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

Rootstrap; Rosario; Remote; ARS 51,740,000 - 103,480,000; Full time

Benefits offered by this job

Contractor payments in USD

100% remote work

Holiday observances in Argentina

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-moving LATAM fintech project. This remote, contractor role focuses on delivering polished UI features and scalable interfaces using React, TypeScript, and modern UX practices.

Turn Figma designs into production-ready interfaces, collaborate with product teams, and leverage AI-assisted coding tools to speed development while maintaining quality and accessibility.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications or digital wallets.
• Understanding UX principles and user-centered design.
• Proven ability to deliver production-ready UI.
• Experience turning designs into working apps and using Figma specs.
• Familiar with AI-assisted coding tools.
• Experience with REST APIs and Backend for Frontend architectures.
• Experience in Agile environments and strong communication.

Responsibilities

• Design, develop, and maintain high-quality fintech UI.
• Translate UX designs 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 accelerate frontend and full-stack work.
• Build and maintain BFF services supporting app needs.
• Review code and improve development practices.
• Contribute to AI-assisted engineering workflows.

Skills

React

JavaScript

TypeScript

Fintech

Digital wallets

UX principles

Figma

REST APIs

BFF

AI-assisted coding tools

Tools

GitHub Copilot

Cursor

Claude Code

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-moving LATAM fintech project. This remote, contractor role focuses on delivering polished UI features and scalable interfaces using React, TypeScript, and modern UX practices.

Turn Figma designs into production-ready interfaces, collaborate with product teams, and leverage AI-assisted coding tools to speed development while maintaining quality and accessibility.