Remote Senior Frontend/UX Engineer — AI‑Driven Fintech

Bluelight; Rosario; Remote; ARS 92,724,000 - 185,448,000; Full time

Benefits offered by this job

Contractor agreement with payment in U

Remote work 100% in international LAT

Argentine public holidays

Observability modernization project

Professional development and learning

Job summary

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company, building a Digital Wallet and P2P features. You will translate designs into production ready UI, own features end-to-end, and work with AI-assisted tools to accelerate frontend and backend tasks.

This contractor role is fully remote in LATAM, with USD payments, and offers opportunities to collaborate across time zones, contribute to observability modernization, and grow in AI-driven development practices.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Ability to translate designs into production-ready UIs.
• Experience with AI-assisted coding tools.
• Experience with REST APIs and Backend-for-Frontend patterns.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional, responsive applications.
• Collaborate with product and design teams to improve journeys, interactions and usability.
• Own features end to end from requirements to delivery.
• Use AI-powered tools to speed up frontend and full-stack development.
• Build and maintain Backend-for-Frontend (BFF) services and API integrations.
• Ensure performance, accessibility, and maintainability across the application.
• Participate in code reviews and improve engineering practices.
• Find ways to simplify development workflows through AI-assisted engineering.

Skills

React

JavaScript

TypeScript

Fintech experience

Digital wallets

UX principles

REST APIs

BFF

Agile

AI-assisted coding tools

Tools

Electron

WebRTC

Job description

Darwoft seeks a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company, building a Digital Wallet and P2P features. You will translate designs into production ready UI, own features end-to-end, and work with AI-assisted tools to accelerate frontend and backend tasks.

This contractor role is fully remote in LATAM, with USD payments, and offers opportunities to collaborate across time zones, contribute to observability modernization, and grow in AI-driven development practices.