Senior Frontend Engineer - AI-Driven Digital Wallet (Remote)

Encora10; Buenos Aires; Remote; ARS 105,893,000 - 180,018,000; Full time

Benefits offered by this job

Contractor agreement with payment in 1

100% remote work in an international

Access to Argentine public holidays

Direct involvement in modernizing core

Professional development, learning and

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focusing on cross-border payments and a Digital Wallet for the Latino community in the United States.

This frontend-first role emphasizes turning requirements and UX/UI designs into scalable wallet features with AI-assisted tooling. The position involves building intuitive, production-ready interfaces, collaborating with product and design teams, and extending the stack with BFF services when needed.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech apps, digital wallets, or payments.
• Understanding of UX principles and user-centered design.
• Proven track record of production-ready UIs.
• Ability to translate Figma designs into working apps.
• Experience with AI-assisted coding tools such as Cursor, Claude Code, or GitHub Copilot.
• Ability to deliver features across frontend and backend.
• Experience with REST APIs and BFF architectures.
• Strong frontend architecture, reusable components, and state management.
• Experience in Agile product development.
• Strong communication and independent execution.
• Comfort coding in production code.

Responsibilities

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

Skills

React

JavaScript

TypeScript

Fintech experience

Digital wallets

UX design

Figma to code

AI-assisted coding

REST APIs

BFF architecture

Agile

Communication

Production code

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focusing on cross-border payments and a Digital Wallet for the Latino community in the United States.

This frontend-first role emphasizes turning requirements and UX/UI designs into scalable wallet features with AI-assisted tooling. The position involves building intuitive, production-ready interfaces, collaborating with product and design teams, and extending the stack with BFF services when needed.