Senior Frontend Engineer - Fintech Wallets (Remote)

Motorolasolutions; Ciudad de Mendoza; Remote; ARS 138,361,000 - 215,229,000; Full time

Benefits offered by this job

USD contractor pay

Remote work internationally

Argentine holidays

Observability modernization

Professional development

Job summary

Tether is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech effort focused on a Digital Wallet. You will build polished UI with React/JS/TS, translate designs into production code, and collaborate across product and design teams to enhance usability.

The role emphasizes AI-assisted development, end-to-end feature ownership, and remote work from LATAM, with opportunities to contribute to Keet and Pear platforms in a modern fintech stack.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Solid understanding of UX principles and user-centered development.
• Proven ability to deliver polished, production-ready interfaces.

Responsibilities

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

Skills

React

JavaScript

TypeScript

UX principles

UI development

Figma

AI tools

REST APIs

Agile

Tools

Node.js

Job description

Tether is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech effort focused on a Digital Wallet. You will build polished UI with React/JS/TS, translate designs into production code, and collaborate across product and design teams to enhance usability.

The role emphasizes AI-assisted development, end-to-end feature ownership, and remote work from LATAM, with opportunities to contribute to Keet and Pear platforms in a modern fintech stack.