Senior Frontend Engineer - AI-Driven Fintech Wallet (Remote)

Fullstack; Neuquén; A distancia; ARS 127.737.000 - 212.895.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Contractor agreement with USD payment

100% remote in international setting

Argentine public holidays access

Observability modernization project

Professional development & referralプ

Descripción de la vacante

Darwoft is hiring a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech project focused on a Digital Wallet. You will build intuitive, production-ready interfaces and leverage AI tools to extend the stack, including BFF services and API integrations.

You will shape user experiences for cross-border payments, balance speed and quality with robust accessibility and performance, and collaborate with design and product teams in a remote LATAM setup.

Formación

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Solid understanding of UX principles, usability, interaction design, and user-centered development.
• A proven track record of building polished, production-ready user interfaces.
• Experience turning Figma designs or equivalent UX/UI specifications into working applications.
• Practical experience with AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot, or similar.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and Backend for Frontend (BFF) architectures.
• Strong understanding of frontend architecture, reusable components, and state management.
• Experience working in Agile product development environments.
• Strong communication, problem-solving, and independent execution skills.
• Comfort working hands-on with production code.

Responsabilidades

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs and product requirements into functional, intuitive, and responsive applications.
• Collaborate with product and design teams to improve user journeys, interactions, and overall usability.
• Own features end to end, from initial requirements through implementation and delivery.
• Use AI-powered development tools to speed up frontend and full-stack development.
• Build and maintain Backend for Frontend (BFF) services that support application requirements.
• Implement API integrations and supporting backend functionality when needed.
• Ensure consistency, performance, accessibility, and maintainability across the application.
• Take part in code reviews and help improve development practices.
• Find ways to simplify development workflows through AI-assisted engineering.

Conocimientos

React

JavaScript/TypeScript

Fintech apps

UX principles

AI-assisted coding tools

REST APIs

Agile

Communication

Independent execution

Educación

Herramientas

Cursor

Claude Code

GitHub Copilot

BFF architectures

API integrations

Node.js

Descripción del empleo

Darwoft is hiring a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech project focused on a Digital Wallet. You will build intuitive, production-ready interfaces and leverage AI tools to extend the stack, including BFF services and API integrations.

You will shape user experiences for cross-border payments, balance speed and quality with robust accessibility and performance, and collaborate with design and product teams in a remote LATAM setup.