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Summary: We are seeking an Oracle Database Developer to maintain and implement ETL processes and Big Data solutions, as well as create reports and data warehouses. Highlights: 1. Work with Oracle, Big Data, and Spark/Hadoop technologies 2. Opportunity to work with experts and on innovative projects 3. Access to modern tools and working methods **Work location: Gdańsk** **Ref. No.: 16/DSH/EITE/2026** Publication end date: 29\.05\.2026 Your responsibilities * Maintain and implement ETL processes in Oracle and Big Data environments * Maintain and implement Spark/Hadoop-based solutions ensuring efficient processing of large data volumes * Design, implement, and optimize ETL/ELT processes * Create reports and dashboards using Oracle OAS/APEX/BI * Monitor and optimize database and data processing performance * Design, build, and develop data warehouses using Oracle and PL/SQL * Ensure compliance of solutions with security and data integrity requirements * Support incident diagnosis and resolution related to the data layer * Optimize performance of processes, queries, and PL/SQL procedures * Ensure code quality and manage source code in GIT and CI/CD tools in Azure DevOps * Prepare and maintain environment documentation * Support testing phases of developed solutions * Collaborate with analysts and testers throughout the software development and maintenance lifecycle up to 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 Spark environment * Familiarity with source code versioning tools (GIT, FlyWay, LiquiBase) * Knowledge of data warehouse architecture and best practices in design * Ability to work 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 learning and embracing diverse perspectives What we offer * Attractive remuneration and stable employment * Diverse team of employees * Work in a modern, international corporation * Opportunity to work with experts from various domains * Participation in large-scale, innovative projects * Access to modern tools and working methods * Benefits * Private medical care * Training and course funding * Life insurance * Pension plan * Additional social benefits * Holiday subsidy * Charitable initiatives * Additional leave * Sports card * Tickets to sports events sponsored by the Group * Bonus system
