Senior Frontend/UX Engineer - AI-Driven Fintech Wallet | Remote

Imachines; Municipio de Rincón de los Sauces; Remote; ARS 139,364,000 - 232,274,000; Full time

Benefits offered by this job

Contractor agreement with USD payment

100% remote work

Access to Argentine public holidays

Job summary

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments. You will build a Digital Wallet frontend, turning requirements into scalable, production-ready features with AI-assisted development tools.

You will own features end-to-end, collaborate with design and product teams, and work in a remote, LATAM-focused environment. This role emphasizes UX, performance, and secure fintech best practices.

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 and productivity features.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and BFF architectures.
• Strong understanding of frontend architecture, reusable components, and state management.
• Experience working in Agile product development environments.
• 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 applications.
• Collaborate with product and design teams to improve user journeys and usability.
• Own features end to end, from requirements through implementation and delivery.
• Use AI-powered tools to accelerate 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.
• Participate in code reviews and improve development practices.
• Find ways to simplify development workflows through AI-assisted engineering.

Skills

React

JavaScript

TypeScript

Fintech apps

UX principles

Production-ready UI

Figma to code

REST APIs

Agile development

Frontend architecture

Accessibility

AI-assisted coding tools

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments. You will build a Digital Wallet frontend, turning requirements into scalable, production-ready features with AI-assisted development tools.

You will own features end-to-end, collaborate with design and product teams, and work in a remote, LATAM-focused environment. This role emphasizes UX, performance, and secure fintech best practices.