Remote Frontend Engineer – Fintech Wallet & AI Tools

CookUnity; Municipio de Rincón de los Sauces; Remote; ARS 106,660,000 - 181,322,000; Full time

Benefits offered by this job

Payment in USD

Remote work (LATAM)

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 builds a Digital Wallet and AI‑driven development workflows.

You will translate UX designs into responsive, production‑ready features, owning frontend tasks end‑to‑end and collaborating with product and design teams to improve user journeys. This contractor role offers 100% remote work in LATAM, USD payments, and opportunities to modernize core platform observability while delivering robust,

Qualifications

• Proven experience building fintech user interfaces.
• Ability to translate UX/UI designs into production‑ready code.
• Experience turning requirements into polished, scalable UI/UX implementations.

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 tools to speed frontend and full‑stack development.
• Build and maintain BFF services to support app requirements.
• Implement API integrations and backend support when needed.
• Ensure performance, accessibility, and maintainability of the app.
• Participate in code reviews and improve development practices.
• Identify ways to simplify development workflows with AI assistance.

Skills

React

JavaScript

TypeScript

Fintech UI

UX principles

Figma designs

AI‑assisted coding tools

REST APIs

Agile

Communication

Independent execution

Production code

Tools

Node.js

Electron

GitHub Copilot

BFF architectures

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast‑growing U.S. fintech company that builds a Digital Wallet and AI‑driven development workflows.

You will translate UX designs into responsive, production‑ready features, owning frontend tasks end‑to‑end and collaborating with product and design teams to improve user journeys. This contractor role offers 100% remote work in LATAM, USD payments, and opportunities to modernize core platform observability while delivering robust,