Senior ETL Engineer - Cloud Data Platform (AWS)

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

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

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

You will collaborate with software engineers, analysts, and QA to deliver high-quality solutions, focusing on AWS-based ETL pipelines, SQL Server optimization, and robust data modeling.

Qualifications

• Minimum 5 years of ETL development experience.
• Strong expertise in Microsoft SQL Server with 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 (Glue and Lambda).
• Proven ability to optimize stored procedures and debug data flows.
• Ability to enforce SQL coding standards and operational monitoring.
• Advanced level of English.

Responsibilities

• Contribute to cloud transformation by designing scalable architectures and modernizing components.
• Lead technological evolution via modern frameworks and architectural improvements.
• Expand analytics by developing advanced statistical methods and ML models.
• Collaborate with engineers and analysts to design and build data solutions.
• Ensure adherence to team design and coding procedures and standards.

Skills

SQL Server

SSIS

AWS Glue

AWS Lambda

Python

Data modeling

Query design

English (advanced)

Job description

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

You will collaborate with software engineers, analysts, and QA to deliver high-quality solutions, focusing on AWS-based ETL pipelines, SQL Server optimization, and robust data modeling.