Senior Frontend Engineer: AI-Driven Fintech Wallet (Remote)

Imachines; Rosario; Remote; ARS 127,737,000 - 191,605,000; Full time

Benefits offered by this job

USD contractor payment

Remote work

Argentine holidays

Observability modernization

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.

You will build the Digital Wallet frontend, turning requirements and UX/UI designs into scalable wallet features, while leveraging AI-powered tooling to extend capabilities across the stack. This contractor role emphasizes delivering complete features across frontend and backend boundaries, with an emphasis on performance, accessibility, and user-centric design for a

Qualifications

• Strong experience turning UX/UI designs into production-ready interfaces.
• Proven fintech UI experience and digital wallet knowledge.
• Experience with AI-assisted coding tools.
• Ability to deliver full features across frontend and backend boundaries.
• Excellent communication and autonomous work style.
• Experience with REST APIs and BFF architectures.
• Familiar with Agile product development.

Responsibilities

• Design, develop, and maintain high-quality Digital Wallet UIs.
• Translate UX/UI designs into responsive, accessible applications.
• Collaborate with product and design teams to improve journeys, interactions, and 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

Fintech

UX principles

Figma designs

AI-assisted coding tools

REST APIs

BFF architectures

Agile

Communication

Tools

Cursor

Claude Code

GitHub Copilot

Job description

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

You will build the Digital Wallet frontend, turning requirements and UX/UI designs into scalable wallet features, while leveraging AI-powered tooling to extend capabilities across the stack. This contractor role emphasizes delivering complete features across frontend and backend boundaries, with an emphasis on performance, accessibility, and user-centric design for a