Mobile QA Engineer

ProphetX is a prediction market focused on sports, aiming to power America's next great asset class through sports event contracts. They are seeking a Mobile QA Engineer to own mobile testing activities, ensuring quality across their iOS and Android applications in a fast-paced environment.

Responsibilities:

• Own and lead mobile QA testing across iOS and Android platforms
• Design, write, and maintain comprehensive test cases and test plans for new and existing features
• Execute thorough regression testing cycles to ensure platform stability across releases
• Validate new features during active development in close collaboration with product and engineering
• Serve as the primary quality gatekeeper for mobile releases, ensuring each build meets quality standards before it ships
• Identify, document, and track defects with clear reproduction steps and severity assessments
• Collaborate with the Vietnam-based QA and engineering teams to maintain quality alignment across time zones to ensure sufficient coverage
• Contribute to and help grow our mobile automation framework as time and capacity allow

Requirements:

• Strong hands-on experience with manual testing on iOS and Android applications
• Proven ability to write detailed, well-structured test cases and test plans
• Experience executing and managing regression test suites for mobile applications
• Familiarity with mobile-specific testing considerations: device fragmentation, OS versions, performance, network conditions and proxy tools such as Proxyman
• Experience with bug tracking tools (e.g., Jira) and test management platforms such as TestRail or BrowserStack
• Comfortable working in fast moving Agile/Scrum environments with regular release cadences
• Direct QA or testing experience in the betting, gambling, sportsbook, or betting exchange domain is required
• Strong understanding of betting concepts such as markets, odds, events, and settlements
• Experience testing user wallets, balances, and financial transaction flows
• Familiarity with risk-sensitive and revenue-impacting user flows
• Exposure to compliance-driven or regulated environments is a plus, especially US-facing products
• Practical or working familiarity with AI tools (e.g., ChatGPT, Copilot) to assist in test case generation or coverage analysis
• Openness to leveraging AI tooling to improve testing efficiency and output quality
• Interest in staying current with emerging AI-powered QA tools and techniques
• Experience with mobile test automation frameworks (e.g., Appium, XCUITest, Espresso, or similar)
• Experience working with distributed teams across time zones
• Background in fintech or real-money transaction testing