Senior Frontend Engineer - Fintech Wallet (Remote)

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

Benefits offered by this job

Contractor payment in USD

100% remote work in an international</

Argentine public holidays access

Observability modernization for Fintec

Job summary

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing fintech platform. You will build high-quality user interfaces for a Digital Wallet and collaborate across product and design to enhance user journeys. This frontend-first role emphasizes AI-assisted development and end-to-end feature ownership.

You will work remotely with a LATAM focus, delivering production-ready features and contributing to frontend architecture, testing, and performance optimization.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Ability to translate UX/UI designs into working applications.
• Practical experience with AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot, or similar.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and Backend for Frontend (BFF) architectures.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs and product requirements into functional, intuitive applications.
• Collaborate with product and design teams to improve user journeys and usability.
• Own features end to end, from requirements to delivery.
• Use AI-powered tools to speed up frontend and full-stack development.
• Build and maintain BFF services that support application requirements.
• Ensure consistency, performance, accessibility, and maintainability across the application.
• Take part in code reviews and improve development practices.

Skills

React

JavaScript

TypeScript

Redux

UI/UX principles

REST APIs

BFF

Tools

Electron

Tauri

WebRTC

Figma

GitHub Copilot

Cursor

Claude Code

Job description

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing fintech platform. You will build high-quality user interfaces for a Digital Wallet and collaborate across product and design to enhance user journeys. This frontend-first role emphasizes AI-assisted development and end-to-end feature ownership.

You will work remotely with a LATAM focus, delivering production-ready features and contributing to frontend architecture, testing, and performance optimization.