C# Test Automation Engineer (f/m/x)
Sii Sp. z o.o.
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B2B
Hybrid
Mid
Senior
Warszawa
Gdańsk
Łódź
Expires Oct 3, 2026
16 days ago
In short
C# Test Automation Engineer wanted in Warsaw for Sii Sp. z o.o. Responsibilities include designing/implementing automated test scripts, executing non-functional tests, defect management, and framework maintenance. Requires 4+ years of .
NET test automation experience, full-stack testing, TDD/BDD knowledge, ISTQB, and GIT. Offers remote/hybrid work, benefits, and professional growth.
Keywords
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Technologies we use
About the project
Your responsibilities
- Designing and implementing automated performance test scripts
- Executing non-functional tests and analyzing test results
- Identifying, reporting, verifying, and debugging defects
- Reviewing requirements and technical designs from a testing perspective
- Maintaining, improving, and extending test automation frameworks
- Managing and preparing test data with an understanding of data dependencies
- Recommending actions based on test outcomes and quality metrics
- Collaborating with the agile Scrum team to ensure delivery quality
- Supporting continuous integration processes for automated tests
- Participating in risk mitigation, impediment resolution, and test-related communication
Our requirements
- Minimum 4 years of experience in test automation, specifically with .NET stacks
- Full-stack test automation experience (front-end - GUI, mobile), middleware (API/web services) and back-end (databases)
- Experience executing test automation across different environments and different test levels
- Methodology and industry best-practice test automation knowledge: TDD, BDD, Page Object Model, etc.
- ISTQB foundation-level knowledge (certified or planning for certification within 3 months of joining)
- GIT version control experience
- Fluent in written and spoken Polish and English (work in an international environment)
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
| Published | 2026-09-03 |
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