Remote Senior Frontend Engineer – Fintech UX & AI Tools

Imachines; Municipio de Rincón de los Sauces; Remote; ARS 120,727,000 - 189,714,000; Full time

Benefits offered by this job

USD payment

100% remote work

Argentine public holidays access

Observability modernization

Professional development

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 remote LATAM contractor role emphasizes frontend-first development with AI-assisted tooling to extend the stack across BFF services and integrations.

You will translate designs into production-ready features, collaborate with product and design, and own end-to-end delivery while balancing user experience, code quality, and speed in a fast-growing environment.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech apps, digital wallets, or payment platforms.
• Solid understanding of UX principles, usability, and user-centered development.
• Proven track record of production-ready UI implementations.
• Experience translating Figma designs into working apps.
• Experience with AI-assisted coding tools such as Cursor, Claude Code, or Copilot.
• Ability to deliver features across frontend and backend boundaries.
• Experience with REST APIs and BFF architectures.
• Strong frontend architecture and reusable components knowledge.
• Experience in Agile product development.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs and requirements into functional 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 frontend and full-stack development.
• Build and maintain Backend for Frontend services supporting requirements.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.
• Explore AI-assisted engineering to simplify workflows.

Skills

React

JavaScript

TypeScript

UX principles

Frontend architecture

State management

Agile

Communication

Independent execution

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 remote LATAM contractor role emphasizes frontend-first development with AI-assisted tooling to extend the stack across BFF services and integrations.

You will translate designs into production-ready features, collaborate with product and design, and own end-to-end delivery while balancing user experience, code quality, and speed in a fast-growing environment.