Good understanding of modern web application mechanics (HTTP, API, browser functionality) Experience in conducting functional tests Ability to write automated E2E or API tests in any language Good judgment regarding test detail level and report creation Ability to write simple SQL queries Ownership, independence, and responsibility for assigned tasks Teamwork and good task prioritization skills Fluent Polish language skills English language skills for reading documentation Practical knowledge of Playwright (preferred) Knowledge of any programming language (preferred) Experience in development teams (over 5 people) (preferred) Commercial experience in developing extensive automated test suites (API and end-to-end) (preferred) Knowledge of medical, insurance, or assistance industry (preferred) Practical knowledge of Git version control system (preferred) ISTQB certification (preferred)