Senior QA Automation Engineer

Employer: International cassino games studio Location: Office-based position in central Warsaw Salary: 5 000 - 6 650 EUR on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online interviews   Technology stack: Typescript, Javascript, Cypress or Selenium or Playwright, WebSocket   Your role is to: -> Write and maintain automated tests across UI, API, and end-to-end flows;  -> Build reliable test pipelines and keep them running cleanly within CI/CD;  -> Dig into test failures and get to the root cause — not just mark them as flaky and move on; -> Work with developers to understand how features are built and test them properly;  -> Cover API flows thoroughly including chained requests, contracts, and WebSocket behavior; -> Run performance and load tests on critical platform areas and flag what needs fixing; -> Keep test coverage healthy and proactively fill gaps as the product evolves;   Your skills and experiences: -> 5+ years of QA automation experience with real, hands-on work to show for it; -> Strong with Playwright, Cypress, or Selenium — you've built with them, not just maintained them;  -> Solid TypeScript and JavaScript skills, writing code that's clean and easy to maintain; -> Comfortable owning CI/CD test pipelines end to end; -> Good API testing experience including contract and WebSocket testing; -> Familiar with load testing tools like k6, Gatling, or JMeter; -> Fluent with Git and working within agile teams; -> You work independently and take ownership of your output; -> You care about quality and it shows in your work; -> You communicate clearly and flag issues before they become problems; -> You're collaborative — you work well with developers and product alike; -> Fluent English - at least B2+ level;