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Billennium

Test Automation Engineer (.NET / C#)

Billennium Show all offers
Warszawa
Expires Sep 30, 2026
24 days ago

In short

Test Automation Engineer needed for a long-term project in Warsaw. Responsibilities include developing automated tests using C#, UI, API, and integration testing. Requires 2-4 years of experience, C#/.

NET, Selenium, API testing tools, Git, Azure DevOps, and Agile methodologies. Offers comprehensive benefits and flexible work options.

Keywords

C# .NET Selenium WebDriver API Testing RestSharp Postman SpecFlow SQL Git Azure DevOps

AI-written summary based on the listing content.

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!

We are looking for a Test Automation Engineer to join a long-term project for a global technology company.

What you will do:

Develop and maintain automated tests using C#Create and execute UI, API, and integration test scenarios

  • Collaborate with developers, Product Owners, and QA team members to ensure high product quality
  • Analyze test results, report defects, and support troubleshooting activities
  • Contribute to improving test automation coverage and quality processes
  • Support the integration of automated tests within CI/CD pipelines
  • Participate in code reviews and knowledge-sharing activities
  • Work in an Agile environment, actively contributing to team goalsWhat we are looking for:

Must have:2-4 years of experience in software testing and test automation

Good knowledge of C# and .

NET

  • Hands-on experience with Selenium WebDriver or similar test automation tools
  • Experience in API testing using RestSharp, Postman, or similar tools
  • Familiarity with SpecFlow or other BDD frameworks
  • Basic to intermediate knowledge of SQL
  • Experience working with Git and Azure DevOps
  • Understanding of CI/CD concepts and automated testing practices
  • Good understanding of Agile methodologies
  • English at B2 level or higherNice to have:

Experience with Playwright and C#Basic knowledge of performance testing

  • Exposure to Azure Cloud services
  • ISTQB certification
  • Knowledge of Docker
  • Perks and benefits (our offer):

Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.

Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.

Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.

Global collaboration - work with a diverse, international team.

Innovative environment - be part of a forward-thinking and growth-oriented workplace.

Engaging community - Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.

Team-building events including our company tradition (annual company event in Mazury).

A pleasant surprise to start your journey with us in the form of a welcome pack.
Published 2026-08-25
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