Remote Senior Frontend Engineer - Fintech Wallet

CookUnity; Rosario; Remote; ARS 127,737,000 - 255,474,000; Full time

Benefits offered by this job

Contractor agreement with payment in $

100% remote work

Argentine public holidays

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech project in LATAM. You will build a Digital Wallet frontend, turning Figma designs into production-ready UI and collaborating across product and design teams.

This is a contractor role, remote across Latin America, with AI-assisted workflows and an emphasis on performance, accessibility, and code quality. You will own features end-to-end and contribute to cross-functional delivery.

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.
• Ability to translate UX/UI designs into production-ready interfaces.
• Experience with REST APIs and Backend for Frontend (BFF) architectures.
• Experience turning Figma designs into working applications.
• Familiarity with AI-assisted coding tools.
• Comfort working in a remote, distributed team.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional, responsive apps.
• Collaborate with product and design teams to improve journeys.
• Own features end to end from requirements to delivery.
• Use AI-powered tools to speed frontend and full-stack work.
• Build and maintain Backend for Frontend services.
• Ensure performance, accessibility, and maintainability.
• Participate in code reviews and improve practices.
• Find ways to simplify development workflows with AI.

Skills

React

JavaScript

TypeScript

Fintech apps

UX design

Figma-to-code

AI-assisted coding

REST APIs

Frontend architecture

Agile

Communication

Independent execution

Tools

React Native

Node.js

Design systems

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech project in LATAM. You will build a Digital Wallet frontend, turning Figma designs into production-ready UI and collaborating across product and design teams.

This is a contractor role, remote across Latin America, with AI-assisted workflows and an emphasis on performance, accessibility, and code quality. You will own features end-to-end and contribute to cross-functional delivery.