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About the Role

SunCore Digital is seeking a Mobile QA Engineer, Flutter to own hands-on testing of our Flutter-based mobile applications across supported Android and iOS devices. This role will focus on mobile functionality, device compatibility, application lifecycle behavior, API integration, synchronization, connectivity, and mobile regression testing. You will work under the direction of the Senior QA Engineer / Quality Lead and collaborate closely with mobile developers, backend engineers, the Web and Backend QA Engineer, UI/UX, and platform engineering.

Responsibilities

Test Flutter applications across supported Android and iOS versions.
Validate functionality on physical devices, emulators, simulators, and device-cloud services.
Perform functional, exploratory, regression, integration, and end-to-end mobile testing.
Test navigation, forms, notifications, permissions, authentication, data display, and user workflows.
Validate behavior across different screen sizes, orientations, resolutions, and device capabilities.
Identify device-specific and operating-system-specific defects.
Verify release and debug builds.
Test application startup, shutdown, backgrounding, resuming, and termination.
Validate behavior after device restart, application update, or application reinstall.
Test session expiration and token refresh.
Validate deep links, push notifications, and operating-system permissions.
Test storage access, camera access, location access, file handling, or other device features.
Confirm that sensitive information is not exposed through logs, notifications, screenshots, or local storage.
Validate battery, memory, and general responsiveness concerns.
Test mobile behavior under strong, weak, intermittent, and unavailable network conditions.
Validate retries, timeouts, duplicate submissions, and interrupted workflows.
Test synchronization between the mobile application and backend services.
Confirm that delayed or repeated requests do not create duplicate or inconsistent records.
Validate conflict handling when the same data is changed from multiple locations.
Test recovery after network restoration.
Confirm that errors are visible and actionable.
Validate mobile API requests and responses.
Confirm compatibility when APIs or backend behavior change.
Work with mobile and backend developers to identify contract mismatches.
Test authentication, authorization, data isolation, and permission behavior from the mobile client.
Confirm that client-side restrictions are also enforced by backend services.
Coordinate with the Web and Backend QA Engineer on shared services and data.
Verify that web and mobile display consistent information when they use the same source data.
Create and maintain the mobile regression suite.
Maintain a supported-device and operating-system coverage matrix.
Perform release-candidate smoke and regression testing.
Validate installation, update, configuration, and launch behavior.
Test critical mobile workflows before internal distribution or public release.
Record which devices, operating systems, and application versions were tested.
Report known compatibility gaps and untested combinations.
Support app-store readiness and release validation.
Evaluate and implement appropriate Flutter and mobile automation.
Develop and maintain selected high-value mobile automated tests.
Use Flutter testing capabilities and tools such as Appium, Patrol, Maestro, or equivalent.
Work with mobile developers on widget, integration, and end-to-end testing.
Integrate mobile tests into CI/CD.
Investigate mobile automation failures and identify flaky tests.
Recommend which mobile workflows should remain manual.
Report mobile defects with device model, operating-system version, application version, network condition, reproduction steps, expected behavior, actual behavior, and screenshots/recordings/logs.
Distinguish application defects from device, operating-system, environment, or backend failures.
Validate mobile fixes and related regressions.
Escalate crashes, data loss, permission failures, security concerns, and blocked critical workflows.
Monitor recurring mobile defect patterns.
Review mobile requirements and acceptance criteria.
Work directly with mobile developers to improve testability and diagnostics.
Coordinate with the Web and Backend QA Engineer on shared workflows and APIs.
Work with UI/UX on mobile interaction, responsiveness, accessibility, and design consistency.
Work with platform and DevOps engineers on mobile build and test execution.
Communicate quality status, device coverage, and blockers to the Senior QA.

Requirements

At least three years of professional mobile QA or software-testing experience.
Hands-on experience testing Flutter applications.
Experience testing both Android and iOS applications.
Strong knowledge of mobile functional, exploratory, regression, and integration testing.
Experience testing across multiple devices, operating-system versions, and screen sizes.
Experience testing mobile API integration and data synchronization.
Experience testing under weak or intermittent network conditions.
Experience documenting device-specific and reproducible defects.
Familiarity with mobile logs, debugging tools, and network inspection.
Experience maintaining a mobile device and operating-system coverage matrix.
Strong written communication and documentation.
Ability to work closely with mobile and backend engineers.
Experience testing financial, transactional, or digital-asset mobile applications.
Familiarity with KYC, AML, identity-verification, or other sensitive mobile workflows.
Experience with device-cloud testing platforms or physical-device labs.
Experience testing AI-assisted features, mobile analytics, or behavioral analytics.
Experience working in a remote, asynchronous startup environment.

Skills

Flutter
Mobile QA
Software Testing
Android
iOS
Functional Testing
Exploratory Testing
Regression Testing
Integration Testing
API Testing
Data Synchronization
Network Condition Testing
Defect Documentation
Mobile Logs
Debugging Tools
Network Inspection
Device Coverage Matrix
Written Communication
Documentation
Appium
Patrol
Maestro
Firebase Test Lab
BrowserStack
Sauce Labs
Android Studio
Xcode
Push Notifications
Deep Links
Permissions
Background Processing
Secure Storage
Offline Mobile Applications
Field-Use Mobile Applications
Financial Data
Operational Data
Equipment Data
Telemetry Data
CI/CD
Release Pipelines
App-store Release Validation
Startup Environment
KYC
AML
Identity Verification
AI-Assisted Features
Mobile Analytics
Behavioral Analytics

Location

Remote

Work Type

Fully remote
Async flexibility

Experience Level

3+ years

Salary/Compensations

Competitive, based on experience, portfolio strength, and geographic location.
10% milestone bonus awarded to every team member assisting with the MVP build-out.
Annual Performance Bonus: Represents a significant percentage of total compensation.

Benefits

Health, dental, and vision plans.
Annual Paid Offsite: Team retreats in Caribbean, Hawaii, ski destinations, and other exciting locations.

About the Company

SunCore Digital is a rapidly scaling digital company.