Senior Frontend / UX Engineer — AI Fintech Wallet

Hiberus; La Pampa; Remote; ARS 120,727,000 - 172,467,000; Full time

Benefits offered by this job

Remote work

Argentine public holidays

Professional development

Observability modernization project

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast‑growing fintech environment building a Digital Wallet. You will craft production‑ready UI, translate UX designs into features, and own front‑end delivery end-to-end.

You will leverage AI-assisted coding tools to accelerate development and may work on BFF services and API integrations, contributing to a scalable, secure digital wallet product.

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, and user-centered development.
• Proven track record of building polished, production-ready user interfaces.
• Experience turning design specs into working applications.
• Practical experience with AI-assisted coding tools (Cursor, Claude Code, GitHub Copilot).
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and 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, responsive applications.
• Collaborate with product and design teams to improve user journeys and usability.
• Own features end-to-end, from requirements through delivery.
• Use AI-powered tools to speed up frontend and full-stack development.
• Build and maintain BFF services that support application requirements.
• Implement API integrations and supporting backend functionality when needed.
• Ensure performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.
• Find ways to simplify development workflows through AI-assisted engineering.

Skills

React

JavaScript

TypeScript

Fintech

UX principles

REST APIs

BFF architectures

Agile

Communication

AI-assisted coding

Tools

Node.js

GitHub Copilot

Cursor

Claude Code

Design systems

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast‑growing fintech environment building a Digital Wallet. You will craft production‑ready UI, translate UX designs into features, and own front‑end delivery end-to-end.

You will leverage AI-assisted coding tools to accelerate development and may work on BFF services and API integrations, contributing to a scalable, secure digital wallet product.