Senior QA Engineer (Mobile / Android)

TechTree offers a long-term project testing an Android application alongside a custom OS built on AOSP (Android Open Source Project). The product is used by millions of users in the fitness industry and has an existing client relationship spanning 5 years, expected to continue for another 5 years.

• 6+ years of commercial experience in mobile application testing
• Experience with Jira
• Ability to create structured test plans (e.g., Qase, Xray)
• Strong English skills (daily communication with the client team), English B2, Polish B2
• Comfortable working under pressure and in a dynamic environment

Nice to have:

• Familiarity with API testing tools (Postman, Proxyman, Burp Suite)
• Experience with non-functional testing on mobile (performance, usability)
• Experience with custom operating systems (AOSP)
• Test automation knowledge
• Git experience
• Experience creating test strategies

• Manual testing of mobile applications and the Android operating system, including AOSP
• Close collaboration with the development team and US-based client (East Coast)
• Identifying, reporting, and tracking bugs
• Creating structured test scenarios and test plans
• Participating in requirements analysis and test documentation

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