---
title: 'Fullstack Staff Engineer at DEUNA'
canonical: 'https://feeny.ai/job/fullstack-staff-engineer-deuna-ciudad-de-mexico-t4k8d2sf3qgk'
type: 'job'
last_seen: '2026-09-08'
---

# Fullstack Staff Engineer at DEUNA

- **Company:** DEUNA
- **Location:** Ciudad de México, Mexico
- **Work type:** hybrid
- **Posted:** 2026-06-15
- **Last confirmed live:** 2026-09-08
- **Apply:** https://jobs.lever.co/deuna/2160e816-4c67-4993-aeb2-ddacf22c049d

## Job description

## 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 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 Own and evolve the architecture of critical fullstack systems across frontend and backend. Lead the design of scalable, high-performance, and resilient distributed systems. Set and uphold engineering standards, best practices, and design principles. Drive alignment across teams on architectural decisions and technical direction. Hands-On Engineering Contribute to high-impact areas of the codebase. Write clean, maintainable, production-grade code. Lead complex refactors and performance optimization efforts. Conduct in-depth code reviews and mentor engineers through technical guidance. Cross-Team Impact Partner with Product and Engineering leaders to evaluate trade-offs across scalability, performance, cost, and security. Design APIs, data models, and system interactions that support long-term growth. Guide teams on handling edge cases, failure scenarios, and observability. Technical Strategy & Innovation Identify system bottlenecks and drive scalable solutions. Influence long-term technical strategy and roadmap. Evaluate and introduce new technologies where they add meaningful value. Improve monitoring, instrumentation, and system reliability practices.

## What We’re Looking For

Proven experience as a Staff, Principal, or Senior Software Engineer in fullstack environments. Strong frontend expertise with: React Next.js TypeScript Strong backend experience with: Golang and/or Python Deep experience designing distributed systems and scalable APIs. Strong fundamentals in: Data structures and algorithms System design and architecture Design patterns and trade-offs Hands-on experience with AWS and cloud-native architectures. Experience with SQL and NoSQL databases. Strong debugging, performance optimization, and refactoring skills. Excellent communication skills, with the ability to influence technical decisions. Fluent or native English (Spanish is a plus).

## Nice to Have

Experience in payments, fintech, e-commerce, or transaction-heavy platforms. Experience building high-availability, low-latency systems. Familiarity with regulated environments (PCI-DSS, financial systems, etc.).

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.

DEUNA 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.

## About DEUNA

## Company Overview
- **One-liner**: DEUNA provides a unified payment orchestration platform with agentic AI intelligence to help global enterprises optimize commerce, increase conversion, and automate reconciliation.
- **Entity Type**: Private (Series A; $30M raised July 2022, plus $7M Seed, total $37M)
- **Headquarters**: New York City, United States
- **Founded**: 2020
- **Founders**: Roberto Kafati and Jose Maria Serrano

## Core Business
- Primary industry/industries: Payments infrastructure, Fintech, Enterprise software
- Target customers: B2B – large, global, multi-market enterprises expanding internationally; merchants and e-commerce businesses
- Mission or purpose statement: "To be a beacon of innovation, crafting next-generation solutions that transcend functionalities in payments, and enhancing superior experiences." [deuna.com](https://www.deuna.com/careers)

## Products & Services
- **Payment Orchestration Platform**: Single API connecting to 400+ payment providers, antifraud tools, and alternative payment methods. Enables no-code routing logic, dynamic checkout, and custom subscription billing. [deuna.com](https://www.deuna.com/)
- **Athia – Agentic Payments Intelligence**: AI-powered layer that transforms raw payments and commerce data into strategic, context‑aware actions. Automates reconciliation, surfaces growth opportunities, and integrates into existing workflows. [deuna.com](https://www.deuna.com/)
- **Automated Reconciliation**: Reconciles payments across PSPs, acquirers, networks, fraud tools, and channels with zero manual effort.
- **Advanced Subscriptions**: Customizable recurring billing logic to optimize revenue and reduce churn.
- **Dynamic Checkout**: Personalized, high‑conversion checkout experiences that adapt to customer behavior and local preferences.

