Senior ETL Developer (f/m/x)

Sii Polska is recruiting for a Senior ETL Developer to work on the cloud transformation of a data-intensive analytical platform. The role involves designing scalable architectures, modernizing legacy components, and ensuring performance, reliability, and cost-efficiency in a cloud environment using AWS technologies.

• Minimum 5 years of experience in ETL development
• Strong expertise in Microsoft SQL Server, including advanced query design and relational data modeling
• Hands-on experience with SSIS for ETL pipeline design and optimization
• Practical experience building ETL processes in AWS, including AWS Glue and AWS Lambda functions
• Proven ability to optimize stored procedures and debug data flows across dependent components
• Ability to enforce best practices in SQL coding standards and operational monitoring
• Advanced level of English

Nice to have:

• Practical experience in the Healthcare IT domain
• Experience in developing highly available architectures in the cloud
• Strong knowledge of Microsoft Windows operating systems and development tools
• Knowledge of statistical modeling methods
• Hands-on experience with Python

• Contribute to the cloud transformation of a data-intensive analytical platform by designing scalable architectures and modernizing legacy components
• Lead continuous technological evolution by proposing and implementing modern frameworks and architectural improvements
• Expand analytical and predictive capabilities by developing and integrating advanced statistical methods and machine learning models
• Work closely with a team of software engineers and analysts to design and build software solutions that meet business needs
• Ensure adherence to team design and coding procedures and standards