python, Node.js or Java experience for monitoring, automation or API development Experience with Oracle E-Business Suite Exposure to Salesforce Data Cloud or BigQuery Experience with Flyway, Git and AI-assisted development tools Czego wymagamy? 5 lat doświadczenia na podobnym stanowisku Znajomości: PL/SQL Oracle SQL PostgreSQL REST Języki: Polski Angielski Jakie warunki i benefity otrzymasz? 25.2k–30.2k PLN netto/m (B2B) B2B - Elastyczne godziny pracy (100%) Praca zdalna: Możliwa w całości Pakiet medyczny, Ubezpieczenie, Pakiet sportowy Kawa / Herbata Kim jesteśmy? Od 20 lat wspieramy liderów IT, dostarczając technologie, ekspertów i pełne wsparcie operacyjne - w tym legalizację pobytu i pracy międzynarodowych specjalistów IT Do naszych projektów poszukujemy specjalistów Java, JavaScript, C embedded, C++, PHP, specjalistów od mobile, testerów oprogramowania, administratorów sieci i systemów i wielu innych.