Senior Frontend/UX Engineer AI-Driven Fintech Wallet (Remote)

CookUnity; Tandil; Remote; ARS 85,158,000 - 170,316,000; Full time

Benefits offered by this job

Contractor payment in USD

100% remote work in an international设置

Access to Argentine public holidays

Involvement in platform observability

Professional development & referrals

Job summary

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

You will turn requirements into production-ready wallet features with a frontend-first approach and leverage AI-assisted tools to extend capabilities. Work is fully remote within Latin America, with responsibilities spanning UI design, performance, accessibility, and collaboration with product and design teams.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications or digital wallets.
• Understanding of UX principles and user-centered development.
• Proven track record of production-ready UI.
• Ability to translate designs into working apps from Figma specs.
• Experience with REST APIs and Backend for Frontend architectures.
• Experience in Agile product development.
• Strong communication and independent execution skills.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional apps.
• Collaborate with product and design teams to improve journeys, interactions, and usability.
• Own features end to end, from requirements through delivery.
• Use AI-powered development tools to speed frontend and full-stack development.
• Build and maintain Backend for Frontend (BFF) services.
• Implement API integrations and supporting backend functionality when needed.
• Ensure consistency, performance, accessibility, and maintainability.
• 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 experience

Digital wallets

UX/UI

Figma to code

AI-assisted coding tools

REST APIs

BFF

Frontend architecture

Agile

Communication

Tools

Cursor

Claude Code

GitHub Copilot

Job description

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

You will turn requirements into production-ready wallet features with a frontend-first approach and leverage AI-assisted tools to extend capabilities. Work is fully remote within Latin America, with responsibilities spanning UI design, performance, accessibility, and collaboration with product and design teams.