Senior Frontend/UX Engineer - AI Fintech Wallet (Remote)

BetWarrior; Rosario; Remote; ARS 120,727,000 - 189,714,000; Full time

Benefits offered by this job

USD payment

Remote work

Argentine public holidays

Observability upgrade

Professional development

Referral programs

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast‑growing fintech environment focused on a cross‑border digital wallet. You will build polished, production‑ready UIs, turn design specs into responsive features, and collaborate across product and design teams to enhance user journeys.

The role emphasizes AI‑assisted coding, frontend/backend collaboration, and delivering complete features in a remote LATAM setting.

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, usability, interaction design, 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 such as Cursor, Claude Code, GitHub Copilot, or similar.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third‑party integrations, and Backend for Frontend (BFF) architectures.
• Strong understanding of frontend architecture, reusable components, and state management.
• Experience working in Agile product development environments.

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 and usability.
• Own features end to end, from 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

UI/UX design

APIs REST

Agile

AI-assisted coding tools

Tools

REST APIs

Node.js

AI coding tools

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast‑growing fintech environment focused on a cross‑border digital wallet. You will build polished, production‑ready UIs, turn design specs into responsive features, and collaborate across product and design teams to enhance user journeys.

The role emphasizes AI‑assisted coding, frontend/backend collaboration, and delivering complete features in a remote LATAM setting.