Senior Frontend & UX Engineer - AI-Driven Fintech (Remote)

Encora Inc.; Ciudad de Mendoza; Remote; ARS 127,737,000 - 234,184,000; Full time

Benefits offered by this job

Contractor agreement with payment in

100% remote work in an international

Access to Argentine public holidays

Involvement in modernizing core observ

Job summary

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company building a Digital Wallet for cross-border payments. You will craft intuitive, production-ready wallet features with a frontend-first focus and extend capabilities via AI-powered tools across the stack.

You will translate designs into responsive apps, collaborate with design teams, and own features end-to-end while ensuring performance, accessibility, and quality. Remote LATAM role with USD payments.

Qualifications

• Strong hands-on React, JavaScript, and TypeScript experience.
• Experience with fintech apps, wallets, or payments.
• UX usability and user-centered development knowledge.
• Proven production-ready UI delivery.
• Experience translating Figma designs into apps.
• Familiar with AI-assisted coding tools.
• End-to-end feature delivery across frontend/backend edges.
• REST APIs and BFF architectures experience.
• Frontend architecture, components, and state management.
• Experience in Agile product teams.
• Strong communication and independent execution.
• Comfort with production code.

Responsibilities

• Design, develop, and maintain high-quality UIs for a Digital Wallet.
• Translate UX designs into functional, responsive apps.
• Collaborate with product and design to improve journeys and 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 tasks when needed.
• Ensure performance, accessibility, and maintainability.
• Participate in code reviews and improve practices.
• Identify AI-assisted improvements to development workflows.

Skills

React

JavaScript

TypeScript

Fintech experience

UX principles

Figma design implementation

AI-assisted coding tools

REST APIs

BFF architecture

Agile

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

Job description

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company building a Digital Wallet for cross-border payments. You will craft intuitive, production-ready wallet features with a frontend-first focus and extend capabilities via AI-powered tools across the stack.

You will translate designs into responsive apps, collaborate with design teams, and own features end-to-end while ensuring performance, accessibility, and quality. Remote LATAM role with USD payments.