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Senior C# Test Automation Engineer
  • Warsaw
Senior C# Test Automation Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
Sii Poland
13. 11. 2025
Informacje o stanowisku

Overview

Senior C# Test Automation Engineer at Sii Poland. We are looking for an Automation Tester who is passionate about software quality and eager to automate complex systems. You’ll work with web and WPF desktop applications, strengthen CI/CD pipelines with automation, and collaborate in an Agile team to deliver faster and safer releases. Location: Warsaw, Mazowieckie, Poland.

Responsibilities

  • Working in an Agile team with Continuous Delivery practices
  • Designing and implementing quality gates in CI/CD pipelines
  • Creating and maintaining automated test suites in C# for web and desktop (WPF) applications
  • Expanding test coverage as new features are introduced
  • Optimizing test execution time and reliability
  • Building and maintaining automation frameworks

Requirements

  • Having at least 5 years of experience in designing and implementing automated tests (UI, API, integration, end-to-end) in C#
  • Knowing software testing methodologies and best practices, and applying SQL in testing tasks
  • Using web automation tools such as Playwright, Selenium, or similar
  • Using desktop automation tools such as FlaUI, WinAppDriver, or similar, with fluency in WPF technology
  • Designing and maintaining automation frameworks
  • Speaking English and Polish fluently – min. B2 level
  • Residing in Poland required

Job details

Job no. 251008-XSS4A

Benefits

  • Great Place to Work
  • Solid financial situation
  • Contracts with the biggest brands
  • Centre of internal trainings
  • Many experts you can learn from
  • Open and accessible management team
  • Profit sharing
  • Passion Sponsorship program
  • Regular integration events and trips
  • Comfortable and well-equipped offices
  • MySii app
  • Medical care

Additional

  • Seniority level: Mid-Senior level
  • Employment type: Full-time
  • Job function: Quality Assurance
  • Industries: IT Services and IT Consulting

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