Senior Frontend & UX Engineer — AI-Driven Fintech (Remote)

Coderio; Neuquén; Remote; ARS 68,987,000 - 137,974,000; Full time

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focusing on cross-border payments and a Digital Wallet.

This frontend-first role emphasizes turning UX/UI designs into scalable wallet features while leveraging AI-powered tools to extend capabilities across the stack. You will own features end to end, collaborating with product and design teams to enhance user journeys, ensure accessibility, and deliver production-ready interfaces for a cross-border

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.
• 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.

Responsibilities

• 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.

Skills

React

JavaScript

TypeScript

UX principles

Polished UI

Figma designs

AI-assisted coding

Tools

Cursor

Claude Code

GitHub Copilot

Figma

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focusing on cross-border payments and a Digital Wallet.

This frontend-first role emphasizes turning UX/UI designs into scalable wallet features while leveraging AI-powered tools to extend capabilities across the stack. You will own features end to end, collaborating with product and design teams to enhance user journeys, ensure accessibility, and deliver production-ready interfaces for a cross-border