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Offer summary
(Summary generated by AI based on the full job description)
The project involves building a modern data platform within the Microsoft Azure ecosystem using Databricks, Python, and PySpark. Responsibilities include designing and optimizing ETL/ELT pipelines for batch and streaming data, integrating data from multiple sources such as Delta Tables and Azure Event Hub. AI tools are used to improve code quality and documentation. A minimum of 5 years' experience in Big Data and knowledge of Azure Data Factory are required.
from: 22 July 2026
to: 21 August 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Requirements
Expected technologies
Python
PySpark
Databricks
Azure Data Factory
Azure Event Hubs
Optional technologies
Analytical thinking
Elasticsearch
Our requirements
- At least 5 years of experience in a Data Engineer, Big Data Engineer, or similar role
- Strong hands-on experience with Python and PySpark
- Proven experience with Databricks, Delta Tables, and modern data architectures
- Practical knowledge of the Microsoft Azure ecosystem, including Azure Data Factory and Azure Event Hub
- Experience building and maintaining scalable ETL/ELT pipelines
- Advanced level of English
- Interest in modern technologies and experience using AI-assisted development tools in everyday work
Optional
- Familiarity with Elasticsearch
- Strong analytical skills and a proactive approach to solving complex data-related challenges
Your responsibilities
- Design and develop data solutions using Databricks, Python, and PySpark
- Build and optimize ETL/ELT pipelines for batch and streaming data processing
- Implement and maintain medallion architecture using Delta Tables
- Integrate data from multiple sources, including SFTP files, Delta Tables, and Azure Event Hub
- Work with Azure services such as Azure Data Factory to support end-to-end data workflows
- Utilize AI-powered development tools to improve code quality, testing, documentation, and productivity
About the project
We are looking for a Senior Big Data Developer to join our team in building a modern data platform using Databricks and the Microsoft Azure ecosystem. In this role, you will be responsible for designing and developing scalable data solutions, implementing and optimizing ETL/ELT pipelines, and integrating data from multiple sources. If you are passionate about modern data engineering, AI-assisted development, and creating impactful data solutions, don't hesitate to apply!
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 Data Engineer - financial industry (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
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