Backend Staff 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! 🚀

Role Overview

We are looking for a Backend Staff 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.
• Technical Leadership
  • Provide technical guidance to engineering teams.
  • Participate in architecture discussions and design decisions.
  • Improve development standards and documentation.
• 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

• 8+ 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.

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. Join us at DEUNA!