Implementation Manager US

About DEUNA 🧡   DEUNA is a rapidly growing startup revolutionizing global commerce with ATHIA, our AI-powered orchestration and payments platform that helps large enterprises boost approval rates, reduce costs, and unlock new revenue. Built by the team behind DEUNA—the fastest-growing Commerce OS in Latin America—ATHIA combines payment intelligence, checkout optimization, and data orchestration in one powerful solution.   With deep integrations across 300+ PSPs and alternative payment methods, and over 20% of Mexico’s digital economy running through our platform, we simplify global payments through a single integration and centralized reconciliation. We are a rapidly growing startup expanding into the U.S. to meet the urgent needs of large retailers, marketplaces, airlines, and QSRs. Join us to shape the future of payments! 🚀   Visit https://www.deuna.com/ to learn more about us! : About the Role As a n Implementation Manager , you will take full ownership of the merchant onboarding and integration journey after pre-sales closes the technical design . You will prepare integration packages , build go-live plans , answer technical questions , coordinate internal teams for product developments , and ensure high-quality and on-time merchant go-lives . You will be measured not only by the speed of onboarding but also by the quality of the go-live — making sure every flow, exception, and integration need is correctly addressed and tested. : Responsibilities Prepare and deliver a full Statement of Work (SOW) for the merchant, including: Test credentials API documentation Integration diagrams Any project-specific technical material Define and align a Go-Live Timeline : Work with the merchant to break down the project into phases (if needed) Identify key milestones, dependencies, and risks Be the merchant’s main technical point of contact during integration: Support the merchant’s technical team with questions, troubleshooting, best practices, and clarifications Own and pus