Security Engineer – Staff Engineer

Job not on LinkedIn

🔥 12 hours ago

🌐 Poland, United Arab Emirates (UAE), +4 more countries – Remote

🇵🇱 Poland – Remote 🇦🇪 United Arab Emirates (UAE) – Remote 🇧🇷 Brazil – Remote 🇦🇷 Argentina – Remote 🇪🇸 Spain – Remote 🇷🇸 Serbia – Remote

💵 $12k / month

⏰ Full Time

🔴 Lead

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 6%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Alex Staff Agency

WebsiteLinkedInAll Job Openings

11 - 50 employees

🎯 Recruiter

🤝 B2B

Recruitment • B2B

Alex Staff Agency is a recruitment agency specializing in connecting IT professionals with companies around the globe. The agency offers a variety of services including career counseling for candidates, helping them find job opportunities in countries they love, and assisting employers in hiring skilled talent. With over 20 years of experience in the field, Alex Staff Agency has built a broad network across more than 150 markets, facilitating successful relocations and onboarding for numerous candidates. The agency prides itself on supporting candidates throughout the hiring process and beyond, offering guidance and expertise every step of the way.

📋 Description

• Define the technical approach for runtime protection inside the Node.js process • Design detection logic to identify and block attacks during application execution • Build and launch the first product version in real production environments • Ensure protection works without changes to client code and without breaking legitimate applications • Continuously improve the product using telemetry, production feedback, and real-world incidents • Achieve target values for runtime overhead, false positives, false negatives, and customer escalation volume • Single-handedly create a runtime protection layer for Node.js applications • Make key architectural decisions and take full responsibility for the outcome

🎯 Requirements

• Experience in Security Engineering or Security Research, with deep understanding of attack vectors and defense methods • Independently built and shipped a product or solution from scratch, end-to-end from idea to production • Ability to define a solution for an ambiguous problem and deliver without constant supervision • Experience designing architecture and making key technical decisions • Intermediate or higher English, written and spoken; all interviews are conducted in English • Node.js security experience is nice to have • Production and development experience with Linux is nice to have • Knowledge of Runtime Protection, WAF, instrumentation, malware analysis, and Incident Response is nice to have • Experience in managed hosting or VPS domains is nice to have • Experience with AI coding agents such as Copilot or Cursor is nice to have • Security Engineer or Researcher candidates who do not code daily must be comfortable using AI-assisted development tools and capable of building an MVP with their help • Builder mindset and enjoyment of creating and running products in production • High ownership and ability to define the approach and own results • Ability to write code personally or with AI • Understanding of Detection Engineering and the operational cost of false positives • Candidates must not have only theoretical or research experience without shipping real products • Candidates must have a security component to their experience; general Node.js experience alone is insufficient • Candidates must not reside in countries with complex B2B tax reporting requirements, including USA, UK, Canada, Germany, France, and others to be clarified during screening • Candidates must not have frequent job changes every 1–2 years without valid reasons

🏖️ Benefits

• 100% remote work anywhere in the world • B2B contract with your sole proprietorship or company • Budget up to $12,000 gross/month before taxes under a B2B agreement • Stable, established international product company with 15+ years in the market • Key position building a new product line from the ground up