Role Overview

At Rehire, we are partnering with an international technology company specializing in digital transformation and software solutions in the search for a Senior Manual QA Engineer to join a cross-platform application development project.

We are looking for an experienced QA professional with strong expertise in manual testing, Flutter applications, and mobile/web quality assurance, capable of taking ownership of testing processes, identifying coverage gaps, and ensuring high-quality software releases.

The adecuado candidate combines hands-on testing experience with strong analytical skills, attention to detail, and the ability to establish reliable QA processes across iOS, Android, and Web environments.

Key Responsibilities:

- Lead the transition and takeover of QA activities, documentation, and test cases from an existing vendor team.

- Design, maintain, and execute comprehensive manual test plans and test scenarios for Flutter applications.

- Perform functional, regression, exploratory, usability, and end-to-end testing across iOS, Android, and Web.

- Identify gaps in existing test coverage and implement improvements based on application risks and business priorities.

- Conduct cross-browser and multi-device testing using physical devices, emulators, and simulators.

- Identify, document, prioritize, and track defects using issue-tracking tools such as Jira or Buganizer.

- Provide detailed bug reports, including reproduction steps, logs, screenshots, and relevant technical information.

- Collaborate with developers and UX designers to clarify requirements, define acceptance criteria, and validate functionality.





- Establish standardized testing procedures, reusable test datasets, and structured regression suites.

- Support release validation and ensure critical defects are identified before production deployments.

- Participate in Agile ceremonies and contribute to continuous improvements in QA processes.

- Ensure testing activities remain aligned with development timelines and quality standards.

Requirements:

- 4+ years of professional experience in Software Quality Assurance, primarily focused on mobile and web applications.

- Hands-on experience performing manual testing of Flutter applications across iOS, Android, and Web.

- Strong understanding of Flutter-specific behaviors, widget states, layouts, and platform differences.

- Experience designing and executing test cases, test plans, and regression testing suites.

- Strong experience with functional, exploratory, usability, and cross-platform testing.

- Hands-on experience testing applications on physical iOS and Android devices.

- Experience working with emulators, simulators, and multiple web browsers, including Chrome, Safari, Firefox, and Edge.

- Familiarity with API testing tools such as Postman, Bruno, or curl.





- Experience using mobile debugging tools such as Android Studio, Xcode, or Flutter DevTools.

- Familiarity with browser developer tools and debugging consoles.

- Experience managing defects through tools such as Jira, Buganizer, or similar platforms.

- Experience taking ownership of QA activities in existing projects, including legacy environments or vendor transitions.

- Strong knowledge of Agile/Scrum methodologies, SDLC, STLC, and shift-left testing practices.

- Excellent analytical, troubleshooting, and problem-solving skills.

- Strong technical communication and documentation skills.

- Availability to work 100% onsite in Guadalajara, Mexico, five days per week.

Nice to have:

- Knowledge of accessibility testing (a11y) standards.

- Familiarity with internationalization (i18n) testing.

- Basic understanding of Dart to support debugging and root-cause analysis.

- Experience improving QA processes and test coverage in complex software environments.

- Familiarity with risk-based testing strategies and release quality metrics.

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 and send us your CV!

📌 Senior Manual QA Engineer – Flutter (Mobile & Web) (Guadalajara)
🏢 Rehire
📍 Guadalajara