Remote Senior Frontend & UX Engineer - AI-Driven Fintech

Devconnectplatform; Municipio de Rincón de los Sauces; Remote; ARS 155,220,000 - 258,701,000; Full time

Benefits offered by this job

Contractor agreement with USD payment

100% remote in international setting

Argentine holidays access

Observability modernization project

Professional development & referrals

Job summary

Darwoft seeks a Senior Frontend / UX Engineer to help build a AI-driven Digital Wallet for cross-border payments. The role is remote in LATAM and focuses on frontend-first delivery, turning UX/UI designs into production-ready wallet features.

You will leverage AI tooling and contribute across backend for frontend services when needed. You will collaborate with product and design teams to enhance user journeys, ensure accessibility and performance, and deliver complete features across frontend

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.
• A 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, 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.
• Strong communication, problem-solving, and independent execution skills.
• Comfort working hands-on with production code.

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, interactions, and overall usability.
• Own features end to end, from initial 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

UX principles

Production UI

Figma to code

AI-assisted coding

REST APIs

BFF architectures

Frontend architecture

Agile

Communication

Production code

Tools

Cursor

Claude Code

GitHub Copilot

Job description

Darwoft seeks a Senior Frontend / UX Engineer to help build a AI-driven Digital Wallet for cross-border payments. The role is remote in LATAM and focuses on frontend-first delivery, turning UX/UI designs into production-ready wallet features.

You will leverage AI tooling and contribute across backend for frontend services when needed. You will collaborate with product and design teams to enhance user journeys, ensure accessibility and performance, and deliver complete features across frontend