---
title: "Node.js Runtime Protection… at cloudlinux-1 – Madrid, Spain"
canonical: "https://www.metaintro.com/job/node-js-runtime-protection-engineer-at-cloudlinux-1-0e09bd34-7e42-586a-88f3-4f340772592b"
language: "en"
author: "Metaintro"
---

[/company/cloudlinux-1](/company/cloudlinux-1)[cloudlinux-1](/company/cloudlinux-1)
# Node.js Runtime Protection Engineer at cloudlinux-1

LanguageEnglish
Español

**Setup**
: Remote

**Location**
: Madrid, Community of Madrid

**Type**
: Full-time

**Posted**
: Jun 24, 2026

## Description

CloudLinux is hiring an experienced researcher or engineer to build a brand-new runtime protection product for Node.js, focused on defending managed-hosting web applications at runtime without breaking legitimate code. The role owns the product direction end to end, including research, architecture, implementation, detection methodology, and quality assurance, while leveraging CloudLinux’s existing threat intelligence stack. Success is measured by runtime overhead, false positives, false negatives, and customer-escalation volume. The position is fully remote and includes benefits such as paid vacation, private medical insurance reimbursement, and education budget.

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