Senior Frontend Engineer – Remote Fintech Wallets

Intuition Machines, Inc.; Ciudad de Mendoza; Remote; ARS 139,086,000 - 200,903,000; Full time

Benefits offered by this job

USD payment

Remote work

Public holidays

Observability upgrade

Professional development

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing US fintech company building a digital wallet. This frontend-first role emphasizes elegant UX, production-ready UI, and end-to-end feature ownership.

Work fully remotely across LATAM, use AI-assisted tools to speed frontend and backend work, and collaborate across product and design to deliver scalable wallet features with high usability and accessibility.

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.
• Proven track record of production-ready UI.
• Experience turning Figma designs into working apps.
• Practical experience with AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot.
• Ability to deliver 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 environments.
• Strong communication, problem-solving, and independent execution.
• Comfort working in production code.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional, responsive applications.
• Collaborate with product and design teams to improve user journeys, interactions, and 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

Digital wallets

UX principles

UI production-ready

Figma to code

AI-assisted coding

REST APIs

BFF architectures

Frontend architecture

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 US fintech company building a digital wallet. This frontend-first role emphasizes elegant UX, production-ready UI, and end-to-end feature ownership.

Work fully remotely across LATAM, use AI-assisted tools to speed frontend and backend work, and collaborate across product and design to deliver scalable wallet features with high usability and accessibility.