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

Imachines; Ciudad de Mendoza; Remote; ARS 137,974,000 - 241,454,000; Full time

Benefits offered by this job

Contractor agreement with payment in U

100% remote work in an international

Argentine public holidays

Observability modernization for core平台

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments for the Latino community. You will build the Digital Wallet UI and use AI-assisted tools to extend the stack, including BFF services and API integrations.

This remote LATAM contractor role emphasizes end-to-end feature ownership, strong UX, and production-grade code with a modern frontend stack.

Qualifications

• Extensive hands-on experience with React, JavaScript, and TypeScript.
• Proven fintech or digital wallet experience.
• Strong UX/process understanding and production-grade UI skills.
• Experience translating Figma designs into working apps.
• Familiar with AI-assisted coding tools (Cursor, Claude Code, Copilot).
• End-to-end feature ownership across frontend and backend.
• Experience with REST APIs and Backend for Frontend (BFF) architectures.
• Agile development experience.
• Strong communication and independent execution.
• Comfort working with production code.

Responsibilities

• Design, develop, and maintain high-quality Digital Wallet interfaces.
• Translate designs and requirements into functional, responsive apps.
• Collaborate with product and design to improve usability.
• Own features end-to-end from requirements to delivery.
• Use AI tools to speed frontend and full-stack work.
• Build and maintain BFF services supporting app needs.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability.
• Contribute to code reviews and best practices.
• Identify ways to simplify development with AI-assisted tooling.

Skills

React

JavaScript

TypeScript

Fintech

UX principles

Figma designs

AI-assisted coding

REST APIs

BFF architectures

Agile

Communication

Production code

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments for the Latino community. You will build the Digital Wallet UI and use AI-assisted tools to extend the stack, including BFF services and API integrations.

This remote LATAM contractor role emphasizes end-to-end feature ownership, strong UX, and production-grade code with a modern frontend stack.