Senior QA Engineer

Comfrt•Miami, FL

1d•Remote

About The Position

As our Senior QA Engineer, you are responsible for ensuring the quality, reliability, and usability of Comfrt's mobile app portfolio and its supporting backend services. Our apps span wellness experiences (including gamified features like streaks, challenges, and rewards) as well as Shopify-powered eCommerce. You will split your time between manual testing of app functionality and building and maintaining automated tests to streamline QA coverage and regression protection. You will work closely with engineering, product, and design teams to test new features, identify edge cases, and validate that changes perform well across iOS and Android devices and through the full customer experience.

Requirements

5-7 years of experience in Quality Assurance or Software Testing within a mobile or digital product environment
Hands-on experience with mobile test automation frameworks such as Maestro, Detox, or Appium
Solid understanding of manual testing methodologies, test case design, and bug tracking
Experience testing React Native applications on iOS and Android
Experience writing and executing API tests, including REST and GraphQL, using TypeScript
Proficiency in TypeScript
Familiarity with Git and collaborative version control workflows
Experience using AI tools to accelerate test development, exploratory testing, and QA workflows
Strong attention to detail with the ability to think critically about edge cases and user flows
Excellent communication skills and ability to work cross-functionally with engineering, product, and design teams
Experience with mobile accessibility testing, including manual testing with VoiceOver and TalkBack and auditing with platform tools such as Xcode Accessibility Inspector and Android Accessibility Scanner
Experience with bug tracking and project management tools

Nice To Haves

Experience testing against serverless, cloud-native backend architectures
Experience testing Shopify-powered mobile or eCommerce experiences
Experience testing gamified product features such as streaks, progression systems, animations, or reward logic
Familiarity with CI/CD pipelines and integrating automated tests into deployment workflows
Experience with cloud-based device testing platforms
Familiarity with load or performance testing tools
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience

Responsibilities

Own and execute end-to-end manual testing of new features, content updates, and integrations across the mobile app
Design, develop, and maintain automated UI test scripts using mobile automation tooling
Create detailed test plans, test cases, and acceptance criteria based on product specs
Perform cross-platform testing across iOS and Android to ensure consistent behavior and UX
Validate accessibility compliance against WCAG 2.2 AA standards on iOS and Android, including testing with native screen readers (VoiceOver, TalkBack)
Write and execute API tests against our serverless backend, including REST and GraphQL endpoints
Proactively identify, document, and track bugs and edge cases through to resolution
Collaborate with developers to understand how features are built and how best to test them
Maintain testing coverage for high-impact user journeys across all apps, including wellness flows, gamification mechanics (streaks, rewards, challenges), and eCommerce flows such as cart, checkout, and post-purchase
Own and improve regression test processes for every release cycle
Contribute to QA documentation, reporting, and test environment management