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May 21, 2026

Senior Test Automation Engineer – API and UI Testing Expert

Senior • On-site

20,160 - 21,840 PLN

Warsaw, Poland

Empower quality at the forefront — lead the charge in advanced test automation!

Warszawa-based opportunity with on-site work model.

As a Senior Test Automation Engineer, you will be working for our client, a leader in software development dedicated to delivering high-quality solutions. You will play a pivotal role in designing and maintaining robust automated testing frameworks, ensuring the delivery of reliable, defect-free software. This is your chance to drive innovation in quality assurance and elevate your career in a dynamic, collaborative environment.

Your main responsibilities:

  • Design, implement, and maintain automated tests for UI, API, regression, and integration, boosting testing efficiency and coverage.
  • Develop and optimize automation frameworks in accordance with best practices, ensuring scalability and reliability.
  • Integrate automated tests into CI/CD pipelines to support continuous delivery and monitor stability.
  • Analyze automated test results, report defects, and collaborate with development and DevOps teams for prompt resolution.
  • Create and execute manual, functional, and exploratory tests to validate new features and changes each sprint.
  • Participate actively in Scrum ceremonies, contributing to sprint planning, reviews, and retrospectives to promote quality from inception through delivery.
  • Collaborate with the team to define quality standards, risk mitigation strategies, and ensure adherence to Definition of Done and Ready criteria.

You're ideal for this role if you have:

  • At least 5 years of experience as a QA or Test Automation Engineer.
  • Hands-on experience with Java programming language.
  • Proven experience with automation frameworks such as Playwright, Selenium, RestAssured, or Postman/Newman.
  • Familiarity with CI/CD tools like GitLab CI, GitHub Actions, Azure DevOps, or Jenkins.
  • Ability to design test cases and work with test management tools like Jira combined with Xray or Zephyr.
  • Solid understanding of testing techniques aligned with ISTQB Foundation principles.
  • Good command of Git.

It is a strong plus if you have: (optional)

  • Knowledge of additional programming languages: Python, C#, JavaScript/TypeScript.
  • Experience in performance testing.
  • Familiarity with Docker/Kubernetes and test environment containerization.
  • Knowledge of cloud testing platforms (Azure, AWS, GCP).
  • Experience with shift-left testing strategies, contract testing, or BDD (e.g., Cucumber).

Language Required for the role:

  • Fluent in Polish and English.

Eligibility for the role:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER
Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.