Fullstack Engineering Manager
DEUNA • US Hybrid
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 Fullstack Engineering Manager to lead and grow high-performing engineering teams in a fast-paced startup environment. This role blends technical leadership, people management, and architectural ownership, while remaining close to delivery and technical decision-making.
You will work closely with Product, Design, and Engineering leadership to build scalable, reliable, and production-ready systems.
Key Responsibilities
Technical & Delivery Leadership
- Lead the design and evolution of fullstack systems across frontend and backend.
- Drive architectural decisions ensuring scalability, performance, and maintainability.
- Promote high standards in code quality, testing, security, and observability.
- Participate in technical discussions, reviews, and key design decisions.
People Leadership
- Mentor and support engineers through continuous feedback and coaching.
- Foster a culture of ownership, collaboration, and continuous improvement.
- Support career development and technical growth.
Execution & Collaboration
- Partner with Product and Design to translate business requirements into technical solutions.
- Lead planning and execution using Agile methodologies.
- Balance speed and quality in a startup context.
Innovation
- Continuously improve engineering practices, tooling, and workflows.
- Stay current with emerging technologies and evaluate their impact.
Requirements
- Experience as a Senior Software Engineer, Tech Lead, or Engineering Manager in fullstack environments.
- Strong frontend expertise with React, Next.js, and TypeScript.
- Solid backend experience with Golang and/or Python.
- Experience designing APIs and distributed systems.
- Hands-on experience with AWS and cloud-native architectures.
- Strong knowledge of relational and non-relational databases.
- Excellent communication and leadership skills.
- Native or fluent English.
- Spanish is a plus.
- Experience working in payments, fintech, e-commerce, or financial platforms is a plus.