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Summary: This role involves developing and maintaining ETL processes, Spark/Hadoop solutions, and data warehouses, focusing on data integrity and performance optimization within an Oracle environment. Highlights: 1. Participation in large, innovative projects 2. Opportunity to work with experts from various domains 3. Access to modern tools and working methods **Workplace: Gdańsk** **Ref. No.: 16/DSH/EITE/2026** Publication end date: 29\.05\.2026 Your responsibilities * Maintaining and implementing ETL processes in Oracle and Big Data environments * Maintaining and implementing Spark/Hadoop solutions ensuring efficient processing of large data volumes * Designing, implementing, and optimizing ETL/ELT processes * Creating reports and dashboards in Oracle OAS/APEX/BI * Monitoring and optimizing database and data processing performance * Designing, developing, and evolving data warehouses using Oracle and PL/SQL * Ensuring solution compliance with security and data integrity requirements * Supporting diagnosis and resolution of incidents related to the data layer * Optimizing performance of processes, queries, and PL/SQL procedures * Ensuring code quality and managing source code in GIT and CI/CD tools in Azure DevOps * Preparing and maintaining environment documentation * Supporting testing phases of developed solutions * Collaborating with analysts and testers throughout the software development and maintenance lifecycle, including third-line support Our requirements * Minimum 2 years of experience as an Oracle database developer * Very good knowledge of relational databases (Oracle preferred) * Good knowledge of PL/SQL * Experience in designing and implementing ETL solutions * Experience with ETL orchestration tools (ODI/Apache Airflow) * Experience with BI tools (Oracle APEX, OAS) * Good knowledge of the Spark environment * Familiarity with source code versioning tools (GIT, FlyWay, LiquiBase) * Knowledge of data warehouse architecture and best practices in design * Ability to work effectively in a team and with external clients * University degree * English language proficiency sufficient for reading technical documentation * Effectiveness in action * Business responsibility * Commitment to continuous development and openness to diverse perspectives What we offer * Attractive remuneration and stable employment * Diverse workforce * Employment in a modern, international corporation * Opportunity to work with experts from various domains * Participation in large, innovative projects * Access to modern tools and working methods * Benefits * Private medical care * Training and course funding * Life insurance * Pension program * Additional social benefits * Holiday subsidy * Charitable initiatives * Additional leave * Sports card * Tickets to sports events sponsored by the Group * Bonus system
