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Syndicode • Lisbon, Portugal
Salary: 20 sick leave days per year
Role & seniority: QA Engineer (senior) focused on mobile applications (iOS/Android)
Testing: functional, regression, integration, UI, API testing
Real devices + simulators/emulators
Tools: Postman, Charles Proxy, Proxyman; Xcode, Android Studio
Analytics/logs: Firebase, App Center
Collaboration/tracking: Jira, Confluence
Mobile platforms: Android, iOS; OS version compatibility, device fragmentation
Analyze requirements and designs from a mobile QA perspective; create and maintain test artifacts (checklists, test cases, reports)
Execute comprehensive testing (functional, regression, UI, API) across devices/OS versions and network conditions; validate store release builds
Collaborate with developers, designers, and product stakeholders; analyze crash logs/analytics and ensure correct behavior through app lifecycle, push notifications, permissions, and offline scenarios
5+ years in mobile application testing (iOS and/or Android); native or cross-platform apps
Hands-on with real devices and simulators/emulators
Strong understanding of mobile architecture and client–server interactions
REST API testing (Postman or similar)
Experience with network tools (Charles Proxy, Proxyman)
Proficient with Jira/Confluence; ability to read logs in Xcode/Android Studio
Knowledge of mobile UX guidelines (Material Design / Apple HIG)
Agile/Scrum experience; upper-i
About us Syndicode is a value-driven software development partner with a globally distributed team of engineers, designers, architects, and IT managers. We are united by the mission to provide our clients with software products and services that perform, look, and work as designed. We believe that our people and culture sustain Syndicode’s success. Our team is unified by shared principles like: Accountability, Involvement, Excellence, Visibility, Integrity, Innovation, Win-Win, and Flexibility. Syndicoders are professionals who pursue self-improvement through continual learning, are eager to introduce improvements to work processes, and can analyze a variety of sources to make sound, timely decisions.
If it sounds like you, apply to our jobs and become a new Syndicoder!
About the role We are looking for a QA Engineer to ensure the quality, stability, and performance of a mobile application. In this role, you will validate mobile app functionality across different devices, OS versions, and network conditions to deliver seamless user experiences and reliable App Store / Google Play releases. You’ll work closely with developers, designers, and product stakeholders, contributing to high-quality mobile solutions from early feature discussions to production release. What you’ll be doing Analyze requirements and designs from a mobile QA perspective Create and maintain checklists, test cases, and test reports Perform functional, regression, integration, UI, and API testing Test applications on real devices and emulators/simulators Validate OS version compatibility and device fragmentation scenarios Test push notifications, deep links, permissions, and app lifecycle behavior Verify background/foreground transitions, interruptions, and offline mode Perform network condition testing (Wi-Fi, 3G/4G/5G, unstable connections) Validate app installation, updates, and store release builds Analyze crash logs and mobile analytics (Firebase, App Center, etc.) Review logs using Xcode and/or Android Studio Conduct basic performance testing (memory usage, battery impact) Participate in sprint planning, release planning, and feature discussions Collaborate closely with developers and stakeholders to clarify expected behavior What you’ll need 5+ years of experience in mobile application testing (iOS and/or Android) Experience testing native or cross-platform mobile applications Hands-on experience with real devices and simulators/emulators Strong understanding of mobile app architecture and client-server interaction Experience with REST API testing (Postman or similar tools) Experience with Charles Proxy, Proxyman, or similar network tools Experience with Jira and Confluence Ability to analyze logs in Xcode and/or Android Studio Understanding of mobile UX guidelines (Material Design / Apple HIG) Experience working in Agile/Scrum environments Upper-Intermediate English or higher Nice to have Experience with mobile test automation (Appium, Espresso, XCUITest, Detox) Experience with Firebase, TestFlight, Google Play Console Experience working with CI/CD pipelines for mobile apps Basic knowledge of mobile security and accessibility testing ISTQB Mobile Application Testing Certification What you’ll get at Syndicode 15 vacation days, 11 public holidays, and 20 sick leave days per year Fully remote position Educational support and professional growth opportunities Continuous feedback and transparent communication Opportunity to influence processes and product decisions Self-management and flexible working approach A dynamic and fast-growing environment