Senior Frontend / UX Engineer — Fintech Wallet (Remote)

Imachines; Ciudad de Mendoza; Remote; ARS 102,941,000 - 171,568,000; Full time

Benefits offered by this job

USD payments

100% remote

Argentine public holidays

Observability modernization

Professional development

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company specializing in cross-border payments.

You will build production-ready wallets and UI features, turning UX designs into scalable React/TypeScript applications, and leverage AI-assisted tools to accelerate frontend and full-stack work. You will own features end-to-end, collaborate with product and design teams, and contribute to performance, accessibility, and code quality while working remotely within

Qualifications

• Strong hands-on experience with React, JavaScript and TypeScript.
• Experience building fintech applications or digital wallets.
• Proven track record delivering production-ready UI features.
• Experience turning UX designs into working applications.

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 teams to improve 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 to support requirements.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability.

Skills

React

JavaScript

TypeScript

UX/UI design

Redux/State management

REST APIs

AI-assisted coding tools

Agile

Tools

Electron

WebRTC

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company specializing in cross-border payments.

You will build production-ready wallets and UI features, turning UX designs into scalable React/TypeScript applications, and leverage AI-assisted tools to accelerate frontend and full-stack work. You will own features end-to-end, collaborate with product and design teams, and contribute to performance, accessibility, and code quality while working remotely within