Manual QA Engineer (Mobile)

You’ll be joining a product team that builds and scales complex internal and user-facing products used by 1M+ users across Tier-1 markets. Our ecosystem includes mobile apps for iOS and Android, high-load backend services, and internal admin tools that support multiple business lines in social networking and streaming. This role is about deep product understanding, strong backend testing, and real influence on quality — not just checking boxes, but improving how fast and reliably we ship features at scale. In this role, you will Perform manual testing of iOS and Android applications, ensuring a high-quality user experience across mobile platforms Conduct smoke, sanity, regression, and functional testing for new features, releases, and product updates Validate backend functionality using API tools and databases, primarily MongoDB Create and maintain test documentation, including test cases, checklists, test plans, and bug reports Investigate, reproduce, and analyze defects, collaborating closely with developers to ensure timely resolution Participate in Scrum ceremonies and contribute throughout the Software Development Life Cycle Test and validate A/B experiments, ensuring accurate implementation and reliable results Work with internal systems, including admin panels and supporting tools, to verify end-to-end functionality Prepare testing reports and provide clear visibility into product quality and release readiness Drive continuous improvements in testing processes, coverage, efficiency, and overall product quality It’s all about you 3+ years of experience in Mobile QA with hands-on testing of iOS and Android applications Strong understanding of mobile application architecture, client-server interactions, and mobile testing best practices Experience with smoke, sanity, regression, and functional testing of mobile applications Practical experience in backend testing using API tools and databases, preferably MongoDB Experience working with cross-platform mobile applications (iOS / Android) Hands-on experience with proxy and traffic inspection tools such as Charles, Proxyman, or Fiddler Experience creating and maintaining test documentation, including test cases, checklists, and bug reports Experience working with test management systems such as Qase, TestRail, or similar solutions Strong bug investigation and troubleshooting skills Understanding of Agile methodologies, Scrum processes, and SDLC Experience with MongoDB Compass Experience using Android Studio for testing and debugging B1 English or higher Would be a plus Experience in marketing-related testing Experience with A/B testing or understanding of experimentation processes Experience collaborating with Customer Support teams and investigating production issues What we offer Care and support: 20 paid vacation days, 15 sick days, and 6 additional days off for family events Up to 10 additional days off for public holidays 100% medical insurance coverage Sports and equipment reimbursement Team building events, corporate gifts, and stylish merch Maternity Recovery Support Allowance Financial and legal support Position retention and support for those who join the Armed Forces of Ukraine Participation in social initiatives supporting Ukraine Comfortable working environment: Work from our Kyiv hub or remotely with a flexible schedule Modern equipment or depreciation of your own tools Investment in your future: Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche 70% of our heads and leads have grown into their roles here – so can you! Performance-oriented reviews and Individual Development Plans (IDPs) Reimbursement for professional courses and English classes Corporate library, book club, and knowledge-sharing events Hiring process Intro call Technical interview Test task Final  interview Reference check Offer P.S. Noticed a perfect match for your friend? We accept recommendations for all vacancies. If you are ready to refer your candidate, you can do it now: Сlick Here!