Senior Frontend Engineer: AI-Driven Fintech Wallet (Remote)

CookUnity; La Pampa; Remote; ARS 86,234,000 - 155,220,000; Full time

Benefits offered by this job

Contractor in USD

100% remote

Professional development

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S.-fintech initiative focused on a Digital Wallet. This remote LATAM contractor role emphasizes building polished, production-ready interfaces with React, Redux, and AI-assisted tooling.

You will own features end-to-end, convert UX/UI designs into responsive UIs, and collaborate across product and design teams to improve user journeys while maintaining performance, accessibility, and code quality.

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.

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, 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

Fintech

Digital wallets

UX/UI design

Figma

AI-assisted coding

Agile

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

REST APIs

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S.-fintech initiative focused on a Digital Wallet. This remote LATAM contractor role emphasizes building polished, production-ready interfaces with React, Redux, and AI-assisted tooling.

You will own features end-to-end, convert UX/UI designs into responsive UIs, and collaborate across product and design teams to improve user journeys while maintaining performance, accessibility, and code quality.