Senior Test Engineer (automation & manual)B2B contractPay rate: 120 – 155 PLN net+VAT/hLocation: Warsaw (3 days onsite per week)Duration: 12 months (extension probable) Tasks: Design, plan, and execute automated and manual test cases (Java and Angular-based applications) Collaborate with developers, product owners, and internal customers to refine requirements, improve testability, and optimize overall application quality and performance. Develop and maintain test automation frameworks and CI/CD pipeline integrations (e.g., GitLab, Azure Cloud), supporting continuous testing and smooth deployment processes – in cooperation with DevOps Contribute to operational readiness by monitoring application health, coordinating changes, and continuously improving our testing and application management practices. Additional responsibility: Contribute to application administration - environment coordination, release support, incident analysis, application lifecycle improvements, monitoring  Requirements: 4+ year of experience in software testing, including test design, test execution, defect management, and test automation Experience in testing Java-based applications with JS/TS frontend (experience in testing Angular – nice to have) Experience in at least one of well known testing frameworks (e.g. Selenium, Cypress, Playwright, Robot) CI/CD, containers, Cloud awareness Fluent in English Nice to have: experience in application support, ISTQB, university degree Has right to run a business in Poland