Senior QA Automation Engineer – Flutter (Mobile & Web)

Role Overview At Rehire, we are partnering with an international technology company specializing in cloud, data, and digital transformation in the search for a Senior QA Automation Engineer to join a cross-platform software development project. We are looking for an experienced QA Automation professional with strong expertise in Flutter, Dart, automated testing frameworks, and CI/CD integration, capable of designing, building, and scaling reliable testing solutions across mobile and web applications. The ideal candidate combines solid software engineering practices with hands-on automation experience, technical ownership, and the ability to improve existing testing frameworks while ensuring high-quality software releases. Key Responsibilities: - Design, develop, maintain, and scale automated testing frameworks for Flutter applications across iOS, Android, and Web. - Build automated testing solutions using Dart, flutter_test, integration_test, Patrol, Appium, or similar technologies. - Lead the technical transition of existing QA automation activities, documentation, and testing assets. - Audit and refactor legacy automation scripts, eliminating flaky, redundant, or unreliable tests. - Develop maintainable automated end-to-end, smoke, and regression testing suites. - Integrate automated test execution into CI/CD pipelines, including GitHub Actions, Cloud Build, or similar platforms. - Implement continuous testing processes to identify defects early in the development lifecycle. - Collaborate with developers to improve testability, validate user stories, and establish effective shift-left testing practices. - Configure and manage testing environments, emulators, simulators, and cloud device testing platforms. - Execute automated tests across multiple devices, operating systems, and browser environments. - Develop and maintain automated API tests to validate backend integrations and end-to-end workflows. - Monitor testing metrics, including execution times, test coverage, pass rates, and test flakiness. - Participate in code reviews and contribute to automation standards, clean code practices, and continuous improvement initiatives. - Collaborate with international engineering teams and stakeholders to ensure testing quality and release readiness. Requirements: - 5+ years of professional experience in Software Quality Engineering or Quality Assurance. - At least 3 years of hands-on experience in automated UI and API testing for mobile and web applications. - Strong experience developing test automation frameworks for Flutter applications. - Hands-on programming experience with Dart. - Experience with Flutter testing libraries such as flutter_test, integration_test, Flutter Driver, or similar frameworks. - Strong knowledge of automated end-to-end, functional, smoke, and regression testing. - Experience implementing and maintaining automated tests across iOS, Android, and Web. - Experience configuring automated testing within CI/CD pipelines. - Familiarity with GitHub Actions, Google Cloud Build, or equivalent CI/CD tools. - Experience working with cloud-based device testing environments such as Firebase Test Lab or similar platforms. - Strong knowledge of REST and GraphQL API testing and automation. - Experience creating mock services and validating backend integrations. - Proficiency with Git, code reviews, and collaborative software development workflows. - Knowledge of object-oriented programming and test automation design patterns, including Page Object Model (POM) and BDD. - Strong understanding of clean code principles and maintainable automation architecture. - Experience improving existing automation frameworks, refactoring legacy test suites, or taking ownership of established QA environments. - Strong analytical, troubleshooting, and problem-solving skills. - Excellent technical communication and collaboration skills. - Availability to work 100% onsite in Guadalajara, Mexico, five days per week. Nice to have: - Experience with Patrol, Appium, or other cross-platform mobile automation tools. - Familiarity with Playwright or Selenium for cross-browser testing of Flutter Web applications. - Experience with BrowserStack, Sauce Labs, or other cloud device testing platforms. - Knowledge of mobile application performance testing and optimization. - Experience profiling memory leaks, frame rates, and application performance in Flutter. - Experience building scalable continuous testing strategies for complex software products. - Familiarity with Agile development methodologies and shift-left quality engineering practices. About the Position: - Location: Mexico, Guadalajara. - Work Model: 100% Onsite. - Engagement Type: Contractor. - Contract Duration: 12 months. · Opportunity to work on international cloud security and AI-driven cybersecurity initiatives. · Collaboration with senior engineers, architects, and distributed technical teams. · Exposure to AI security agents, security automation, and modern cloud environments. If you meet the requirements and are interested in this exciting opportunity, apply at www.rehire.ar/jobs http://www.rehire.ar/jobs and send us your CV!