About DEUNADEUNA is a rapidly growing startup revolutionizing integral 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.
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About the RoleAs an 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.ResponsibilitiesPrepare and deliver a full Statement of Work (SOW) for the merchant,



including:Test credentialsAPI documentationIntegration diagramsAny project‐specific technical materialDefine and align a Go‐Live Timeline:Work with the merchant to break down the project into phases (if needed)Identify key milestones, dependencies, and risksBe the merchant's main technical point of contact during integration:Support the merchant's technical team with questions, troubleshooting, best practices, and clarificationsOwn and push timelines:Ensure the merchant and internal teams are meeting the project deadlinesActively manage risks, delays, and escalationsCollaborate closely with the Product and Engineering teams to:Escalate and prioritize integration blockersFollow up on new developments and product features required by the merchantBuild UAT (User Acceptance Testing) matrices:Internal‐facing UAT matrices to align Product teams on the development acceptance criteriaMerchant‐facing UAT matrices to ensure the merchant tests every critical payment flow and use caseDrive a clean go‐live process:Monitor launch successEnsure 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.Requirements3+ 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.What will you find when you join DEUNA?
A multicultural team distributed throughout LATAMDynamism, agility and constant innovationBeing part of a high‐impact solution for an entire regionThe best tools and technology to operateBeing part of the startup cultureWe are in full expansion!
BenefitsVacations and additional PTORemote work from anywhereEconomic support for health insurance, internet and cell phone lineWe all own DEUNA, we offer stock optionsLearning and development platformMultidisciplinary, diverse and dynamic teamGrowth and career pathBe part of a dynamic team that's creating the next generation payments platformDEUNA is proud to be an equal opportunity employer.
We value and celebrate diversity and inclusion in our workplace.
All employment decisions at DEUNA are made without discrimination based on nationality, race, ethnicity, religion, gender, sexual orientation, gender identity or expression, marital status, color, disability, or any other characteristic protected by law.
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📌 Implementation Manager (Xico)
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📍 Xico