Senior React/TypeScript Frontend Engineer — Fintech, Remote

Epam Systems Inc; Ciudad de Mendoza; Remote; ARS 86,234,000 - 155,220,000; Full time

Benefits offered by this job

Contractor payment in USD

100% remote work

Flexible time zones

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a U.S. fintech project focused on a cross-border Digital Wallet. You will build production-ready UI using React/TypeScript, turning UX designs into scalable features and collaborating across product and design teams.

You will work remotely from Latin America with a contractor arrangement, leveraging AI tools to accelerate development and deliver end-to-end features across frontend and backend boundaries.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications or digital wallets.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and Backend for Frontend (BFF) architectures.
• Experience working in Agile product development environments.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional applications.
• Collaborate with product and design teams to improve user journeys.
• Own features end to end from requirements to delivery.
• Use AI-powered tools to speed up frontend and full-stack development.
• Build/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 with AI-assisted engineering.

Skills

React

JavaScript

TypeScript

Fintech apps

UX principles

AI-assisted coding tools

REST APIs

Agile

Tools

Cursor AI

Claude Code

GitHub Copilot

Electron/TAURI (nice-to-have)

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a U.S. fintech project focused on a cross-border Digital Wallet. You will build production-ready UI using React/TypeScript, turning UX designs into scalable features and collaborating across product and design teams.

You will work remotely from Latin America with a contractor arrangement, leveraging AI tools to accelerate development and deliver end-to-end features across frontend and backend boundaries.