Location: Gdańsk / Gdynia / Warsaw (2 days per week in the office)TasksDesign, build and maintain scalable ELT pipelinesDevelop and optimize PLSQL queries and database objects for high‑performance data storage in OracleWrite Python‑based data engineering scripts to process dataImplement CI/CD pipelines for data infrastructure and workflow automationUnderstand and work with database change managementWork with one or more major cloud vendorsIntegrate and manage a modern data stackMonitor, debug and optimize data workflows and infrastructure performanceEnsure data quality, governance and compliance with good practicesRequirements10 years of experienceProficiency in designing OLAP systems and using techniques such as STAR schema or denormalizationStrong Python and PLSQL skillsExperience with ELT/ETL development using GUI‑based tools (e.g., IBM Datastage, ADF, Stitch, Matillion)Knowledge of Oracle, MSSQL and Snowflake databasesUnderstanding of DevOps and CI/CD, including Git, Docker, Kubernetes, Terraform, and tools such as Jenkins, Bamboo or Azure DevOpsExperience with test automation (Robot, Selenium) and understanding of different test scenariosStrong familiarity with version control techniques (Git, GitHub, GitLab)Experience with workflow orchestration tools (Airflow, Prefect)Knowledge of streaming and batch processing involving KafkaOfferMultisport cardPrivate healthcareAccess to an e‑learning platformGroup life insurance