Fullstack Frontend Engineer

Resilientco

Argentina Remote contract

Posted: May 5, 2026

Required Skills

Job Description

Summary

We are hiring Senior Fullstack Frontend Engineers to join a team that maintains and evolves a leading global platform for APIs and developer documentation. This frontend-heavy full stack role offers ownership of user-facing interfaces and the supporting backend services for a high-traffic documentation product used by one of the world's top digital payment companies and its affiliates.

This is an opportunity to build responsive, production-grade web applications with JavaScript, React, and Next.js, contribute to AI-assisted documentation initiatives, and help migrate affiliate content and workflows into a new unified web application.

Responsibilities

Design and build responsive, high-quality user interfaces using JavaScript, React and Next.js

Develop and maintain backend APIs and core services with Node.js to support the frontend

Implement features for a global developer documentation platform and migrate affiliate content into the new application

Collaborate with product, design, and engineering teams to define and deliver production-ready features

Contribute to AI-assisted technical documentation features and integrate them into the UI

Write clean, testable, and maintainable code and participate in thorough code reviews

Ensure applications support multilingual and region-aware workflows

Troubleshoot and resolve production issues related to UI and supporting services

What you’ll work on- A global developer documentation platform

AI-assisted documentation features

A new web application used by customer’s subsidiaries

Requirements

6+ years of professional software engineering experience, with significant frontend focus

Strong experience with JavaScript

Strong experience with React

Strong experience with Next.js

Strong experience with Node.js for backend/API development

Demonstrated full stack development experience with an emphasis on frontend ownership

Experience building user-facing web applications at scale

Experience working with documentation platforms, content systems, or complex web products

Comfortable designing and implementing multilingual and region-aware application features

Strong communication and collaboration skills; experience working cross-functionally

Differentials

Experience with AI-assisted content tools

Experience working in large, multi-engineer product teams

Selection Process:

• Meeting Gime from Resilient Co. team.

• Client technical interview with code challenge

• Final Client Interview

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