Every holiday season, the same story plays out. Traffic spikes, and a checkout that passed every test in staging starts failing in production. A payment gateway times out. 3-D Secure challenges loop on certain phones. A wallet button disappears in one market. Each of these failures turns a ready-to-buy customer into an abandoned cart, on the days that matter most.
In this 45-minute session, the Testlio & Hive Quality engineering team walk through the failures that show up only under real-world conditions: real cards, real devices, real networks, and real locations. You'll hear how leading teams test the full payment journey end to end, from promo codes and gift cards to wallets, buy now pay later, refunds and cross-border transactions. We'll also cover what to lock down in the final weeks before Black Friday and how to watch payments in real time over the weekend.
You'll leave with a practical readiness checklist and a clear view of which payment risks to test first.
Meet our Experts

Neill McCarthy
Neill McCarthy co-founder and CTO at Hive Quality Engineering Limited, a specialist payments SQE consultancy, brings over 30 years of testing experience across a range of roles and sectors where payments have frequently been part of his mandate. Starting as a technical test analyst and working through various roles covering functional, nonfunctional and now operates at a technical advisory level with a view to aligning quality outcomes to business value and impacts such as time to market, regulatory compliance, systems resilience, customer experience and retention.

Tom Chmielewski
Tom Chmielewski is Testlio's VP of EMEA & APAC, where he leads the company's go-to-market expansion across Europe, the Middle East, Africa, and Asia-Pacific. He has a proven track record of helping clients such as Arsenal, Tabby, Sky, and more surface friction points that dashboards miss, optimize alternative payment-method flows, and convert more buyers in regions where local context makes or breaks performance. Through Testlio's AI-powered crowdsourced testing platform, Tom helps global merchants and payment service providers ensure seamless transactions across 150+ countries, 600K devices, and 800+ payment methods. His career spans three decades, including prior leadership roles at New Relic, Comcast, and Rackspace, where he helped scale enterprise software and digital services across global markets. Tom holds an MBA from Harvard Business School and a BA in History from Yale University.
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Brad Goldstein
Brad Goldstein is a channel leader with 8+ years of testing experience across a range of companies and industries. Their background spans test automation, mobile testing on real devices, and crowdtesting, which gives them a full picture of how products behave both in the lab and in real users’ hands. Brad helps teams combine these approaches to release faster, catch issues earlier, and deliver better user experiences.