Test Automation Engineer

Expected, C#, .NET, JavaScript, TypeScript, xUnit, NUnit, Vitest/, Jest, Azure DevOps, GitHub Actions, SQL, Microsoft SQL Server, Git

Optional, Playwright, Selenium

Operating system, Windows

This is how we work, agile, scrum

Your responsibilities, Own and evolve automated testing processes for the application portfolio—frameworks, standards, tools, and best practices., Design and implement test strategies across unit, API, integration, and E2E layers., Develop and maintain E2E automation in Playwright for React applications, backend integration/unit tests in xUnit (.NET), and frontend unit tests in Vitest/Jest., Integrate automated tests into CI/CD pipelines (Azure DevOps)—PR checks, nightly runs, pre-release gates, and post-deploy validation with parallel/sharded execution., Promote best practices in testing: testability, coverage strategy, meaningful assertions, test data management, and clean test code., Validate data flows across Azure SQL, ODS, and DWH layers; design data-driven scenarios and manage test data., Drive root-cause analysis, flaky test management, and reliability improvements; publish quality metrics and test artifacts for stakeholders., Collaborate with developers on acceptance criteria and test coverage; review test code in PRs and mentor on testability., Support UAT coordination—prepare environments, verify business scenarios, and document results.

5+ years of commercial experience in test automation with hands-on framework development., Strong C#/.NET skills—ability to write, debug, and review production-grade code, not just test harnesses., Proficient in JavaScript/TypeScript for test automation., Expertise in Playwright (or Selenium with a willingness to transition to Playwright)., Practical experience with xUnit/NUnit and Vitest/Jest—unit and integration test design., CI/CD integration with Azure DevOps (or GitHub Actions)., SQL (MSSQL/Azure SQL)—test data setup, validation of transformations, and diagnostic queries., REST API testing—contract validation, status codes, and authentication flows (JWT/OAuth/Azure AD)., Highly autonomous—ability to own the automation roadmap end-to-end and set standards for the team., Strong Git practices, code review discipline, and clean test code standards., Fluent English (B2+) for technical communication.

What we offer, We offer a full-time employment contract, Location –Krakow; work model – hybrid, Stable and long-term cooperation, Well-defined career path at the European leader in engineering & IT consulting, Opportunity to relocate and work in different ALTEN Polska branches, After completion of the project, opportunity to engage in a subsequent one within the company, Introduction and cooperation with dedicated Competences Manager, We also offer cooperation based on a B2B or Contract of mandate (UZ)., We also guarantee:, Access to professional certifications with our technology partners (e.g. Google, ISTQB), Access to relevant industry events, Access to the Knowledge Sharing Program, Access to Referral program

This is how we work on a project, TDD, Continuous Deployment, Continuous Integration, DevOps, team-level deployment, documentation, issue tracking tools, integration tests, test automation, testing environments, unit tests

Benefits, life insurance, retirement pension plan, baby layette, employee referral program, Medicover medical care , Medicover dental care , Medicover Benefits platform , Medicover Sport card

NOTICE: We kindly inform you that we will contact the selected candidates.

ALTEN Polska, WHO ARE WE?, , WE ARE A WORLD LEADER IN ENGINEERING AND IT SERVICES., , At ALTEN, we see our specialists as architects – today’s designers of tomorrow’s world., As a leader in Engineering and IT Services, we support companies in their technological and sustainable transformation., , OVER 57,400 EMPLOYEES IN 30+ COUNTRIES, TO SUPPORT MORE THAN 6,500 CLIENTS WORLDWIDE., , We operate in all sectors: Aeronautics, Space, Defence, Security & Naval, Automotive, Rail & Mobility, Energy & Environment, Life Sciences & Health, Industrial Equipment & Electronics, Telecoms, Banking, Finance & Insurance, Retail, Services & Medias, Public Services & Government., , We carry out complex and highly technical projects throughout the value chain of the most prestigious companies worldwide., , Our motto: Building Tomorrow’s World Today!