Remote Senior Frontend/UX Engineer - AI-Driven Wallet

CookUnity; La Pampa; Remote; ARS 139,086,000 - 231,811,000; Full time

Benefits offered by this job

Contractor payment in USD

100% remote work

Public holidays access in Argentina

Professional development & learning

Referral programs

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech ecosystem as a remote contractor in LATAM. You will build and refine Digital Wallet UI, leveraging AI-assisted tools to accelerate frontend and full-stack work.

You will own features end-to-end, collaborate with product and design teams, and ensure accessible, high-performance interfaces across platforms. Remote, international context with USD payments in contractor arrangements.

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, and interaction design.
• Proven track record of delivering production-ready interfaces.
• Experience translating designs into working applications.
• Experience with AI-assisted coding tools like Cursor, Claude Code, GitHub Copilot.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and Backend for Frontend (BFF) architectures.
• Strong communication, problem-solving, and independent execution skills.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs and product requirements into functional, intuitive, and responsive 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

UI/UX

AI-assisted coding

REST APIs

Agile

Communication

Independent execution

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech ecosystem as a remote contractor in LATAM. You will build and refine Digital Wallet UI, leveraging AI-assisted tools to accelerate frontend and full-stack work.

You will own features end-to-end, collaborate with product and design teams, and ensure accessible, high-performance interfaces across platforms. Remote, international context with USD payments in contractor arrangements.