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Offer summary
(Summary generated by AI based on the full job description)
The project involves cloud transformation of a data-intensive analytical platform. Required expertise includes ETL development, Microsoft SQL Server, SSIS, AWS Glue, and AWS Lambda. Responsibilities include designing scalable architectures, modernizing legacy components, developing statistical and ML models, and collaborating with engineers and analysts. The role also involves enforcing coding standards and operational monitoring.
from: 29 July 2026
to: 28 August 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:hybrid • full office
Białystok, Centrum
Requirements
Expected technologies
SQL
AWS
AWS Glue
AWS Lambda
Optional technologies
Python
Our requirements
- 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
Optional
- 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
Your 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
About the project
We are looking for a Senior ETL Developer to join our team working on the cloud transformation of a data-intensive analytical platform. In this role, you will design scalable architectures, modernize legacy components, and ensure performance, reliability, and cost-efficiency in the cloud environment. You will collaborate closely with a team of software engineers, analysts, and quality engineers to deliver high-quality software solutions that meet business needs. If you are passionate about leveraging AWS technologies and optimizing ETL processes, this opportunity may be the right fit for you.
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Senior ETL Developer (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
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