Senior Frontend/UX Engineer – Fintech Wallet (Remote)

FusionHit; Rosario; Remote; ARS 127,737,000 - 234,184,000; Full time

Benefits offered by this job

USD contractor payment

100% remote work

Argentine public holidays

Observability modernization for core平台

Professional development

Referral programs

Job summary

Darwoft is seeking a Senior Frontend/UX Engineer to join a fast-growing fintech-focused team. You will build a Digital Wallet frontend, turning UX/UI designs into scalable, production-ready features while supporting backend for frontend services.

This is a contractor role, 100% remote, with an international setting. You’ll collaborate across disciplines, leverage AI-enabled tooling, and help shape secure, high-performance user experiences for global users.

Qualifications

• Strong hands-on experience with React, JavaScript and TypeScript.
• Proven ability to build fintech-related user interfaces.
• Solid UX/UI understanding and production-grade frontend delivery.

Responsibilities

• Design, develop, and maintain high-quality UI for a Digital Wallet.
• Translate requirements into functional, responsive apps.
• Collaborate with product and design teams to improve journeys.
• Own features end-to-end from requirements to delivery.
• Use AI-powered tools to accelerate frontend and full-stack work.
• Build and maintain BFF services supporting app needs.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability.
• Contribute to code reviews and development best practices.
• Find ways to simplify workflows with AI-assisted engineering.

Skills

React

JavaScript

TypeScript

UX principles

UI/UX design

REST APIs

AI-assisted coding

Agile

Tools

Electron

WebRTC

Job description

Darwoft is seeking a Senior Frontend/UX Engineer to join a fast-growing fintech-focused team. You will build a Digital Wallet frontend, turning UX/UI designs into scalable, production-ready features while supporting backend for frontend services.

This is a contractor role, 100% remote, with an international setting. You’ll collaborate across disciplines, leverage AI-enabled tooling, and help shape secure, high-performance user experiences for global users.