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Offer summary
(Summary generated by AI based on the full job description)
The project involves data and reporting migration from legacy systems to a modern platform built on Databricks and Microsoft Fabric focusing on data quality. Responsibilities include designing and automating data tests, pipeline validation, source-to-target reconciliation, creating regression and unit tests in CI/CD, and detecting schema changes. Required skills include Python, SQL, Azure DevOps, SQL Server and experience in testing data or ETL processes.
Senior Data Quality Engineer, SDET with Databricks and Microsoft Fabric
Company: DataArt Poland sp. z o.o.
from: 10 September 2026
to: 10 October 2026
22 000 - 26 300 złnet (+ VAT)/ mth.B2B contract (full-time)
18 000 - 21 500 złgross/ mth.contract of employment
Offer parameters
level:senior
working mode:remote • hybrid • full office
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
Python
SQL
Azure DevOps
Optional technologies
Azure DevOps
Our requirements
- 5+ years of experience in quality engineering, with meaningful recent experience testing data or ETL processes rather than applications.
- Strong Python and SQL skills, used for building test automation rather than only running it.
- Experience with pipeline validation, including row counts, control totals, referential integrity, and business rule assertions.
- Experience with source to target reconciliation using defined tolerances.
- Experience with test automation within CI/CD, including gates that block a release.
- Experience with Azure DevOps.
- Experience with SQL Server.
- English proficiency at a level suitable for direct client conversations.
Optional
- Experience with Azure Databricks or Microsoft Fabric.
- Experience with data quality frameworks, including Great Expectations, dbt tests, Databricks Expectations, DLT quality rules, Soda, or Deequ.
- Experience designing a test framework from scratch rather than extending an existing one.
- Experience testing semantic models and BI layers.
- Experience working in a regulated financial services environment.
- Experience with application test automation alongside data testing, including Selenium, C#, SpecFlow, or Playwright.
Your responsibilities
- Design and implement data testing and quality assurance frameworks.
- Build automated validation for data pipelines and data products.
- Own source to target reconciliation between legacy systems and the new platform.
- Build repeatable regression packs that run unattended.
- Write unit tests that execute automatically within CI/CD, with quality gates that can block a release.
- Detect and handle schema drift and unexpected structural changes.
- Validate reports, dashboards, and semantic models, including measure definitions, filter behaviour, and totals.
- Apply AI assisted techniques to test generation and coverage analysis, with human review.
About the project
The project migrates data and reporting from a legacy estate onto a modern platform built on Databricks and Microsoft Fabric. Quality engineering is central to the project. The business needs confidence that migrated data reconciles with the source, that pipelines behave as specified, and that reports produce consistent results.
This is how we organize our work
This is how we work
you focus on a single project at a timeyou focus on product developmentagile
Team members
1-10 people:backend developertechnical leaderdevOpsdata scientistautomated test programmer
This is how we work on a project
- Continuous Integration
- integration tests
- test automation
- unit tests
Development opportunities we offer
- mentoring
- technical knowledge exchange within the company
DataArt Poland sp. z o.o.
Our client is a UK financial services group operating in a highly regulated environment, currently rebuilding its data and analytics capability as part of a wider platform modernisation programme.
Senior Data Quality Engineer, SDET with Databricks and Microsoft Fabric
18k–21.5k zł / mth. (CoE), 22k–26.3k zł / mth. (B2B)
I apply to:
DataArt Poland sp. z o.o.
Warszawa, Masovian
Need more information?
- Make sure the body of the offer doesn’t already include what you’re looking for.
- Ask a question if you need more information you’re interested in.
- We’ll forward your question to the employer and aim to provide a response within 3 business days.