Remote Senior Frontend Engineer - AI-Driven Fintech Wallet

Fullstack; Ciudad de Mendoza; Remote; ARS 92,241,000 - 184,482,000; Full time

Benefits offered by this job

USD payment

100% remote

Argentina holidays

Professional development

Observability modernization

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company building a Digital Wallet. You will craft polished UIs, translate designs into production-ready features, and collaborate across product and design teams to enhance user journeys.

The role emphasizes AI-assisted development, end-to-end ownership, and a remote, international work setup. You will work on frontend and backend boundaries, build reusable components, and engage in AGILE processes to deliver

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Experience turning UX/UI designs into working applications.
• Experience with REST APIs and Backend for Frontend (BFF) architectures.

Responsibilities

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

Skills

React

JavaScript

TypeScript

Fintech

UX principles

REST APIs

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company building a Digital Wallet. You will craft polished UIs, translate designs into production-ready features, and collaborate across product and design teams to enhance user journeys.

The role emphasizes AI-assisted development, end-to-end ownership, and a remote, international work setup. You will work on frontend and backend boundaries, build reusable components, and engage in AGILE processes to deliver