October 6, 2026
Software Quality Automation Engineer (C#)
Mid • On-site
162,000 - 216,000 PLN/yr
Sopot, Poland
Quick Facts
- Develop and maintain automated API and end-to-end (E2E) tests
- Expand a C#/.NET QA automation framework and integrate tests with CI/CD
- ~20–30% manual verification of new functionality
- Hybrid work model (office in Sopot), full-time; employment via UoP or B2B
Description
You will build and evolve automated API tests and end-to-end tests using Selenium or Playwright, collaborating with developers to implement and validate new functionality. You will analyze failures, report test results, and maintain test environment stability while improving the C#/.NET test framework and integrating it into CI/CD pipelines. The role also includes test/technical documentation, process improvements, some manual testing, and code reviews to enhance test code quality.
Responsibilities
- Create and develop automated API tests and E2E tests (Selenium or Playwright)
- Work with the development team to implement and verify new features
- Analyze defects, report test outcomes, and ensure the stability of the test environment
- Develop and extend the C#/.NET test framework
- Integrate tests into CI/CD processes
- Prepare QA and technical documentation; improve QA processes
- Conduct manual verification of new functionality (about 20–30% of your time)
- Participate in code reviews with a real impact on the quality of test code
Requirements
- Minimum 2 years of test automation experience with C#/.NET
- Strong knowledge of test frameworks/libraries: NUnit, xUnit, or MSTest
- Experience with API testing (e.g., RestSharp, HttpClient, Postman)
- Commercial experience with Selenium or Playwright
- Experience with CI/CD tools such as GitLab CI/CD, GitHub Actions, or Jenkins
- Daily experience with Git, Jira, and Docker
- Solid OOP fundamentals including SOLID and DRY
- Communication in Polish and English
- Ability to independently organize work and maintain high quality
Benefits
- Hybrid work (office in Sopot)
- Employment type: UoP or B2B
- UoP salary: 13,500–18,000 PLN gross
- B2B rate: 100–130 PLN/h net + VAT
- 26 days of paid service suspension (B2B)
- Tools and equipment from day one; employee referral program
- Training budget; free English lessons
- Knowledge sharing with cybersecurity/backup/SaaS experts; work on globally developed projects
- Private medical care (Luxmed) and Multisport co-financing
- “Day on U” paid extra leave for health prevention; life insurance co-financing
- Welcome pack; annual Xoperosy gala; integration events; holiday gifts; childcare starter kit
Similar jobs you might like

Software Quality Automation Engineer (C#)
Xopero Software
Mid
Technology
Sopot, Poland · On-site
162K zł - 216K zł/yr
5h ago

Senior/Lead Automation Quality Engineer
Experis Manpower Group
Senior
Technology
Wrocław, DS, Poland · Remote
0K zł - 0K zł/yr
16 days ago
Automation QA Engineer (AQA)
IBA Poland
Mid
Technology
Wrocław, Poland · Remote
N/A
6 days ago

QA Automation Engineer
Neontri
Senior
Technology
Warsaw, Poland · On-site
$1K - $2K/yr
15 days ago

QA Automation Engineer
ALTEN Polska
Mid
Technology
Warsaw, Poland · On-site
N/A
12 days ago

Senior Automation Test Engineer
Infolet
Senior
Technology
Kraków, Poland · On-site
17K zł - 19K zł/yr
1 days ago

QA Automation Engineer (Test Automation)
ITLT
Mid
Technology
Warsaw, Poland · On-site
27789K zł - 32999K zł/yr
3 days ago
Automation Tester/QA (Java + Javascript)
SCALO
Senior
Technology
Katowice, Pl-24, Poland · Remote
39936K zł - 48922K zł/yr
17 days ago

Tester Automatyzujący / Testerka Automatyzująca
ASTEK Polska
Mid
Technology
Gdańsk, PG, Poland · On-site
1K zł - 1K zł/yr
16 days ago
Senior/Lead Test Automation Engineer – Java / Selenium / Playwright
Upvanta sp. z o.o.
Senior
Technology
Warsaw, Poland · Remote
N/A
13 days ago
Unlock Full Resume Report
ATS Pass
Missing keywords
Tailored AI suggestions
Job match analysis
Interview-focused insights