Job Description
As a Senior/Expert Test Automation Engineer, you will own and scale automated test suites for a C# /.NET 8 solution. You will work on UI automation using Playwright and the Page Object Model, as well as API automation using HttpClient or RestSharp, including JSON validation and schema checks.
Key responsibilities
Own and maintain automated test suites in a C# /.NET 8 solution
Implement UI automation using Playwright and the Page Object Model
Implement API automation using HttpClient / RestSharp with JSON validation and schema checks
Design test architecture with reusable helpers, stable selectors and retry/backoff mechanisms to reduce flakiness
Conduct failure diagnostics and debugging to improve stability and reliability
Ideal candidate profile
5+ years of experience in test automation on .NET stacks
Strong C# skills, including modern language features, and experience with .NET 8 test code
Experience with CI/CD automation (Bitbucket/Bamboo)
Fluent use of Git, code review practices and maintaining test pipelines
Experience with test frameworks such as NUnit and relevant test runners
Fluent English, both spoken and written
Experience working in agile engineering teams focused on high levels of automation (nice to have)
Conditions
B2B contract with an hourly rate of 100–130 PLN net
Hybrid work model: 3 days per week on site
Private medical care
Life insurance
Multisport card
Recruitment steps
Initial phone call with a recruiter (20–30 minutes)
Technical verification call with the client
Interview with the client
Final feedback and decision
Key responsibilities
Own and maintain automated test suites in a C# /.NET 8 solution
Implement UI automation using Playwright and the Page Object Model
Implement API automation using HttpClient / RestSharp with JSON validation and schema checks
Design test architecture with reusable helpers, stable selectors and retry/backoff mechanisms to reduce flakiness
Conduct failure diagnostics and debugging to improve stability and reliability
Ideal candidate profile
5+ years of experience in test automation on .NET stacks
Strong C# skills, including modern language features, and experience with .NET 8 test code
Experience with CI/CD automation (Bitbucket/Bamboo)
Fluent use of Git, code review practices and maintaining test pipelines
Experience with test frameworks such as NUnit and relevant test runners
Fluent English, both spoken and written
Experience working in agile engineering teams focused on high levels of automation (nice to have)
Conditions
B2B contract with an hourly rate of 100–130 PLN net
Hybrid work model: 3 days per week on site
Private medical care
Life insurance
Multisport card
Recruitment steps
Initial phone call with a recruiter (20–30 minutes)
Technical verification call with the client
Interview with the client
Final feedback and decision
Skills & Requirements
About KUBO
As KUBO, we are an award-winning provider of HR, software, and engineering services. Our mission is to support technology-driven industry leaders with staffing, recruitment, team leasing, and managed services. With offices in Toruń, Gdańsk, and Gothenburg, we serve as an international vendor providing local expertise. Since our establishment in 2014, our continuous growth has been driven by a team of over 150 professionals, guided by a distinctive feedback culture. We hold ISO 27001 and 9001 certifications and are actively expanding our partnerships with major cloud providers.
Industry: IT Services and IT Consulting