DWH Developer (m/f)

Description

Summary: We are seeking a specialist to develop and maintain data warehouses, design ETL/ELT processes, and create reports and dashboards, with a strong focus on code quality and performance optimization. Highlights: 1. Working with Oracle and PL/SQL in data warehousing 2. ETL/ELT process design and optimization 3. Participation in large-scale, innovative projects **Work Location: Gdańsk** **Ref. No.: 09/DSH/EITE/2026** Publication Expiry Date: 05\.04\.2026 Collaboration Agreement (B2B) Your Responsibilities * Designing and developing data warehouses (DWH) using Oracle and PL/SQL * Designing, implementing, and optimizing ETL/ELT processes * Creating reports and dashboards in Oracle OAS/APEX/BI * Preparing and updating technical documentation * Ensuring code quality and managing source code in GIT and CI/CD tools in Azure DevOps * Optimizing the performance of processes, queries, and PL/SQL procedures * Providing support and participating in IT projects Our Requirements * Very good knowledge of Oracle relational databases and PL/SQL * Experience in designing ETL/ELT processes (ODI, Apache Airflow) * Experience working with BI tools (Oracle APEX, OAS) * Practical knowledge of version control systems, GIT * Knowledge of data warehouse architecture and best practices in design * University degree * Problem-solving ability and analytical thinking * Ability to collaborate effectively within a team and with external clients * Independence in action and decision-making * Operational effectiveness * Business accountability * Commitment to continuous learning and openness to diverse perspectives * Innovation mindset Nice to Have * Knowledge of programming languages supporting data integration, e.g., Python * Familiarity with GIT / Liquibase * Knowledge of the energy industry * English language proficiency sufficient for working with technical documentation and communicating with Oracle technical support What We Offer * Competitive remuneration and stable employment * A diverse team of professionals * Work within a modern, international corporation * Opportunity to work alongside domain experts across various fields * Participation in large-scale, innovative projects * Access to modern tools and working methodologies * Benefits * Life insurance * Annual wellness initiatives * Sports card