Senior Frontend/UX Engineer – AI-Driven Fintech (Remote)

Devconnectplatform; Municipio de Rincón de los Sauces; Remote; ARS 139,086,000 - 200,903,000; Full time

Benefits offered by this job

USD payment

Remote work in international setting

Argentine public holidays access

Observability modernization project

Professional development

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments for the Latino community.

You will build the Digital Wallet frontend, turning requirements and designs into scalable features, with AI-assisted tools to extend reach across the stack. The role emphasizes delivering complete features, collaborating with design and product teams, and shaping user experiences while aligning with security and performance best practices.

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 interfaces.
• Experience turning Figma designs into working apps.
• Practical experience with AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot.
• Ability to deliver complete features across frontend and backend boundaries.
• Experience with REST APIs, and BFF architectures.
• Strong frontend architecture, reusable components, and state management.
• Experience in Agile product development; strong communication and independence.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional, responsive applications.
• Collaborate with product and design teams to improve 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 to support requirements.
• Implement API integrations and backend support 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

REST APIs

BFF architectures

AI-assisted coding

Agile

Frontend architecture

Tools

Cursor

Claude Code

GitHub Copilot

Node.js

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing U.S. fintech company focused on cross-border payments for the Latino community.

You will build the Digital Wallet frontend, turning requirements and designs into scalable features, with AI-assisted tools to extend reach across the stack. The role emphasizes delivering complete features, collaborating with design and product teams, and shaping user experiences while aligning with security and performance best practices.