**Work location: Gdańsk** **Ref. No.: 46/DSH/EITE/2025** Publication end date: **November 2, 2025** Your responsibilities * Maintaining PL/SQL code in the CSIRE - MTM system. * Optimizing database processes and performance analysis of the environment. * Participation in CI/CD processes and code reviews. * Documenting database structures and processes. * Implementing changes arising from legislation and business requirements. * Supporting the analytics team and testers by resolving tasks up to third-line support. * Handling production and testing reports regarding system documentation and the Maintenance Services Card. Our requirements * Relevant higher education. * Very good knowledge of Oracle relational databases and advanced knowledge of PL/SQL. * Experience in designing ETL/ELT processes. * Knowledge of BIG DATA environment architectures. * Problem-solving skills and logical thinking. * Ability to cooperate within a team, inside the organization, and with external clients. * Independence in action and decision-making. * Proficiency in writing, optimizing, and debugging complex PL/SQL scripts. * Practical knowledge of version control systems, GIT. * Advanced knowledge of the Java programming language, especially in the context of application integration with Oracle database (JDBC). * Experience in creating and maintaining backend applications using Java technology integrated with Oracle. * Desirable: experience in Python coding, familiarity with Azure DevOps tools, knowledge of the Spring Boot framework, understanding of integration topics (REST, SOAP, file interfaces, XML, XSD, json, OpenAPI). * Fluent command of the Polish language – project documentation and meetings are conducted in Polish. * Knowledge of English at a level enabling understanding and working with industry and technical documentation. * Effectiveness in action. * Business accountability. * Orientation towards continuous development and drawing from diverse perspectives. We offer * Attractive remuneration and stable employment * Diverse workforce * Work in a modern, international corporation * Opportunity to work with experts from various fields * Participation in large, innovative projects * Access to modern tools and work methods * Benefits * private medical care * funding for trainings and courses * life insurance * pension plan * additional social benefits * vacation subsidy * charitable initiatives * additional leave * sports card * tickets to events sponsored by the Group