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

Intuition Machines, Inc.; Buenos Aires; Remote; ARS 127,737,000 - 212,895,000; Full time

Benefits offered by this job

USD payment

Remote work

Public holidays access

Observability modernization

Professional development

Job summary

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

This frontend-first role emphasizes delivering rich, production-ready interfaces while leveraging AI-powered tools to extend capabilities across the stack. You will own features end-to-end, translate UX designs into responsive experiences, and collaborate with product and design teams to improve user journeys.

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 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.

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

UX principles

Production UI

REST APIs

AI-assisted coding

Frontend architecture

Agile

Tools

Cursor AI

Claude Code

GitHub Copilot

Node.js (Nice-to-have)

Job description

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

This frontend-first role emphasizes delivering rich, production-ready interfaces while leveraging AI-powered tools to extend capabilities across the stack. You will own features end-to-end, translate UX designs into responsive experiences, and collaborate with product and design teams to improve user journeys.