Remote Senior Frontend Engineer — AI‑Driven Fintech UX

Cookunity; Ciudad de Mendoza; A distancia; ARS 102.941.000 - 205.882.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Contractor in USD

100% remote

Argentine public holidays

Observability modernization

Professional development

Descripción de la vacante

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company, focused on a Digital Wallet and cross-border payments. You will build production-ready UI features, leverage AI tools, and contribute across frontend and backend as needed.

This is a remote, LATAM-based contractor role with full-time expectations. You will own end-to-end features, collaborate with design and product teams, and help shape an accessible, performant fintech experience for users managing

Formación

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech apps, digital wallets, or payments.
• Solid UX principles understanding and user-centered development.
• Proven track record of production-ready UIs.
• Experience translating designs (Figma) into apps.
• Experience with AI-assisted coding tools.
• Ability to deliver features across frontend and backend.
• Experience with REST APIs and BFF architectures.
• Experience in Agile environments.
• Strong communication and independent execution.

Responsabilidades

• Design, develop, and maintain high-quality UIs for a Digital Wallet.
• Translate designs into functional, responsive applications.
• Collaborate with product and design to improve usability.
• Own features end-to-end from requirements to delivery.
• Use AI-powered tools to speed frontend and full-stack work.
• Build and maintain BFF services.
• Implement API integrations and backend support when needed.
• Ensure performance, accessibility, and maintainability.
• Participate in code reviews and improve practices.
• Find ways to simplify workflows with AI-assisted engineering.

Conocimientos

React

JavaScript

TypeScript

UX principles

UI design

Figma

AI coding tools

REST APIs

BFF

Agile

Communication

Frontend architecture

Descripción del empleo

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company, focused on a Digital Wallet and cross-border payments. You will build production-ready UI features, leverage AI tools, and contribute across frontend and backend as needed.

This is a remote, LATAM-based contractor role with full-time expectations. You will own end-to-end features, collaborate with design and product teams, and help shape an accessible, performant fintech experience for users managing