## Market Standing
- **Valuation/Market Cap**: Not disclosed
- **Key Metric**: Annual Revenue – estimated USD $2.1M (based on available data); Total Funding – USD $37M across two rounds [linkedin.com](https://www.linkedin.com/company/de-una)
- **Notable Investors/Partners**: Activant Capital, Valor Capital, Softbank Early Stage (now Upload), L Catterton, plus angel investors Will Hockey and Carlos García [deuna.com](https://www.deuna.com/story)
- **Growth Signals**: ~120 employees (+2.9% YoY), distributed across 15 countries; powers nearly 30% of e‑commerce volume in key regions; launching Athia agentic AI; 18.9% LinkedIn follower growth per year [linkedin.com](https://www.linkedin.com/company/de-una)

## Competitive Advantages
- **Agentic AI (Athia):** Transforms messy data into proactive, growth‑driven actions, differentiating from traditional orchestration-only platforms.
- **Deep Integration Network:** 400+ certified connections to payment providers, antifraud tools, and APMs – built for enterprise complexity.
- **Performance & Reliability:** SLA‑backed 99.99% uptime, 2‑month average integration time, PCI DSS and GDPR compliant.
- **Modular Architecture:** Seamless connection to GDS, ERP, CRM systems.

## Strategic Focus
- Launching and scaling **Athia**, embedding agentic intelligence directly into payments infrastructure to automate decisions and recover GMV.
- Continuing global expansion, especially in Latin America and across markets requiring multi‑provider routing.
- Deepening enterprise relationships by offering unified data and no‑code orchestration to reduce complexity and cut costs.

## Why Work Here
- **Remote‑first culture**: Work from anywhere; team of 120+ DEUNERS across 14+ countries [deuna.com](https://www.deuna.com/careers)
- **Generous time off**: 28 paid time off and self‑care days per year
- **Equity & compensation**: Competitive cash and equity grants that reflect ownership in the company
- **Growth focus**: Defined individual growth maps based on capabilities; regular feedback embedded in the culture
- **Diverse & multicultural team**: Emphasis on performance, impact, and results over hours worked; dynamic and agile environment
- **Open roles**: Technical Monitoring Analyst, Fullstack Staff Engineer, Senior Frontend Engineer, Backend Staff Engineer, AI Platform Tech Lead, and more [jobs.lever.co](https://jobs.lever.co/deuna)

## Sources
1. [deuna.com – Careers](https://www.deuna.com/careers)
2. [deuna.com – Product](https://www.deuna.com/)
3. [deuna.com – Story](https://www.deuna.com/story)
4. [jobs.lever.co – DEUNA open positions](https://jobs.lever.co/deuna)
5. [linkedin.com – DEUNA company profile](https://www.linkedin.com/company/de-una)

## Other roles at DEUNA

- [Sales Engineer](https://feeny.ai/job/sales-engineer-deuna-brazil-h3w6sgp2wgmc) — Brazil
- [Data Science intern](https://feeny.ai/job/data-science-intern-deuna-san-francisco-3k9ax6m2bjkj) — San Francisco, CA
- [Implementation Manager](https://feeny.ai/job/implementation-manager-deuna-ciudad-de-mexico-gbcy08nc5m2q) — Ciudad de México, Mexico
- [AI Platform Tech Lead](https://feeny.ai/job/ai-platform-tech-lead-deuna-san-francisco-hbc6fbxakxkw) — San Francisco, CA
- [Technical Program Manager](https://feeny.ai/job/technical-program-manager-deuna-san-francisco-vm6qvvc0abf2) — San Francisco, CA
- [Backend Engineer](https://feeny.ai/job/backend-engineer-deuna-bogota-y0mbnjpycqne) — Bogotá, Colombia
- [Head of Finance](https://feeny.ai/job/head-of-finance-deuna-ciudad-de-mexico-jbpmtjvmb5y8) — Ciudad de México, Mexico
- [Head of Implementation](https://feeny.ai/job/head-of-implementation-deuna-san-francisco-wwzy2n06mpjz) — San Francisco, CA
- [Head of Technical Operations](https://feeny.ai/job/head-of-technical-operations-deuna-bogota-jsnsd1jac6cf) — Bogotá, Colombia
- [Technical Monitoring Analyst](https://feeny.ai/job/technical-monitoring-analyst-deuna-ciudad-de-mexico-fjcaphfvja7v) — Ciudad de México, Mexico