Senior AI-Driven Frontend Engineer — Remote Contractor

BeaconAI; Ciudad de Mendoza; Remote; ARS 139,086,000 - 216,357,000; Full time

Benefits offered by this job

Contractor agreement with payment in U

100% remote work in an international

Access to Argentine public holidays

Direct involvement in modernizing core

Professional development, learning and

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to help build a fintech-backed Digital Wallet for cross-border payments. This frontend-first role emphasizes polished UI, strong UX insight, and end-to-end ownership, including occasional backend work with BFF services and API integrations.

Expect AI-assisted coding to speed delivery in a remote LATAM context. You will collaborate with product and design teams to enhance usability, accessibility, and performance while delivering production-ready

Qualifications

• 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.
• Proven track record of building polished, production-ready user interfaces.
• Experience turning Figma designs into working applications.
• Practical experience with AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and 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.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs and product requirements into functional, intuitive apps.
• Collaborate with product and design teams to improve user journeys and usability.
• Own features end to end, from requirements through delivery.
• Use AI-powered tools to speed frontend and full-stack development.
• Build and maintain BFF services that support application needs.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.
• Explore AI-assisted engineering to simplify workflows.

Skills

React

JavaScript

TypeScript

Fintech experience

UX principles

Polished UIs

Figma to code

AI-assisted coding tools

REST APIs

BFF architectures

Frontend architecture

State management

Agile

Communication

Independent execution

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

Modern backend frameworks

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to help build a fintech-backed Digital Wallet for cross-border payments. This frontend-first role emphasizes polished UI, strong UX insight, and end-to-end ownership, including occasional backend work with BFF services and API integrations.

Expect AI-assisted coding to speed delivery in a remote LATAM context. You will collaborate with product and design teams to enhance usability, accessibility, and performance while delivering production-ready