Backend Engineer

**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! ## **Role Overview** We are looking for a **Backend Engineer** to lead the design and development of scalable backend systems. This role is focused on building high-quality, reliable services, improving system performance, and guiding engineering teams through technical decisions. You will work closely with Engineering Managers and Product teams to deliver robust backend solutions. --- ## **Key Responsibilities** ### Backend Development & Architecture - Design, build, and maintain backend services and APIs. - Develop scalable and secure distributed systems. - Define and implement best practices for performance and reliability. ### System Optimization - Identify and resolve performance bottlenecks. - Implement improvements in scalability, monitoring, and reliability. - Design data models, caching strategies, and asynchronous processes. ### Collaboration - Work closely with Product and Engineering teams. - Support the delivery of new features and system improvements. - Ensure alignment between technical solutions and business needs. --- ## **Requirements** - 5+ years of experience in backend development. - Strong experience with: - **Golang and/or Python** - Experience working with: - Distributed systems - REST or GraphQL APIs - Event-driven architectures - Experience with **AWS or similar cloud platforms**. - Knowledge of: - SQL and NoSQL databases - Caching (Redis or similar) - Messaging systems - Understanding of security best practices. - Strong problem-solving skills. - Good communication skills. - English is a plus. --- ## **Nice to Have** - Experience in fintech, payments, or e-commerce platforms. - Experience with high-traffic systems. - Knowledge of compliance and security standards.