Remote Senior Frontend Engineer - Fintech Wallet UX

Devconnectplatform; Tandil; Remote; ARS 120,727,000 - 189,714,000; Full time

Job summary

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

You will build its Digital Wallet frontend, translating UX/UI designs into intuitive, production-ready features and collaborating with product and design teams to refine user journeys. This contractor role emphasizes AI-assisted development, end-to-end ownership, and remote collaboration in a LATAM-based, English-speaking environment.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience turning Figma designs into working applications.
• Familiarity with AI-assisted coding tools is a plus.

Responsibilities

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

Skills

React

JavaScript

TypeScript

UX principles

Agile

Tools

Cursor AI

GitHub Copilot

Claude Code

Job description

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

You will build its Digital Wallet frontend, translating UX/UI designs into intuitive, production-ready features and collaborating with product and design teams to refine user journeys. This contractor role emphasizes AI-assisted development, end-to-end ownership, and remote collaboration in a LATAM-based, English-speaking environment.