Manual QA Engineer

LoopMe is an AI company solving one of advertising's hardest problems: making brand advertising actually measurable and perform better. The company operates a high-load programmatic infrastructure processing millions of ad requests per second with sub-200ms response times globally. Founded in 2012 and headquartered in London, LoopMe has over 400 employees across 19 cities and has sustained 40% revenue CAGR since 2018.

Essential:

• 2+ years in a QA or mobile testing role
• Experience testing Android and iOS applications
• Proficiency with TestRail or comparable test management system and JIRA for bug tracking and sprint management
• Solid understanding of API testing concepts
• Experience working within Agile/Scrum teams, including use of Charles Proxy or similar tool for network traffic analysis

Nice to have:

• Familiarity with BrowserStack or similar real-device cloud platform
• Experience with Maestro for mobile UI testing
• Knowledge of AI tools, including Claude
• Basic scripting ability in Rust or JavaScript
• Adtech or programmatic advertising domain knowledge

• Design, write, and execute manual test plans and test cases for Android and iOS SDK releases and new features
• Own exploratory, regression, and smoke testing across nightly builds and release candidates
• Validate Adapter Certification builds across multiple OS versions and device configurations
• Log, triage, and track defects in JIRA with clear reproduction steps and supporting evidence
• Manage and maintain test cases in TestRail, keeping coverage current across all SDK projects
• Partner with the automation team to identify high-value candidates for automated test coverage
• Participate in sprint ceremonies and contribute to quality sign-off decisions
• Advocate for quality best practices and drive process improvements as the team scales