Senior Frontend Engineer — AI‑Powered Fintech Wallet

BetWarrior; Municipio de Juan José Castelli; Remote; ARS 137,974,000 - 275,947,000; Full time

Benefits offered by this job

Remote work

USD payments

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 that is simplifying cross-border payments and digital wallet features. You will build intuitive, scalable UI components and turn UX designs into production-ready code.

This frontend-first role involves using AI-powered tools to extend into backend interactions, including BFF services and API integrations, delivering complete features in a globally distributed team.

Qualifications

• Must-have: strong React, JS, TS skills and fintech UI experience.
• Ability to translate UX designs into production-ready interfaces.
• Experience with AI-assisted coding tools for frontend development.

Responsibilities

• Design, develop, and maintain high-quality frontend UIs for a Digital Wallet.
• Translate requirements into functional, responsive applications.
• Collaborate with product and design to improve usability and journeys.
• Own features end-to-end from requirements to delivery.
• Leverage AI tools to speed frontend and full-stack work.
• Build and maintain BFF services and API integrations.
• Ensure performance, accessibility, and maintainability.

Skills

React

JavaScript

TypeScript

Fintech experience

UI/UX principles

Production-ready UI

Figma to code

AI-assisted coding

REST APIs

Frontend architecture

Agile

Communication

Independent execution

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 that is simplifying cross-border payments and digital wallet features. You will build intuitive, scalable UI components and turn UX designs into production-ready code.

This frontend-first role involves using AI-powered tools to extend into backend interactions, including BFF services and API integrations, delivering complete features in a globally distributed team.