Remote Senior Frontend Engineer – AI-Driven Fintech & P2P

CookUnity; Ciudad de Mendoza; Remote; ARS 149,026,000 - 255,474,000; Full time

Benefits offered by this job

Contract in USD

Remote work

Argentine holidays

Observability modernization

Professional development

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech ecosystem. You will build and maintain the Digital Wallet UI, turning UX/UI designs into polished features while supporting backend boundaries.

You will leverage React, TypeScript, and AI-assisted tools to deliver complete features, participate in code reviews, and work in an international, remote environment with strong communication skills and a focus on performance and accessibility.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payments.
• Solid understanding of UX concepts and user-centered development.
• Proven track record of production-ready UI
• Ability to translate designs into working apps and to work across frontend/back-end boundaries.
• Experience with AI-assisted coding tools and modern development workflows.

Responsibilities

• Design, develop, and maintain the Keet Desktop app built with React and Pear runtime.
• Turn UX/UI designs into functional, responsive features.
• Collaborate with product and design teams to improve journeys and usability.
• Own features end-to-end from requirements to delivery.
• Contribute to AI-assisted development and BFF services when needed.

Skills

React

JavaScript

TypeScript

UX principles

Frontend architecture

State management

Agile development

AI-assisted coding tools

Communication

Tools

REST APIs

BFF architectures

Electron/desktop runtimes

AI tools (Cursor/Claude/Copilot)

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing fintech ecosystem. You will build and maintain the Digital Wallet UI, turning UX/UI designs into polished features while supporting backend boundaries.

You will leverage React, TypeScript, and AI-assisted tools to deliver complete features, participate in code reviews, and work in an international, remote environment with strong communication skills and a focus on performance and accessibility.