Senior Frontend/UX Engineer — AI‑Driven Fintech (Remote, Contractor)

Imachines; La Pampa; Remote; ARS 92,724,000 - 169,994,000; Full time

Benefits offered by this job

Remote work in LATAM

USD payments contractor

Professional development

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech venture focused on a Digital Wallet.

You will build polished user interfaces, translate designs into production-ready features, and collaborate across product, design, and backend teams to deliver end-to-end capabilities. This remote LATAM role emphasizes AI-assisted coding, BFF services, and secure, scalable frontend architecture.

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.
• A proven track record of building polished, production-ready user interfaces.
• Experience turning Figma 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 architectures.

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

Fintech apps

UX principles

Figma designs

AI-assisted coding tools

APIs

Agile

Tools

Node.js

Design systems

OAuth/Auth security

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech venture focused on a Digital Wallet.

You will build polished user interfaces, translate designs into production-ready features, and collaborate across product, design, and backend teams to deliver end-to-end capabilities. This remote LATAM role emphasizes AI-assisted coding, BFF services, and secure, scalable frontend architecture.