Senior ETL Developer

People More is a technology company with a large client base in Poland and abroad, building projects from scratch (UX, UI, frontend, backend, mobile) or in part, and working directly with clients and partners worldwide. They emphasize respect for employees and a broad range of project opportunities.

• Minimum 5 years of experience with relational databases, specifically Oracle.
• Expertise in SSIS and .NET for custom SSIS component programming.
• Advanced PL/SQL programming and data modeling skills (normalization, indexing).
• Proven experience in performance analysis and execution plan optimization.
• Ability to translate algorithmic descriptions into production-ready software.
• Very good command of English and Polish languages.

• Design and implement ETL processes and transformations using SSIS.
• Develop Data Warehouse structures and Big Data solutions (including the Hadoop family).
• Monitor, analyze, and optimize ETL performance through query tuning and index management.
• Implement Data Quality patterns and data management methodologies.
• Handle data processing incidents and maintain comprehensive ETL documentation.