Senior ETL Engineer: Cloud Transformation, AWS & ML

Sii Poland; Wrocław; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Medical care

Centre of internal trainings

Profit sharing

Open and accessible management team

Job summary

Sii Poland is seeking a Senior ETL Developer to advance the cloud transformation of a data-intensive analytical platform. You will design scalable architectures, modernize legacy components, and ensure performance, reliability, and cost-efficiency in the cloud environment.

Collaboration with engineers, analysts, and QA is essential to deliver high-quality software solutions that meet business needs. This role emphasizes AWS technologies, ETL optimization, and building scalable data pipelines to

Qualifications

• Minimum 5 years of experience in ETL development.
• Strong expertise in Microsoft SQL Server with advanced query design.
• Hands-on experience with SSIS for ETL pipeline design.
• Experience building ETL processes in AWS (Glue and Lambda).
• Proficient in SQL coding standards and monitoring.
• Advanced English.

Responsibilities

• 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.
• Collaborate with software engineers and analysts to design and build software solutions that meet business needs.
• Ensure adherence to team design and coding procedures and standards.

Skills

ETL development

SQL design

Relational data modeling

English

Python

Tools

Microsoft SQL Server

SSIS

AWS Glue

AWS Lambda

Python

Job description

Sii Poland is seeking a Senior ETL Developer to advance the cloud transformation of a data-intensive analytical platform. You will design scalable architectures, modernize legacy components, and ensure performance, reliability, and cost-efficiency in the cloud environment.

Collaboration with engineers, analysts, and QA is essential to deliver high-quality software solutions that meet business needs. This role emphasizes AWS technologies, ETL optimization, and building scalable data pipelines to