Senior Data Engineer (f/m/x)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on building and maintaining efficient data pipelines using Microsoft Fabric, Synapse Analytics and Azure Data Factory. Responsibilities include developing notebooks and data flows, collaborating with data architects and client teams, and applying engineering best practices with CI/CD in Azure DevOps. Key requirements cover proficiency in Python, SQL, knowledge of lakehouse, data modeling, and expertise in security and GDPR compliance.

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Senior Data Engineer (f/m/x)

Company: Sii Sp. z o.o.

from: 27 July 2026
to: 26 August 2026
salary not specifiedB2B contract
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Białystok, CentrumJózefa Marjańskiego 3View on map

Requirements

Expected technologies

Data Factory
Python
SQL
Fabric

Optional technologies

Databricks
Microsoft Power Apps

Our requirements

  • Minimum 5 years of experience in data engineering or related fields
  • Deep expertise in Azure Data Factory, Synapse, and Microsoft Fabric
  • Strong command of Python and SQL for data processing and analysis
  • Experience with metadata frameworks and CI/CD using Azure DevOps or GitHub
  • Understanding of Azure networking and security fundamentals
  • Knowledge of data governance, GDPR, and data classification
  • Familiarity with lakehouse architecture, data warehousing, and data modeling
  • Fluent English and Polish
  • Residency in Poland

Optional

  • Experience with Power BI and DAX is desirable

Your responsibilities

  • Building and optimizing solutions using Microsoft Fabric and Synapse Analytics
  • Developing data pipelines, notebooks, and data flows
  • Collaborating with Data Architects and Senior Data Engineers
  • Working with customer-side engineering teams to ensure successful project delivery
  • Following engineering best practices, including CI/CD through Azure DevOps
  • Utilizing secure engineering approaches, including Key Vault and private endpoints
  • Participating in Agile ceremonies to enhance team collaboration
  • Documenting solutions and troubleshooting issues as they arise
  • Contributing to the Data Engineer Guild to share knowledge and best practices

About the project

We are looking for an experienced Senior Data Engineer to join our Data & AI team within the Centre of Excellence department. In this role, you will build and maintain reliable data pipelines, support data integration and transformation, and collaborate with senior engineers and architects on technical delivery. You will work remotely, contributing to impactful projects that convert raw data into usable assets for our customers and internal teams.

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
Company

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 (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
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