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Senior Test Automation Engineer(Java/JS) [M/F]

StackmineWarszawa, Poland

About this role

Senior Test Automation Engineer(Java/JS) [M/F] Stackmine Daily tasks: - Design, develop, and maintain automated test frameworks for web, API, and mobile applications. - Plan and execute integration, system, E2E, and UAT testing. - Collaborate closely with developers to ensure product quality and stability. - Perform code reviews and continuously improve testing processes. - Integrate testing into CI/CD pipelines and support quality automation initiatives.

- Execute performance testing and analyze test results. - Mentor team members and promote testing best practices. - Evaluate and introduce new testing tools and technologies. Musts: Java 5+ years of experience in software test automation. Strong knowledge of Java and/or JavaScript. Experience with integration, system, E2E, and UAT testing. Hands-on experience building and maintaining test automation frameworks. Solid understanding of the Software Development Life Cycle (SDLC).

Experience with code reviews and CI/CD pipelines. Strong API testing skills using Postman and REST Assured. Proficiency with Git and Jira (Xray is a plus). Experience with Selenium/Selenide, Cypress, TestNG/JUnit, Cucumber, and Appium. Experience with performance testing using Gatling (preferred) or JMeter. Knowledge of software design principles (SOLID, KISS, OOP).

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