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 general 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 https://www.deuna.com/ to learn more about us
Role Overview
We are looking for a Staff Software Engineer – Fullstack to act as a senior technical leader across our engineering organization.
This is a high-impact individual contributor role,
focused on driving architecture, setting technical direction, and solving complex, cross-team challenges. You will partner closely with Engineering, Product, and leadership to ensure our systems scale reliably as the business grows.
This role is not focused on people management — instead, you will operate as a technical authority and multiplier, influencing multiple teams and raising the overall engineering bar.
What You’ll Do
Technical Leadership & Architecture
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Own and evolve the architecture of critical fullstack systems across frontend and backend.
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Lead the design of scalable, high-performance, and resilient distributed systems.
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Set and uphold engineering standards, best practices, and design principles.
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Drive alignment across teams on architectural decisions and technical direction.
Hands-On Engineering
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Contribute to high-impact areas of the codebase.