Remote Senior Frontend & UX Engineer – AI Fintech

Fullstack; Tandil; A distancia; ARS 139.086.000 - 185.448.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Contractor agreement with payment in U

100% remote work

Argentine public holidays

Observability modernization project

Professional development programs

Descripción de la vacante

Fullstack is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech platform focused on cross-border wallet features. You will deliver polished, production-ready UIs for a digital wallet, leveraging React, TypeScript, and modern frontend patterns.

You will work remotely in LATAM, collaborating with global teams, using AI-assisted tooling to accelerate development and improve user experiences.

Formación

• Proven experience building fintech UIs or digital wallets.
• Strong portfolio of production-ready interfaces.
• Experience turning designs into high-quality frontends.
• Familiarity with AI-assisted coding tools is a plus.

Responsabilidades

• 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 teams to improve journeys and usability.
• Own features end to end from requirements to delivery.
• Use AI-powered tools to speed frontend and full-stack development.
• Build and maintain BFF services supporting application needs.
• Ensure performance, accessibility, and maintainability.
• Participate in code reviews and improve development practices.
• Find ways to simplify workflows with AI-assisted engineering.

Conocimientos

React

JavaScript

TypeScript

Frontend architecture

Agile

Herramientas

GitHub Copilot

Cursor

REST APIs

Node.js

Descripción del empleo

Fullstack is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech platform focused on cross-border wallet features. You will deliver polished, production-ready UIs for a digital wallet, leveraging React, TypeScript, and modern frontend patterns.

You will work remotely in LATAM, collaborating with global teams, using AI-assisted tooling to accelerate development and improve user experiences.