Senior C# Test Automation Engineer

Sii Sp. z o.o.; Bydgoszcz; Hybrid; PLN 100,000 - 150,000; Full time

Job summary

A leading technology company in Poland is looking for an Automation Tester to enhance software quality. The successful candidate will work on automating testing for web and WPF desktop applications, collaborate in an Agile team, and design quality gates in CI/CD pipelines. A minimum of 5 years of experience in automated testing using C# is required, alongside fluency in English and Polish. The role offers a comfortable workplace and an attractive benefits package including private healthcare and more.

Benefits

Private healthcare

Benefits cafeteria platform

Car discounts

Investment in employee growth

Comfortable workplace solutions

Qualifications

• At least 5 years of experience in automated testing.
• Fluency in English and Polish at a B2 level or higher.
• Experience with both web and desktop automation tools.

Responsibilities

• Work in an Agile team with Continuous Delivery practices.
• Design and implement quality gates in CI/CD pipelines.
• Create and maintain automated test suites in C#.

Skills

Automated testing

C#

SQL

Fluent English

Fluent Polish

Playwright

Selenium

FlaUI

WinAppDriver

Job description

We are looking for an Automation Tester who is passionate about software quality and eager to take on the challenge of automating complex systems. You’ll work with both web and WPF desktop applications, strengthen CI/CD pipelines with automation, and collaborate in an Agile team to deliver faster and safer releases.

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

Offered

• 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