Remote Senior Frontend/UX Engineer — AI Fintech

CookUnity; La Pampa; Remote; ARS 108,178,000 - 185,448,000; Full time

Benefits offered by this job

Payment in USD

100% remote

Argentine holidays access

Observability modernization project

Professional development

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech project. You will build a Digital Wallet frontend, translating UX/UI designs into robust, production-ready features and collaborating across product and design teams.

You’ll use AI-assisted coding tools to accelerate development, work across frontend and backend boundaries, and contribute to a scalable, high-quality user experience for a global, remote team.

Qualifications

• React, JavaScript, and TypeScript hands-on experience.
• Fintech apps, digital wallets, or payment platforms experience.
• Strong UX principles and user-centered development.
• Proven track record delivering production-ready UI.
• Experience with REST APIs and Backend for Frontend (BFF) architectures.
• Experience with AI-assisted coding tools (Cursor, Claude Code, Copilot).
• Experience turning UX/UI designs into working apps.

Responsibilities

• Design, develop, and maintain high-quality UIs for a Digital Wallet.
• Translate UX/UI designs into functional applications.
• Collaborate with product and design teams to improve user journeys.
• Own features end-to-end from requirements to delivery.
• Use AI-powered tools to speed frontend and full-stack development.
• Build and maintain Backend for Frontend (BFF) services.
• Implement API integrations and supporting backend functionality.
• Ensure performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.
• Identify AI-assisted improvements to development workflows.

Skills

React

JavaScript

TypeScript

Fintech applications

UX principles

REST APIs

BFF architectures

AI-assisted coding

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech project. You will build a Digital Wallet frontend, translating UX/UI designs into robust, production-ready features and collaborating across product and design teams.

You’ll use AI-assisted coding tools to accelerate development, work across frontend and backend boundaries, and contribute to a scalable, high-quality user experience for a global, remote team.