Cloud ETL Architect - AWS, SQL/SSIS, Profit Sharing

Sii Poland; Rzeszów; On-site; PLN 180,000 - 250,000; 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 is seeking a Senior ETL Developer to join our cloud transformation team working on a data-intensive analytics platform. You will design scalable architectures, modernize legacy components, and optimize ETL processes in AWS, with Glue and Lambda, ensuring performance and cost efficiency.

You will collaborate with software engineers, analysts and QA to deliver robust data solutions and enforce SQL best practices, stored procedures optimization and reliable data flows, while

Qualifications

• 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.

Responsibilities

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

Skills

ETL development

SQL query design

SSIS

AWS Glue

AWS Lambda

Data modeling

Stored procedure optimization

Data quality & monitoring

Tools

Microsoft SQL Server

SSIS (SQL Server Integration Services)

Python

Job description

Sii Poland is seeking a Senior ETL Developer to join our cloud transformation team working on a data-intensive analytics platform. You will design scalable architectures, modernize legacy components, and optimize ETL processes in AWS, with Glue and Lambda, ensuring performance and cost efficiency.

You will collaborate with software engineers, analysts and QA to deliver robust data solutions and enforce SQL best practices, stored procedures optimization and reliable data flows, while