Remote Senior Frontend Engineer - Fintech Wallets

Fullstack; Tandil; Remote; ARS 103,480,000 - 172,467,000; Full time

Benefits offered by this job

Contractor agreement with payment in $

100% remote work in international set‑

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech project focused on cross-border digital wallet experiences. This is a contractor role delivering frontend features in a remote LATAM setup.

You will build polished, production-ready interfaces with React and TypeScript, translate UI designs into scalable components, and collaborate across product, design, and backend teams using AI-assisted development tools. The role demands strong communication and autonomy.

Qualifications

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

Fintech experience

UX principles

REST APIs

Agile

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech project focused on cross-border digital wallet experiences. This is a contractor role delivering frontend features in a remote LATAM setup.

You will build polished, production-ready interfaces with React and TypeScript, translate UI designs into scalable components, and collaborate across product, design, and backend teams using AI-assisted development tools. The role demands strong communication and autonomy.