Senior QA Engineer (Mobile iOS & Android) - Remote, Worldwide

We are currently looking for a Senior QA Engineer (Mobile iOS & Android) in Worldwide. This role provides an exciting opportunity to shape the quality and reliability of cutting-edge mobile applications in a decentralized, peer-to-peer platform environment. You will be responsible for designing and implementing comprehensive testing strategies, driving automation, and ensuring optimal performance across iOS and Android applications.

Accountabilities:

• Define, design, and execute comprehensive test plans and test cases for mobile applications
• Develop, maintain, and optimize automated test suites for iOS and Android using modern frameworks (Appium, XCTest, Espresso)
• Integrate automated tests into CI/CD pipelines and monitor the stability of test environments
• Perform manual and exploratory testing for complex features, usability checks, and regression cycles
• Validate app performance, reliability, and compatibility across devices, OS versions, and network conditions
• Identify, document, and track bugs throughout the full defect lifecycle
• Advocate for QA best practices, mentor team members, and contribute to continuous improvement initiatives

Requirements:

• 5+ years of experience in software QA, including 3+ years focused on mobile app testing (iOS & Android)
• Strong proficiency with mobile automation tools (Appium, XCTest, Espresso)
• Solid understanding of CI/CD pipelines and automated test integration
• Experience with programming/scripting languages such as JavaScript, Java, Kotlin, Swift, or Python
• Familiarity with test management tools (TestRail, Zephyr) and bug tracking systems (Jira, Asana)
• Deep understanding of mobile architectures, APIs, and device ecosystems
• Excellent problem-solving, communication, and collaboration skills
• Preferred: Performance testing, mobile network simulation, device farms (BrowserStack, AWS Device Farm, Firebase Test Lab), Agile/Scrum experience, backend/API testing, or experience with peer-to-peer applications

Benefits:

• Competitive salary aligned with global standards
• Fully remote work, with flexibility to operate from anywhere worldwide
• Opportunities for professional growth and mentoring within a high-impact, innovative environment
• Work on pioneering mobile technologies in a decentralized platform
• Engage in challenging and meaningful projects with a global team
• Supportive, collaborative, and inclusive culture focused on innovation and quality