Remote Frontend Engineer - Fintech Wallet & AI Tools

Cookunity; Rosario; Remote; ARS 84,714,000 - 190,607,000; Full time

Benefits offered by this job

USD payment

Remote work

Argentine public holidays

Observability modernization

Professional development

Job summary

Tether seeks a Senior Frontend / UX Engineer to join a fast-growing fintech effort building a Digital Wallet and AI-powered development flow. You will turn UX designs into scalable features, own end-to-end frontend and BFF work, and ensure robust, production-ready interfaces.

This remote LATAM contractor role offers USD payments, 100% remote collaboration, and opportunities to modernize platform observability and AI-assisted tooling for faster delivery.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payments.
• Solid understanding of UX/design and producing production-ready UIs.
• Ability to translate Figma or UI specs into working applications.
• Experience with AI-assisted coding tools is a plus.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs and product requirements into functional, intuitive apps.
• Collaborate with product and design to improve journeys, interactions, and usability.
• Own features end to end, from requirements through delivery.
• Use AI-powered tools to accelerate frontend and full-stack development.
• Build and maintain BFF services supporting application requirements.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability.
• Participate in code reviews and improve development practices.
• Seek ways to simplify workflows with AI-assisted engineering.

Skills

React

JavaScript

TypeScript

UX principles

Fintech experience

Production-ready UI

Figma to code

Tools

REST APIs

Backend for Frontend (BFF)

Cursor

Claude Code

GitHub Copilot

Electron

Job description

Tether seeks a Senior Frontend / UX Engineer to join a fast-growing fintech effort building a Digital Wallet and AI-powered development flow. You will turn UX designs into scalable features, own end-to-end frontend and BFF work, and ensure robust, production-ready interfaces.

This remote LATAM contractor role offers USD payments, 100% remote collaboration, and opportunities to modernize platform observability and AI-assisted tooling for faster delivery.