Senior Frontend & UX Engineer - AI-Driven Fintech Wallet

Epam Systems Inc; Municipio de Rincón de los Sauces; Remote; ARS 127,737,000 - 255,474,000; Full time

Benefits offered by this job

Contractor agreement with payment in U

100% remote work

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing US fintech company focused on a Digital Wallet. You will build production-ready user interfaces with React and TypeScript, collaborating with product and design teams to deliver intuitive, scalable features.

This remote LATAM position is a full-time contractor role. You’ll own features end-to-end, explore AI-assisted tooling, and contribute to BFF services and API integrations as needed.

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, interaction design, and user-centered development.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional, intuitive applications.
• Collaborate with product and design teams to improve user journeys and usability.
• Own features end-to-end, from requirements to delivery.
• Use AI-powered development tools to speed up frontend and full-stack work.
• Build and maintain Backend for Frontend (BFF) services to support app needs.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.

Skills

React

JavaScript

TypeScript

UX principles

UI/UX design

Frontend architecture

Agile

Code reviews

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing US fintech company focused on a Digital Wallet. You will build production-ready user interfaces with React and TypeScript, collaborating with product and design teams to deliver intuitive, scalable features.

This remote LATAM position is a full-time contractor role. You’ll own features end-to-end, explore AI-assisted tooling, and contribute to BFF services and API integrations as needed.