Remote Senior UX Engineer – AI-Driven Fintech Wallet

Devconnectplatform; Buenos Aires; Remote; ARS 120,727,000 - 189,714,000; Full time

Benefits offered by this job

USD payment

100% remote work

Argentine holidays access

Observability modernization project

Professional development & referral

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a US fintech project focused on a cross-border digital wallet. This frontend-first role emphasizes translating UX designs into scalable, production-ready wallet features and leveraging AI-powered tools to accelerate development across frontend and related backend services.

You will own features end-to-end, collaborate with product and design teams, ensure accessibility and performance, and contribute to BFF services and API integrations.

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, or GitHub Copilot.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and BFF architectures.
• Strong understanding of frontend architecture, reusable components, and state management.
• Experience working in Agile product development environments.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional, intuitive, and responsive applications.
• Collaborate with product and design teams to improve user journeys and usability.
• Own features end to end, from requirements through delivery.
• Use AI-powered development tools to speed up frontend and full-stack work.
• Build and maintain Backend for Frontend (BFF) services to support application needs.
• Implement API integrations and supporting backend functionality when needed.
• Ensure consistency, performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.
• Find ways to simplify development workflows through AI-assisted engineering.

Skills

React

JavaScript

TypeScript

UX/UI design

Figma

AI-assisted coding

REST APIs

BFF architectures

Agile

Communication

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a US fintech project focused on a cross-border digital wallet. This frontend-first role emphasizes translating UX designs into scalable, production-ready wallet features and leveraging AI-powered tools to accelerate development across frontend and related backend services.

You will own features end-to-end, collaborate with product and design teams, ensure accessibility and performance, and contribute to BFF services and API integrations.