Senior Software Development Engineer in Test (SDET) Dublin / Ireland (Hybrid) FinTech | Payments | SaaSGTreasury is building out a mission-critical Payments Engineering team, and we're looking for a Senior SDET who wants to own quality, shape strategy, and influence how software is built — not just how it's tested.What makes this role different?You'll be the quality leader for a newly formed payments team, with real autonomy to:Define and drive the testing strategy end-to-endEmbed shift-left thinking into everyday engineering practicesInfluence developers and product partners from design through deliveryImprove and evolve automation, CI/CD integration, and test performanceChampion quality as a shared responsibility — not a siloThis is a hands-on, technical leadership role. You won't be managing people, but youwillbe setting direction.The kind of SDET we're hoping to meetYou're someone who:Has operated as a senior or lead-level SDET in complex systemsIs comfortable challenging existing tooling and practicesUnderstands automation at scale — parallel execution, isolation, CI/CD feedback loopsEnjoys working closely with engineers and product, not behind themCares deeply about real customer outcomes, not just coverage metricsExperience in payments, fintech, or highly integrated platforms is a big plus — but mindset matters more than domain labels.Tech-wiseCurrent tools include Cypress, Selenium, Azure, CI/CD pipelines — but there's genuine openness to improvement. If you've used Playwright or modern automation approaches and can articulatewhythey work better, that will be a big advantage.Why GTreasury?High-impact role in a growing SaaS FinTech platformStrong engineering culture with space to influence and improveHybrid working model (Ireland-based)Backed by Ripple, with the scale and ambition that bringsIf you're an SDET who wants ownership, influence, and the chance to shape how quality really works, I'd love to talk. Apply directly or drop me a message for a confidential chat.