Senior React/TypeScript Frontend Engineer – Fintech Wallet

Epam Systems Inc; Municipio de Rincón de los Sauces; Remote; ARS 139,086,000 - 200,903,000; Full time

Benefits offered by this job

Contractor payment in USD

100% remote work

Argentine public holidays access

Observability modernization project

Job summary

Darwoft seeks a Senior Frontend / UX Engineer – AI-Driven Full Stack for a contractor role in LATAM. You will build the Digital Wallet frontend, apply UX/UI requirements, and leverage AI tools to extend both frontend and backend work.

Remote, independent contractor engagement with a fintech product studio. You’ll collaborate on modernizing core platform observability and deliver complete features with strong React/JS/TS skills, in a distributed team across time zones.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications or digital wallets is a plus.
• Solid understanding of UX principles and production-ready interfaces.
• Experience turning designs into working apps and REST API integrations.
• Familiarity with AI-assisted coding tools and Agile workflows.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional, responsive applications.
• Collaborate to improve user 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 and API integrations.
• Ensure performance, accessibility, and maintainability across the app.

Skills

React

JavaScript

TypeScript

Frontend development

REST APIs

Agile

UI design

Tools

Electron

TAURI

Design systems

Figma

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft seeks a Senior Frontend / UX Engineer – AI-Driven Full Stack for a contractor role in LATAM. You will build the Digital Wallet frontend, apply UX/UI requirements, and leverage AI tools to extend both frontend and backend work.

Remote, independent contractor engagement with a fintech product studio. You’ll collaborate on modernizing core platform observability and deliver complete features with strong React/JS/TS skills, in a distributed team across time zones.