Senior Frontend & UX Engineer — AI-Driven Fintech (Remote)

Fullstack; La Pampa; Remote; ARS 127,737,000 - 255,474,000; Full time

Benefits offered by this job

Contractor agreement with payment in U

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fintech-focused team building a Digital Wallet for cross-border payments. This fully remote LATAM contractor role emphasizes frontend-first delivery and AI-assisted development for end-to-end features.

You’ll transform UX/UI designs into scalable, production-ready interfaces, while integrating with backend services and BFF layers. Strong fintech experience and a user-centered mindset are key.

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.
• Proven track record of building polished, production-ready user interfaces.
• Experience turning Figma designs into working applications.
• Practical experience with AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot.

Responsibilities

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

Skills

React

JavaScript

TypeScript

Fintech UX

AI-assisted coding

REST APIs

Agile

BFF architectures

UX design principles

Cross-border payments

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fintech-focused team building a Digital Wallet for cross-border payments. This fully remote LATAM contractor role emphasizes frontend-first delivery and AI-assisted development for end-to-end features.

You’ll transform UX/UI designs into scalable, production-ready interfaces, while integrating with backend services and BFF layers. Strong fintech experience and a user-centered mindset are key.