Remote Senior Frontend Engineer - AI-Driven Fintech Wallet

Intuition Machines, Inc.; Tandil; Remote; ARS 139,086,000 - 185,448,000; Full time

Benefits offered by this job

Contractor agreement with payment in $

100% remote work

Argentine public holidays access

Observability modernization project

Professional development resources

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments and a digital wallet.

This contractor role is remote across Latin America. You will build production-ready UI, translate designs into features, and collaborate with product and design teams.

You should excel with React, JavaScript, TypeScript, and have experience with fintech or wallet apps. AI-assisted coding tools and BFF architecture are a plus.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications or digital wallets.
• Solid understanding of UX principles and user-centered development.
• Ability to translate Figma designs into functional interfaces.

Responsibilities

• Design, develop, and maintain high-quality UI for a Digital Wallet.
• Translate UX/UI designs and product requirements into functional 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 tools to speed up frontend and full-stack development.
• Build and maintain backend-for-frontend services supporting app requirements.
• Implement API integrations and supporting backend functionality when needed.
• Ensure consistency, performance, accessibility, and maintainability.

Skills

React

JavaScript

TypeScript

Fintech apps

Digital wallets

UX principles

Figma designs

AI-assisted coding

REST APIs

BFF architectures

Frontend architecture

State management

Agile

Communication

Independent execution

Tools

Node.js

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments and a digital wallet.

This contractor role is remote across Latin America. You will build production-ready UI, translate designs into features, and collaborate with product and design teams.

You should excel with React, JavaScript, TypeScript, and have experience with fintech or wallet apps. AI-assisted coding tools and BFF architecture are a plus.