Senior Frontend/UX Engineer - AI-Driven Fintech (Remote)

Darwoft; Tandil; Remote; ARS 127,737,000 - 212,895,000; Full time

Benefits offered by this job

Remote work in international setting

USD payments

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech project focused on cross-border payments. You will build Digital Wallet features, translate UX/UI designs into production-ready interfaces, and drive user-centered improvements.

This frontend-first, contractor role emphasizes AI-assisted coding, BFF services, API integrations, and end-to-end ownership, with fully remote work across LATAM and USD compensation.

Qualifications

• Strong hands-on React, JavaScript, and TypeScript development.
• Experience building fintech apps, wallets, or payments.
• Proven UX/UI design implementation experience from Figma or specs.
• Experience with AI-assisted coding tools like Cursor or Copilot.
• Ability to deliver complete features across frontend and backend.
• Experience with REST APIs and BFF architectures.
• Strong frontend architecture, reusable components, and state management.
• Agile product development and independent execution.

Responsibilities

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

Skills

React

JavaScript

TypeScript

UX principles

Figma designs

AI-assisted coding

REST APIs

BFF architecture

Agile

Communication

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech project focused on cross-border payments. You will build Digital Wallet features, translate UX/UI designs into production-ready interfaces, and drive user-centered improvements.

This frontend-first, contractor role emphasizes AI-assisted coding, BFF services, API integrations, and end-to-end ownership, with fully remote work across LATAM and USD compensation.