Senior Test Automation Engineer (Mobile)

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together! We are looking for an experienced Senior Test Automation Engineer who will join a project for our client in the healthcare industry. What you will do: Convert manual test cases from the test management system into automated end-to-end tests for iOS and Android applications, following established automation framework standards.Drive the strategy for increasing automated test coverage to reduce manual regression testing efforts across the mobile application ecosystem.Identify and prioritize test cases with the highest automation value, ensuring automated coverage remains aligned with the evolving manual test suite.Maintain a reliable and trustworthy automation suite by investigating test failures, identifying flaky tests, reproducing defects, and providing detailed bug reports.Extend and improve shared automation framework components to support new test scenarios and increase overall test coverage.Collaborate with Product and Engineering teams to define acceptance criteria and improve application testability.Integrate, maintain, and optimize automated tests within CI/CD pipelines using GitHub Actions to support frequent and reliable releases.Advocate for quality and ensure applications meet the highest standards of reliability, safety, and user experience.Work closely with QA engineers and developers to promote best practices and foster a strong culture of quality. What are we looking for: 6-9 years of experience in Software Quality Assurance, including at least 3 years of hands-on mobile test automation experience.Strong experience with mobile automation tools and frameworks, including Appium, Espresso, UIAutomator2, XCUITest, TestNG, and JUnit.Proficiency in programming or scripting languages such as Java, Kotlin, Swift, or JavaScript.Experience with test management and collaboration tools including JIRA, Confluence, and TestRail, as well as version control systems such as GitHub.Exposure to backend and API testing using tools such as Postman, JMeter, Charles Proxy, or similar solutions.Solid understanding of Agile and Scrum methodologies.Strong communication skills with professional working proficiency in English.Experience using AI-powered tools to accelerate test automation while maintaining high standards of quality, reliability, and user safety.Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. Nice to have: Familiarity with security, privacy, or medical device regulations such as HIPAA or GDPR.Experience working in startup or high-growth product environments.Relevant certifications such as ISTQB, CASTP, or similar.Working knowledge of SQL and experience with database validation.Experience working within SAFe Agile environments.Hands-on experience with device-cloud platforms such as BrowserStack, Sauce Labs, or AWS Device Farm for parallel cross-device testing. Perks and benefits (our offer): Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.Global collaboration - work with a diverse, international team.Innovative environment - be part of a forward-thinking and growth-oriented workplace.Engaging community - work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.Team-building events including our company tradition (annual company event in Mazury). A pleasant surprise to start your journey with us in the form of a welcome pack.