Fullstack Senior Engineering Manager

DEUNA•New York, NY

7d•Remote

About The Position

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 DEUNAâthe fastest-growing Commerce OS in Latin AmericaâATHIA 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 Mexicoâs 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! ð Visit https://www.deuna.com/ to learn more about us! Role Overview We are looking for a Fullstack Senior Engineering Manager to provide strategic and technical leadership across multiple teams. This role focuses on scaling systems, developing leaders, and shaping long-term engineering strategy. You will play a key role in aligning technical execution with business goals in a growing startup.

Requirements

Extensive experience as an Engineering Manager or Senior Engineering Manager.
Strong full-stack technical background, including: React, Next.js, TypeScript + Golang and/or Python
Strong system design and architectural expertise.
Experience with AWS and cloud-native architectures.
Excellent leadership, communication, and decision-making skills.
Native or fluent English.

Nice To Haves

Spanish is a plus.
Experience working in payments, fintech, e-commerce, or financial platforms is a plus.

Responsibilities

Define engineering standards, architectural principles, and best practices.
Guide system design decisions across frontend and backend platforms.
Ensure alignment and consistency across teams.
Mentor Engineering Managers and senior technical leaders.
Build strong feedback, performance, and growth frameworks.
Develop future leaders within the organization.
Partner with Product and company leadership to align technical and business priorities.
Lead delivery across complex, multi-stream initiatives.
Navigate ambiguity and guide teams through evolving requirements.
Help scale engineering processes and technical foundations.
Evaluate new technologies and drive adoption when valuable.