Remote Senior Frontend Engineer - Fintech Wallets & AI

Epam Systems Inc; Ciudad de Mendoza; Remote; ARS 63,868,000 - 127,737,000; Part time

Benefits offered by this job

Fully remote contractor role

USD payments

US time-zone overlap

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company. You will build its Digital Wallet frontend, turning UX designs into production-ready features and use AI-powered tools to extend your reach across the stack.

This is a frontend-first role with remote LATAM work, offering a contractor role that overlaps US time zones and focuses on delivering complete features end to end, including UI, API integration, and performance improvements.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.

Responsibilities

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

Skills

React

JavaScript

TypeScript

Frontend development

Fintech apps

Tools

Electron

Tauri

WebRTC

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company. You will build its Digital Wallet frontend, turning UX designs into production-ready features and use AI-powered tools to extend your reach across the stack.

This is a frontend-first role with remote LATAM work, offering a contractor role that overlaps US time zones and focuses on delivering complete features end to end, including UI, API integration, and performance improvements.