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 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 push timelines**: - Ensure the merchant and internal teams are meeting the project deadlines - Actively manage risks, delays, and escalations - **Collaborate closely with the Product and Engineering teams** to: - Escalate and prioritize integration blockers - Follow up on new developments and product features required by the merchant - **Build UAT (User Acceptance Testing) matrices**: - Internal-facing UAT matrices to align Product teams on the development acceptance criteria - Merchant-facing UAT matrices to ensure the merchant tests every critical payment flow and use case - **Drive a clean go-live process**: - Monitor launch success - Ensure operational readiness of all flows (payment success, failure handling, refunds, tokenization, etc.) - **Post-go-live support**: - Stay engaged for **3 weeks after go-live** to ensure stability before handing off the account. --- ## **Requirements** - **3+ years** of experience in technical project management, technical account management, merchant integrations, or technical consulting — preferably in Fintech, Payments, or SaaS companies. - **Strong technical understanding** of payment integrations (APIs, SDKs, payment gateways, fraud vendors, alternative payment methods). - **Exceptional project management skills**: timeline creation, stakeholder management, risk mitigation. - **Client-facing experience**: comfortable leading technical conversations with merchant engineering teams. - **Organized and proactive**: capable of running multiple integration projects at the same time. - **Experience with UAT planning and test case validation.** - Fluent in **Spanish** and **English**. - Startup or high-growth tech environment experience is a **plus**.