Senior Test Automation Engineer with C# (f/m/x)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on automated testing of desktop applications and APIs using C#, NUnit, FlaUI. Key responsibilities include developing and maintaining an automated testing framework, performing API tests, implementing CI/CD with Azure DevOps or Jenkins, and analyzing test results. It requires at least 5 years of experience in C# test automation and strong API testing knowledge, with a plus for experience in regulated environments. The offer includes attractive benefits such as healthcare and training budget.

new

Senior Test Automation Engineer with C# (f/m/x)

Company: Sii Sp. z o.o.

from: 1 September 2026
to: 1 October 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:hybrid • full office
Wrocław, Fabryczna
Wrocław, FabrycznaNa Ostatnim Groszu 3View on map

Requirements

Expected technologies

C#
NUnit Testing Framework
Desktop Applications
API

Optional technologies

AI
Visual Testing
Xray for Jira
Jira

Our requirements

  • Minimum 5 years of experience in test automation with a strong focus on C#
  • Deep expertise in using the NUnit Testing Framework for automation
  • Practical experience in testing desktop applications, particularly with FlaUI
  • Solid understanding of API testing methodologies
  • Experience with CI/CD tools such as Azure DevOps or Jenkins
  • Advanced level of Polish and English

Optional

  • Experience with AI tools in software development and testing
  • Familiarity with task and test management tools like JIRA and Xray
  • Knowledge of visual testing techniques
  • Experience in regulated environments, particularly in the medical industry
  • Familiarity with IEC 62304 standards for medical software lifecycle

Your responsibilities

  • Setting up the testing framework for automated tests
  • Developing and maintaining automated tests for desktop applications using C#
  • Creating and executing API tests to ensure functionality and performance
  • Collaborating with team members to define testing strategies and best practices
  • Implementing CI/CD processes to streamline testing and deployment
  • Analyzing test results and providing feedback to improve software quality
  • Documenting test cases and maintaining technical documentation

About the project

We are looking for an experienced Senior Test Automation Engineer specializing in C# to join our team in Wroclaw. In this role, you will be responsible for setting up the testing framework and developing and maintaining automated tests for desktop applications and APIs. If you are passionate about quality assurance and automation, this opportunity may be the right fit for you.

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
Company

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

Recruitment stages

  • 1.
    Send your CV
  • 2.
    Talk to us about your expectations
  • 3.
    Learn more about our projects and choose the best
  • 4.
    Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work

Senior Test Automation Engineer with C# (f/m/x)
I apply to:
Sii Sp. z o.o.
Wrocław, Fabryczna
Pracodawca zbiera zgłoszenia przez swój system.
Przejdziesz na zewnętrzny formularz.

By clicking "Aplikuj" you confirm that you've read and accepted our Terms and Conditions.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
  • We’ll forward your question to the employer and aim to provide a response within 3 business days.

Share this offer