Senior Frontend Engineer for AI-Powered Fintech Wallet

Imachines; Ciudad de Mendoza; Remote; ARS 92,724,000 - 154,540,000; Full time

Benefits offered by this job

Contractor agreement (USD)

100% remote work

Access to Argentine public holidays

Observability modernization project

Professional development & referrals

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing US fintech project focused on cross-border digital wallet features. You will turn requirements and UI designs into intuitive, scalable frontend experiences and collaborate with design and product teams to deliver impactful wallet features end-to-end.

This contractor role emphasizes AI-assisted development, BFF support, and frontend/backend integration.

Qualifications

• Strong hands-on with React, JavaScript, TypeScript.
• Experience building fintech apps, wallets, or payment platforms.
• Solid UX understanding, usability, interaction design, user-centered dev.
• Proven track record of production-ready UI.
• Experience turning Figma designs into working apps.
• Experience using AI-assisted coding tools.
• Ability to deliver complete features across frontend and backend boundaries.

Responsibilities

• Design, develop, and maintain high-quality UIs for a Digital Wallet.
• Translate UX designs into functional, responsive applications.
• Collaborate with product and design teams to improve journeys and usability.
• Own features end-to-end from requirements to delivery.
• Use AI-powered tools to speed frontend and full-stack work.
• Build and maintain Backend for Frontend (BFF) services as needed.
• Ensure performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.

Skills

React

JavaScript

TypeScript

Fintech apps

UX design

Figma usage

AI-assisted coding

REST APIs

Agile

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing US fintech project focused on cross-border digital wallet features. You will turn requirements and UI designs into intuitive, scalable frontend experiences and collaborate with design and product teams to deliver impactful wallet features end-to-end.

This contractor role emphasizes AI-assisted development, BFF support, and frontend/backend integration.