Senior Account Manager

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 We are looking for a Senior Account Manager who will be responsible for managing and growing relationships with strategic customers, ensuring customer satisfaction, retention, and business growth. As an individual contributor, you will own a portfolio of key accounts, acting as a trusted partner for our merchants and helping them maximize the value of DEUNA’s solutions. You will understand customer needs, identify growth opportunities, coordinate internal resources, and ensure successful adoption of our products. The ideal candidate is a customer-focused professional with strong business acumen, excellent relationship-building skills, and experience managing strategic accounts in fast-paced technology environments. Key Responsibilities Account Ownership & Customer Relationship Management Manage a portfolio of strategic customers, building strong and long-term relationships with key stakeholders. Become a trusted advisor by understanding customers’ business models, objectives, challenges, and priorities. Maintain regular communication with customers to ensure alignment, satisfaction, and successful adoption. Identify potential risks and proactively develop action plans to address customer needs. Ensure customers receive value from DEUNA’s solutions throughout their lifecycle. Customer Growth & Expansion Identify opportunities to increase customer value through product adoption, upselling, and cross-selling opportunities. Partner with Commercial teams to support account growth strategies. Understand customer performance metrics and identify opportunities for optimization. Support renewal and retention strategies for assigned accounts. Product & Payments Partnership Develop a strong understanding of DEUNA’s products, solutions, and payment ecosystem. Understand customer payment flows, operational challenges, and business needs. Gather customer feedback and translate insights into actionable recommendations for Product and Operations teams. Support customers during product adoption, enhancements, and new solution implementations. Cross-functional Collaboration Work closely with Sales, Product, Engineering, Operations, Finance, and Support teams to solve customer challenges. Coordinate internal follow-ups to ensure timely resolution of customer needs. Communicate customer priorities and business impact effectively across teams. Account Performance & Insights Monitor account health, engagement, usage, and customer satisfaction indicators. Maintain accurate customer information, opportunities, and activities in CRM. Prepare customer updates, reports, and business reviews with relevant insights. Requirements 4+ years of experience in Account Management, Customer Success, Strategic Partnerships, or similar customer-facing roles. Experience managing B2B customers, preferably enterprise or high-growth accounts. Proven ability to build trusted relationships with customers and internal stakeholders. Experience driving retention, adoption, and account growth. Strong commercial mindset and customer orientation. Ability to understand business needs and translate them into solutions. Strong communication, negotiation, and presentation skills. Ability to work independently and manage multiple priorities. Advanced English proficiency. Preferred Qualifications Experience in fintech, payments, e-commerce, SaaS, or technology companies. Knowledge of payment ecosystems, merchant operations, transaction flows, and digital commerce. Experience working with APIs, integrations, or technical products. Experience managing complex customer environments. Success Metrics High customer retention and satisfaction. Increased adoption of DEUNA products and solutions. Identification and execution of expansion opportunities. Strong customer relationships and engagement. Effective coordination between customers and internal teams. What will you find when you join DEUNA? A multicultural team distributed throughout LATAM Dynamism, agility and constant innovation Being part of a high-impact solution for an entire region The best tools and technology to operate Being part of the startup culture. We are in full expansion! Benefits: Vacations and additional PTO Remote work from anywhere Economic support for health insurance, internet and cell phone line We all own DEUNA, we offer stock options Learning and development platform Multidisciplinary, diverse and dynamic team Growth and career path Be part of a dynamic team that’s creating the next generation payments platform. DEUNAis 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. #J-18808-Ljbffr