Senior Frontend Engineer – AI‑Driven Fintech Wallets (Remote)

Imachines; La Pampa; Remote; ARS 127,071,000 - 190,607,000; Full time

Benefits offered by this job

Contractor agreement with payment in 1

100% remote work in international LAT

Argentina holidays access

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast‑growing US fintech company building a Digital Wallet for cross‑border payments. This is a remote LATAM role, contractor/full‑time, leveraging AI‑assisted tools to deliver production‑ready frontend features and ensure strong UX.

You will turn Figma designs into responsive interfaces, own features end‑to‑end, collaborate with product and design, build BFF services as needed, and continuously improve performance, accessibility, and

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.
• Proven track record of building polished, production-ready user interfaces.
• Experience turning UX designs into working applications.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs and requirements into functional, responsive applications.
• Collaborate with product and design to improve user journeys and usability.
• Own features end to end from requirements through delivery.
• Use AI-powered tools to speed up frontend and full-stack development.
• Build and maintain BFF services to support application requirements.
• Implement API integrations and supporting backend functionality when needed.
• Ensure performance, accessibility, and maintainability across the app.
• Participate in code reviews and improve development practices.
• Find ways to simplify development workflows through AI-assisted engineering.

Skills

React

JavaScript

TypeScript

Fintech

Digital wallets

UX principles

AI-assisted coding tools

REST APIs

Agile

Communication

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast‑growing US fintech company building a Digital Wallet for cross‑border payments. This is a remote LATAM role, contractor/full‑time, leveraging AI‑assisted tools to deliver production‑ready frontend features and ensure strong UX.

You will turn Figma designs into responsive interfaces, own features end‑to‑end, collaborate with product and design, build BFF services as needed, and continuously improve performance, accessibility, and