Senior Frontend Engineer – AI-Driven Fintech (Remote)

Fullstack; Municipio de Rincón de los Sauces; Remote; ARS 127,071,000 - 254,142,000; Full time

Benefits offered by this job

Contractor paid in USD

100% remote work (international)

Argentine holidays access

Observability modernization project

Professional development & referrals

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join as an AI-driven full stack contractor. You will craft high-quality, production-ready UI for a Digital Wallet, turning UX/UI designs into scalable features and collaborating across product, design, and engineering teams.

You will apply AI-assisted coding tools to accelerate development, contribute to backend-for-frontend services, and ensure robust performance, accessibility, and security in a distributed, remote team environment.

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 track record delivering polished, production-ready UI.
• Experience turning Figma designs into working apps.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for Digital Wallets.
• Translate UX designs into functional, responsive applications.
• 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 work.
• Build and maintain BFF services to support app 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 development workflows with AI-assisted engineering.

Skills

React

JavaScript

TypeScript

fintech UI

UX principles

production-quality UI

Figma to code

AI-assisted coding tools

REST APIs

Agile

communication

distributed/remote teamwork

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join as an AI-driven full stack contractor. You will craft high-quality, production-ready UI for a Digital Wallet, turning UX/UI designs into scalable features and collaborating across product, design, and engineering teams.

You will apply AI-assisted coding tools to accelerate development, contribute to backend-for-frontend services, and ensure robust performance, accessibility, and security in a distributed, remote team environment.