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Senior QA Automation Engineer – Flutter (Mobile & Web)

Rehire

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.

Responsibilities

  • Design, develop, maintain, and scale automated testing frameworks for

Flutter applications across iOS, Android, and Web

  • 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

  • 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.
  • 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
  • for cross-browser testing of Flutter Web applications.
  • 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.
  • Mexico, Guadalajara.

Benefits

  • Collaboration with senior engineers, architects, and distributed technical teams.

Experience with

Patrol, Appium, or other cross-platform mobile automation tools

Familiarity with

Playwright or Selenium

Work Model

100% Onsite.

Engagement Type

Contractor.

Contract Duration

  • 12 months.
  • Opportunity to work on international cloud security and AI-driven cybersecurity initiatives.
  • 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 and send us your CV!