Senior React/TypeScript Full-Stack Engineer (Remote)

Jobcubby; Ciudad de Mendoza; Remote; ARS 103,480,000 - 172,467,000; Full time

Benefits offered by this job

USD payment

100% remote

Argentine public holidays

Observability modernization project

Professional development

Job summary

Darwoft seeks a Senior Frontend / UX Engineer to build a Digital Wallet frontend for a US fintech client, focusing on cross-border payments and user-centric design. You will transform UX/UI designs into production-ready features and leverage AI tools to extend capabilities across the stack.

The role emphasizes delivering complete features from frontend to backend boundaries, collaborating with design and product teams, and contributing to observability improvements in a high-growth fintech

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Experience turning UX/UI designs into working applications.
• Practical AI-assisted coding tools experience.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, third-party integrations, and BFF architectures.
• Strong frontend architecture, reusable components, and state management.
• Experience in Agile product development.
• Strong communication 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 requirements into functional, intuitive apps.
• Collaborate with product and design to improve user journeys and usability.
• Own features end to end from requirements to delivery.
• Use AI-powered tools to speed frontend and full-stack development.
• Build and maintain BFF services that support app needs.
• Implement API integrations and backend functionality when needed.
• Ensure performance, accessibility, and maintainability across the app.
• Contribute to code reviews and development practice improvements.
• Explore AI-assisted engineering to simplify workflows.

Skills

React

JavaScript

TypeScript

Fintech UX

UX design

Figma to code

AI-assisted coding

REST APIs

BFF architectures

Agile

Communication

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

Job description

Darwoft seeks a Senior Frontend / UX Engineer to build a Digital Wallet frontend for a US fintech client, focusing on cross-border payments and user-centric design. You will transform UX/UI designs into production-ready features and leverage AI tools to extend capabilities across the stack.

The role emphasizes delivering complete features from frontend to backend boundaries, collaborating with design and product teams, and contributing to observability improvements in a high-growth fintech