Senior Frontend & UX Engineer — Remote, AI-Driven Fintech

Devconnectplatform; Ciudad de Mendoza; Remote; ARS 92,724,000 - 185,448,000; Full time

Benefits offered by this job

Contractor agreement

USD payments

100% remote work

Argentine public holidays

Professional development

Job summary

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech platform. You’ll build its Digital Wallet UI with React/TypeScript, delivering production-ready features and collaborating across product and design teams.

This contractor role emphasizes AI-assisted development, end-to-end ownership, and strong UX guidance, within a remote, international team. Prior fintech experience is highly valued.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech apps, digital wallets, or payments.
• Solid understanding of UX principles and accessibility.

Responsibilities

• Design, develop, and maintain high‑quality UIs for a Digital Wallet.
• Translate UX/UI designs into functional, responsive apps.
• Collaborate with product and design to improve usability.
• Own features end to end from requirements to delivery.
• Use AI-assisted tools to speed frontend and full‑stack work.
• Build and maintain BFF services that support app needs.
• Implement API integrations and supporting backend functionality.
• Ensure performance, accessibility, and maintainability.

Skills

React

TypeScript

JavaScript

UI/UX

Frontend architecture

Tools

REST APIs

Design systems

Job description

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech platform. You’ll build its Digital Wallet UI with React/TypeScript, delivering production-ready features and collaborating across product and design teams.

This contractor role emphasizes AI-assisted development, end-to-end ownership, and strong UX guidance, within a remote, international team. Prior fintech experience is highly valued.