Senior Frontend / UX Engineer - AI-Driven Fintech (Remote)

Fullstack; Municipio de Rincón de los Sauces; Remote; ARS 68,987,000 - 155,220,000; Full time

Benefits offered by this job

Contractor USD payments

100% remote work

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing LATAM fintech project as a full-time contractor. You will build a Digital Wallet interface and related P2P features using React and TypeScript, collaborating with product and design teams to turn UX requirements into scalable, production-ready code.

You will leverage AI-assisted coding tools and contribute across frontend and backend boundaries, ensuring performance, accessibility, and a strong user experience for

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payments platforms.
• Solid understanding of UX principles, usability, and user-centered development.
• Proven track record of building polished, production-ready interfaces.
• Ability to turn Figma designs into working apps and ship features end-to-end.
• Experience with REST APIs and Backend for Frontend (BFF) architectures.
• Experience delivering features in Agile product environments.
• Strong communication and independent execution skills.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate 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-assisted tools to speed up frontend and full-stack development.
• Build and maintain BFF services supporting app requirements.
• 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 through AI-assisted engineering.

Skills

React

JavaScript

TypeScript

Fintech experience

UX principles

End-to-end features

AI-assisted coding tools

REST APIs

Frontend architecture

Agile

Tools

Electron

Node.js

Design systems

WebRTC

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing LATAM fintech project as a full-time contractor. You will build a Digital Wallet interface and related P2P features using React and TypeScript, collaborating with product and design teams to turn UX requirements into scalable, production-ready code.

You will leverage AI-assisted coding tools and contribute across frontend and backend boundaries, ensuring performance, accessibility, and a strong user experience for